1297385 (number)
1,297,385 (one million two hundred ninetyseven thousand three hundred eightyfive) is an odd sevendigits composite number following 1297384 and preceding 1297386. In scientific notation, it is written as 1.297385 × 10^{6}. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 1,033,344 positive integers (up to 1297385) that are relatively prime to 1297385.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 7
 Sum of Digits 35
 Digital Root 8
Name
Short name  1 million 297 thousand 385 

Full name  one million two hundred ninetyseven thousand three hundred eightyfive 
Notation
Scientific notation  1.297385 × 10^{6} 

Engineering notation  1.297385 × 10^{6} 
Prime Factorization of 1297385
Prime Factorization 5 × 313 × 829
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  3  Total number of prime factors 
rad(n)  Radical  1297385  Product of the distinct prime numbers 
λ(n)  Liouville Lambda  1  Returns the parity of Ω(n), such that λ(n) = (1)^{Ω(n)} 
μ(n)  Mobius Mu  1  Returns:

Λ(n)  Mangoldt function  0  Returns log(p) if n is a power p^{k} of any prime p (for any k >= 1), else returns 0 
The prime factorization of 1,297,385 is 5 × 313 × 829. Since it has a total of 3 prime factors, 1,297,385 is a composite number.
Divisors of 1297385
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  1563720  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  266335  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  195465  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  1139.0280944735  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  6.6374286956744  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 1,297,385 can be divided by 8 positive divisors (out of which 0 are even, and 8 are odd). The sum of these divisors (counting 1,297,385) is 1,563,720, the average is 195,465.
Other Arithmetic Functions (n = 1297385)
φ(n)  Euler Totient  1033344  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  21528  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 99608  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  32  The number of ways n can be represented as the sum of 2 squares 
There are 1,033,344 positive integers (less than 1,297,385) that are coprime with 1,297,385. And there are approximately 99,608 prime numbers less than or equal to 1,297,385.
Divisibility of 1297385
m  2  3  4  5  6  7  8  9 

n mod m  1  2  1  0  5  5  1  8 
The number 1,297,385 is divisible by 5.
Classification of 1297385
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
 Sphenic
Base conversion (1297385)
Base  System  Value 

2  Binary  100111100101111101001 
3  Ternary  2102220200022 
4  Quaternary  10330233221 
5  Quinary  313004020 
6  Senary  43450225 
8  Octal  4745751 
10  Decimal  1297385 
12  Duodecimal  526975 
16  Hexadecimal  13cbe9 
20  Vigesimal  82395 
36  Base36  rt2h 
Basic calculations (n = 1297385)
Multiplication
n×yn×2  2594770 

n×3  3892155 
n×4  5189540 
n×5  6486925 
Division
n÷yn÷2  648692.500 

n÷3  432461.666 
n÷4  324346.250 
n÷5  259477.000 
Exponentiation
n^{y}n^{2}  1683207838225 

n^{3}  2183768601195541625 
n^{4}  2833188626662077771150625 
n^{5}  3675736426401979769124253615625 
Nth Root
^{y}√n^{2}√n  1139.0280944735 

^{3}√n  109.06605989152 
^{4}√n  33.749490284648 
^{5}√n  16.696051454597 
1297385 as geometric shapes
Circle
Radius = nDiameter  2594770 

Circumference  8151710.3697552 
Area  5287953379032.4 
Sphere
Radius = nVolume  9.147348526208E+18 

Surface area  21151813516130 
Circumference  8151710.3697552 
Square
Length = nPerimeter  5189540 

Area  1683207838225 
Diagonal  1834779.4626194 
Cube
Length = nSurface area  10099247029350 

Volume  2183768601195541625 
Space diagonal  2247136.7369777 
Equilateral Triangle
Length = nPerimeter  3892155 

Area  728850373875.97 
Altitude  1123568.3684889 
Triangular Pyramid
Length = nSurface area  2915401495503.9 

Volume  2.5735959774127E+17 
Height  1059310.4166469 
Cryptographic Hash Functions
md5  457651b7fb81edb33abcb872a392204f 

sha1  bc048c14cfb96c9c5f14ea2cbb8c28e89e716835 
sha256  3c9714ba17729e0ce8a1df7d525999c97309c4084ba98e2c913625bafcdfc219 
sha512  47805434ac0c5c542194b5685855e8765c6d17788e4417264f972493a78a7f9af46916c8cae7bf48296347584c26c567801b02dc3c5af38ec26cd40f6ceda3dd 
ripemd160  7f70ae98add6b528d1757f84b98e86930c258f30 