105391 (number)
105,391 (one hundred five thousand three hundred ninetyone) is an odd sixdigits composite number following 105390 and preceding 105392. In scientific notation, it is written as 1.05391 × 10^{5}. The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors. There are 87,120 positive integers (up to 105391) that are relatively prime to 105391.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 6
 Sum of Digits 19
 Digital Root 1
Name
Short name  105 thousand 391 

Full name  one hundred five thousand three hundred ninetyone 
Notation
Scientific notation  1.05391 × 10^{5} 

Engineering notation  105.391 × 10^{3} 
Prime Factorization of 105391
Prime Factorization 11^{2} × 13 × 67
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  4  Total number of prime factors 
rad(n)  Radical  9581  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  0  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 105,391 is 11^{2} × 13 × 67. Since it has a total of 4 prime factors, 105,391 is a composite number.
Divisors of 105391
12 divisors
τ(n)  Total Divisors  12  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  126616  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  21225  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  10551.333  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  324.63980039422  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  9.9884058886716  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 105,391 can be divided by 12 positive divisors (out of which 0 are even, and 12 are odd). The sum of these divisors (counting 105,391) is 126,616, the average is 105,51.,333.
Other Arithmetic Functions (n = 105391)
φ(n)  Euler Totient  87120  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  660  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 10029  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  0  The number of ways n can be represented as the sum of 2 squares 
There are 87,120 positive integers (less than 105,391) that are coprime with 105,391. And there are approximately 10,029 prime numbers less than or equal to 105,391.
Divisibility of 105391
m  2  3  4  5  6  7  8  9 

n mod m  1  1  3  1  1  6  7  1 
105,391 is not divisible by any number less than or equal to 9.
Classification of 105391
By Arithmetic functions
 Deficient
Expressible via specific sums
 Polite
Base conversion (105391)
Base  System  Value 

2  Binary  11001101110101111 
3  Ternary  12100120101 
4  Quaternary  121232233 
5  Quinary  11333031 
6  Senary  2131531 
8  Octal  315657 
10  Decimal  105391 
12  Duodecimal  50ba7 
16  Hexadecimal  19baf 
20  Vigesimal  d39b 
36  Base36  29bj 
Basic calculations (n = 105391)
Multiplication
n×yn×2  210782 

n×3  316173 
n×4  421564 
n×5  526955 
Division
n÷yn÷2  52695.500 

n÷3  35130.333 
n÷4  26347.750 
n÷5  21078.200 
Exponentiation
n^{y}n^{2}  11107262881 

n^{3}  1170605542291471 
n^{4}  123371288707640420161 
n^{5}  13002223488186931521187951 
Nth Root
^{y}√n^{2}√n  324.63980039422 

^{3}√n  47.235426577841 
^{4}√n  18.017763468151 
^{5}√n  10.105567448406 
105391 as geometric shapes
Circle
Radius = nDiameter  210782 

Circumference  662191.18270896 
Area  34894495468.44 
Sphere
Radius = nVolume  4.9034210292192E+15 

Surface area  139577981873.76 
Circumference  662191.18270896 
Square
Length = nPerimeter  421564 

Area  11107262881 
Diagonal  149045.38155206 
Cube
Length = nSurface area  66643577286 

Volume  1170605542291471 
Space diagonal  182542.56666049 
Equilateral Triangle
Length = nPerimeter  316173 

Area  4809585910.729 
Altitude  91271.283330246 
Triangular Pyramid
Length = nSurface area  19238343642.916 

Volume  1.3795718617481E+14 
Height  86051.391160554 
Cryptographic Hash Functions
md5  c43b520d07b8f6fcb4ad733c4db5ff78 

sha1  5dfb589702d871e960db51d786ab18a4af3f7be3 
sha256  662344b0357b45c795186cf7dc33cc049ae9773655b1a4113e232f1d76a9ce28 
sha512  8b3c7a3a810755a92c3213ee3d7898d8e73f2c1c0e9c1d971cee330b700c6dc990aa1e23b433966d9e096f6df97795309d258ab6cc72916a3c8b5adde65ff37c 
ripemd160  2cb48ee573ec146b24a93d0046049cc110ec0a56 