(1) + (000000000000000) = 1
If it's actually "1 followed by 15 zeros" that you're looking for, that's "one quadrillion" (in American usage).
It's usually written "1 x 1015", and pronounced "one times ten to the fifteenth".
x3 + x2 - 17x + 15 = (x - 1)(x - 3)(x + 5). Thus, the zeros are 1, 3, and -5. All three zeros are rational.
10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000
One quadrillion = 1,000,000,000,000,000 = 1 × 1015, thus 15 zeros.
enneadecillion
A 1 quadrillion has 15 zeros. It is written as 1,000,000,000,000,000 in numerical form. This is because one quadrillion is equal to 10 to the power of 15.
x3 + x2 - 17x + 15 = (x - 1)(x - 3)(x + 5). Thus, the zeros are 1, 3, and -5. All three zeros are rational.
here is a list of numbers starting from million to vigintillion 1 plus 6 zeros is 1 million 1 plus 9 zeros is 1 billion 1 plus 12 zeros is 1 trillion 1 plus 15 zeros is 1 quadrillion 1 plus 18 zeros is 1 quintillion 1 plus 21 zeros is 1 sextillion 1 plus 24 zeros is 1 septillion 1 plus 27 zeros is 1 octillion 1 plus 30 zeros is 1 nonillion 1 plus 33 zeros is 1 decillion 1 plus 36 zeros is 1 undecillion 1 plus 39 zeros is 1 duodecillion 1 plus 42 zeros is 1 tredecillion 1 plus 45 zeros is 1 quattuordecillion 1 plus 48 zeros is 1 quindecillion 1 plus 51 zeros is 1 sexdecillion 1 plus 54 zeros is 1 septendecillion 1 plus 57 zeros is 1 octodecillion 1 plus 60 zeros is 1 novemdecillion 1 plus 63 zeros is 1 vigintillion
1,000,000,000,000 is 1 trillion a 1 followed by 12 zeros a 1 followed by 15 zeros is 1 quardrillion
15 zeros
There isn't a quiltrillion but there is a quintrillion which has 18 zeros. A quadtrillion has 15 zeros.
10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000
One quadrillion = 1,000,000,000,000,000 = 1 × 1015, thus 15 zeros.
15
enneadecillion
18 zeros 1 million = 6 zeros 1 billion = 9 1 trillion = 12 1 quadrillion = 15 1 quintillion = 18 1 sextillion =21
One quadrillion
A quadrillion has 15 zeros, so there would be 15 zeros in a quadrillion miles.