21315506112
21,315,506,112 is an even composite number composed of five prime numbers multiplied together.
21315506112 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 21315506112:
26 × 32 × 149 × 307 × 809
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 149 × 307 × 809)See below for interesting mathematical facts about the number 21315506112 from the Numbermatics database.
Names of 21315506112
- Cardinal: 21315506112 can be written as Twenty-one billion, three hundred fifteen million, five hundred six thousand, one hundred twelve.
Scientific notation
- Scientific notation: 2.1315506112 × 1010
Factors of 21315506112
Divisors of 21315506112
- Number of divisors d(n): 168
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 149 192 288 298 307 447 576 596 614 809 894 921 1192 1228 1341 1618 1788 1842 2384 2427 2456 2682 2763 3236 3576 3684 4768 4854 4912 5364 5526 6472 7152 7281 7368 9536 9708 9824 10728 11052 12944 14304 14562 14736 19416 19648 21456 22104 25888 28608 29124 29472 38832 42912 44208 45743 51776 58248 58944 77664 85824 88416 91486 116496 120541 137229 155328 176832 182972 232992 241082 248363 274458 361623 365944 411687 465984 482164 496726 548916 723246 731888 745089 823374 964328 993452 1084869 1097832 1446492 1463776 1490178 1646748 1928656 1986904 2169738 2195664 2235267 2892984 2927552 2980356 3293496 3857312 3973808 4339476 4391328 4470534 5785968 5960712 6586992 7714624 7947616 8678952 8782656 8941068 11571936 11921424 13173984 15895232 17357904 17882136 23143872 23842848 26347968 34715808 35764272 37006087 47685696 69431616 71528544 74012174 111018261 143057088 148024348 222036522 296048696 333054783 444073044 592097392 666109566 888146088 1184194784 1332219132 1776292176 2368389568 2664438264 3552584352 5328876528 7105168704 10657753056 21315506112
- Sum of all divisors σ(n): 61783722000
- Sum of proper divisors (its aliquot sum) s(n): 40468215888
- 21315506112 is an abundant number, because the sum of its proper divisors (40468215888) is greater than itself. Its abundance is 19152709776
Bases of 21315506112
- Binary: 100111101101000000011001111110000002
- Hexadecimal: 0x4F680CFC0
- Base-36: 9SIP9S0
Squares and roots of 21315506112
- 21315506112 squared (213155061122) is 454350800810709356544
- 21315506112 cubed (213155061123) is 9684717271672769844469219196928
-
The
square root of 21315506112 is 145998.3085929423 -
The
cube root of 21315506112 is 2772.6723380539
Scales and comparisons
How big is 21315506112?- 21,315,506,112 seconds is equal to 677 years, 39 weeks, 6 days, 5 hours, 55 minutes, 12 seconds.
-
To count from 1 to 21,315,506,112 would take you about one thousand, three hundred fifty-five years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21315506112 cubic inches would be around 231.1 feet tall.
Recreational maths with 21315506112
- 21315506112 backwards is 21160551312
- The number of decimal digits it has is: 11
- The sum of 21315506112's digits is 27
- More coming soon!
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