21521042712
21,521,042,712 is an even composite number composed of five prime numbers multiplied together.
21521042712 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21521042712:
23 × 33 × 132 × 347 × 1699
(2 × 2 × 2 × 3 × 3 × 3 × 13 × 13 × 347 × 1699)See below for interesting mathematical facts about the number 21521042712 from the Numbermatics database.
Names of 21521042712
- Cardinal: 21521042712 can be written as Twenty-one billion, five hundred twenty-one million, forty-two thousand, seven hundred twelve.
Scientific notation
- Scientific notation: 2.1521042712 × 1010
Factors of 21521042712
Divisors of 21521042712
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 117 156 169 216 234 312 338 347 351 468 507 676 694 702 936 1014 1041 1352 1388 1404 1521 1699 2028 2082 2776 2808 3042 3123 3398 4056 4164 4511 4563 5097 6084 6246 6796 8328 9022 9126 9369 10194 12168 12492 13533 13592 15291 18044 18252 18738 20388 22087 24984 27066 30582 36088 36504 37476 40599 40776 44174 45873 54132 58643 61164 66261 74952 81198 88348 91746 108264 117286 121797 122328 132522 162396 175929 176696 183492 198783 234572 243594 265044 287131 324792 351858 366984 397566 469144 487188 527787 530088 574262 589553 596349 703716 795132 861393 974376 1055574 1148524 1179106 1192698 1407432 1583361 1590264 1722786 1768659 2111148 2297048 2358212 2385396 2584179 3166722 3445572 3537318 4222296 4716424 4770792 5168358 5305977 6333444 6891144 7074636 7664189 7752537 10336716 10611954 12666888 14149272 15328378 15505074 15917931 20673432 21223908 22992567 30656756 31010148 31835862 42447816 45985134 61313512 62020296 63671724 68977701 91970268 99634457 127343448 137955402 183940536 199268914 206933103 275910804 298903371 398537828 413866206 551821608 597806742 797075656 827732412 896710113 1195613484 1655464824 1793420226 2391226968 2690130339 3586840452 5380260678 7173680904 10760521356 21521042712
- Sum of all divisors σ(n): 64957680000
- Sum of proper divisors (its aliquot sum) s(n): 43436637288
- 21521042712 is an abundant number, because the sum of its proper divisors (43436637288) is greater than itself. Its abundance is 21915594576
Bases of 21521042712
- Binary: 101000000101100000100001101000110002
- Hexadecimal: 0x502C10D18
- Base-36: 9VX2MU0
Squares and roots of 21521042712
- 21521042712 squared (215210427122) is 463155279411728314944
- 21521042712 cubed (215210427123) is 9967584550508099299649611888128
-
The
square root of 21521042712 is 146700.5204898743 -
The
cube root of 21521042712 is 2781.5557563569
Scales and comparisons
How big is 21521042712?- 21,521,042,712 seconds is equal to 684 years, 15 weeks, 5 days, 3 hours, 25 minutes, 12 seconds.
-
To count from 1 to 21,521,042,712 would take you about one thousand, three hundred sixty-eight 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 21521042712 cubic inches would be around 231.8 feet tall.
Recreational maths with 21521042712
- 21521042712 backwards is 21724012512
- 21521042712 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21521042712's digits is 27
- More coming soon!
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