21115321227
21,115,321,227 is an odd composite number composed of six prime numbers multiplied together.
21115321227 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21115321227:
32 × 72 × 112 × 13 × 61 × 499
(3 × 3 × 7 × 7 × 11 × 11 × 13 × 61 × 499)See below for interesting mathematical facts about the number 21115321227 from the Numbermatics database.
Names of 21115321227
- Cardinal: 21115321227 can be written as Twenty-one billion, one hundred fifteen million, three hundred twenty-one thousand, two hundred twenty-seven.
Scientific notation
- Scientific notation: 2.1115321227 × 1010
Factors of 21115321227
Divisors of 21115321227
- Number of divisors d(n): 216
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Complete list of divisors:
1 3 7 9 11 13 21 33 39 49 61 63 77 91 99 117 121 143 147 183 231 273 363 427 429 441 499 539 549 637 671 693 793 819 847 1001 1089 1281 1287 1497 1573 1617 1911 2013 2379 2541 2989 3003 3493 3843 4491 4697 4719 4851 5489 5551 5733 5929 6039 6487 7007 7137 7381 7623 8723 8967 9009 10479 11011 14091 14157 16467 16653 17787 19461 21021 22143 24451 26169 26901 30439 31437 32879 33033 38423 38857 42273 45409 49401 49959 51667 53361 58383 60379 61061 63063 66429 71357 73353 77077 78507 91317 95953 98637 99099 115269 116571 136227 155001 181137 183183 213073 214071 220059 231231 268961 273951 287859 295911 317863 334829 345807 349713 361669 395707 408681 422653 427427 465003 499499 543411 549549 639219 642213 671671 693693 784927 806883 863577 953589 1004487 1085007 1187121 1267959 1282281 1491511 1498497 1917657 2015013 2343803 2354781 2420649 2769949 2860767 2958571 3013461 3255021 3496493 3561363 3683119 3803877 3846843 4352777 4474533 4495491 4701697 5494489 6045039 7031409 7064343 8309847 8875713 10489479 11049357 13058331 13423599 14105091 16406621 16483467 19389643 21094227 24929541 25781833 26627139 30469439 31468437 33148071 38461423 39174993 42315273 47880547 49219863 49450401 58168929 77345499 91408317 115384269 143641641 147659589 174506787 180472831 213286073 232036497 274224951 335163829 346152807 430924923 541418493 639858219 1005491487 1624255479 1919574657 2346146803 3016474461 7038440409 21115321227
- Sum of all divisors σ(n): 42772002000
- Sum of proper divisors (its aliquot sum) s(n): 21656680773
- 21115321227 is an abundant number, because the sum of its proper divisors (21656680773) is greater than itself. Its abundance is 541359546
Bases of 21115321227
- Binary: 100111010101001001000111011100010112
- Hexadecimal: 0x4EA923B8B
- Base-36: 9P7IM4R
Squares and roots of 21115321227
- 21115321227 squared (211153212272) is 445856790519396785529
- 21115321227 cubed (211153212273) is 9414409353056311300716060124083
-
The
square root of 21115321227 is 145311.1187314997 -
The
cube root of 21115321227 is 2763.9651588639
Scales and comparisons
How big is 21115321227?- 21,115,321,227 seconds is equal to 671 years, 20 weeks, 6 days, 7 hours, 27 seconds.
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To count from 1 to 21,115,321,227 would take you about one thousand, three hundred forty-two 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 21115321227 cubic inches would be around 230.3 feet tall.
Recreational maths with 21115321227
- 21115321227 backwards is 72212351112
- The number of decimal digits it has is: 11
- The sum of 21115321227's digits is 27
- More coming soon!
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