21007798272
21,007,798,272 is an even composite number composed of four prime numbers multiplied together.
21007798272 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred thirty-four divisors.
Prime factorization of 21007798272:
212 × 32 × 312 × 593
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 31 × 31 × 593)See below for interesting mathematical facts about the number 21007798272 from the Numbermatics database.
Names of 21007798272
- Cardinal: 21007798272 can be written as Twenty-one billion, seven million, seven hundred ninety-eight thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 2.1007798272 × 1010
Factors of 21007798272
Divisors of 21007798272
- Number of divisors d(n): 234
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 72 93 96 124 128 144 186 192 248 256 279 288 372 384 496 512 558 576 593 744 768 961 992 1024 1116 1152 1186 1488 1536 1779 1922 1984 2048 2232 2304 2372 2883 2976 3072 3558 3844 3968 4096 4464 4608 4744 5337 5766 5952 6144 7116 7688 7936 8649 8928 9216 9488 10674 11532 11904 12288 14232 15376 15872 17298 17856 18383 18432 18976 21348 23064 23808 28464 30752 31744 34596 35712 36766 36864 37952 42696 46128 47616 55149 56928 61504 63488 69192 71424 73532 75904 85392 92256 95232 110298 113856 123008 126976 138384 142848 147064 151808 165447 170784 184512 190464 220596 227712 246016 276768 285696 294128 303616 330894 341568 369024 380928 441192 455424 492032 553536 569873 571392 588256 607232 661788 683136 738048 882384 910848 984064 1107072 1139746 1142784 1176512 1214464 1323576 1366272 1476096 1709619 1764768 1821696 1968128 2214144 2279492 2353024 2428928 2647152 2732544 2952192 3419238 3529536 3643392 3936256 4428288 4558984 4706048 5128857 5294304 5465088 5904384 6838476 7059072 7286784 8856576 9117968 9412096 10257714 10588608 10930176 11808768 13676952 14118144 17713152 18235936 18824192 20515428 21177216 21860352 27353904 28236288 35426304 36471872 37648384 41030856 42354432 54707808 56472576 72943744 75296768 82061712 84708864 109415616 112945152 145887488 164123424 169417728 218831232 225890304 291774976 328246848 338835456 437662464 583549952 656493696 677670912 875324928 1167099904 1312987392 1750649856 2334199808 2625974784 3501299712 5251949568 7002599424 10503899136 21007798272
- Sum of all divisors σ(n): 62808145686
- Sum of proper divisors (its aliquot sum) s(n): 41800347414
- 21007798272 is an abundant number, because the sum of its proper divisors (41800347414) is greater than itself. Its abundance is 20792549142
Bases of 21007798272
- Binary: 100111001000010100110010000000000002
- Hexadecimal: 0x4E4299000
- Base-36: 9NFI0W0
Squares and roots of 21007798272
- 21007798272 squared (210077982722) is 441327588237046185984
- 21007798272 cubed (210077982723) is 9271320945552146392298865819648
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The
square root of 21007798272 is 144940.6715590899 -
The
cube root of 21007798272 is 2759.2656395327
Scales and comparisons
How big is 21007798272?- 21,007,798,272 seconds is equal to 667 years, 51 weeks, 19 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,007,798,272 would take you about one thousand, three hundred thirty-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 21007798272 cubic inches would be around 229.9 feet tall.
Recreational maths with 21007798272
- 21007798272 backwards is 27289770012
- The number of decimal digits it has is: 11
- The sum of 21007798272's digits is 45
- More coming soon!
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