21008305472
21,008,305,472 is an even composite number composed of five prime numbers multiplied together.
21008305472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21008305472:
26 × 73 × 11 × 192 × 241
(2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 11 × 19 × 19 × 241)See below for interesting mathematical facts about the number 21008305472 from the Numbermatics database.
Names of 21008305472
- Cardinal: 21008305472 can be written as Twenty-one billion, eight million, three hundred five thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1008305472 × 1010
Factors of 21008305472
Divisors of 21008305472
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 4 7 8 11 14 16 19 22 28 32 38 44 49 56 64 76 77 88 98 112 133 152 154 176 196 209 224 241 266 304 308 343 352 361 392 418 448 482 532 539 608 616 686 704 722 784 836 931 964 1064 1078 1216 1232 1372 1444 1463 1568 1672 1687 1862 1928 2128 2156 2464 2527 2651 2744 2888 2926 3136 3344 3374 3724 3773 3856 3971 4256 4312 4579 4928 5054 5302 5488 5776 5852 6517 6688 6748 7448 7546 7712 7942 8512 8624 9158 10108 10241 10604 10976 11552 11704 11809 13034 13376 13496 14896 15092 15424 15884 17248 17689 18316 18557 20216 20482 21208 21952 23104 23408 23618 26068 26992 27797 29792 30184 31768 32053 34496 35378 36632 37114 40432 40964 42416 46816 47236 50369 52136 53984 55594 59584 60368 63536 64106 70756 71687 73264 74228 80864 81928 82663 84832 87001 93632 94472 100738 104272 107968 111188 120736 123823 127072 128212 129899 141512 143374 146528 148456 161728 163856 165326 169664 174002 188944 194579 201476 208544 222376 224371 241472 247646 254144 256424 259798 283024 286748 293056 296912 327712 330652 348004 352583 377888 389158 402952 417088 444752 448742 495292 512848 519596 566048 573496 593824 609007 655424 661304 696008 705166 755776 778316 805904 889504 897484 909293 957011 990584 1025696 1039192 1132096 1146992 1187648 1218014 1322608 1362053 1392016 1410332 1556632 1570597 1611808 1779008 1794968 1818586 1914022 1981168 2051392 2078384 2293984 2436028 2468081 2645216 2724106 2784032 2820664 3113264 3141194 3223616 3589936 3637172 3828044 3962336 4156768 4263049 4587968 4872056 4936162 5290432 5448212 5568064 5641328 6226528 6282388 6699077 7179872 7274344 7656088 7924672 8313536 8526098 9744112 9872324 10896424 11282656 12453056 12564776 13398154 14359744 14548688 15312176 17052196 17276567 19488224 19744648 21792848 22565312 25129552 26796308 29097376 29841343 30624352 34104392 34553134 38976448 39489296 43585696 46893539 50259104 53592616 58194752 59682686 61248704 68208784 69106268 78978592 87171392 93787078 100518208 107185232 119365372 136417568 138212536 157957184 187574156 214370464 238730744 272835136 276425072 328254773 375148312 428740928 477461488 552850144 656509546 750296624 954922976 1105700288 1313019092 1500593248 1909845952 2626038184 3001186496 5252076368 10504152736 21008305472
- Sum of all divisors σ(n): 56206339200
- Sum of proper divisors (its aliquot sum) s(n): 35198033728
- 21008305472 is an abundant number, because the sum of its proper divisors (35198033728) is greater than itself. Its abundance is 14189728256
Bases of 21008305472
- Binary: 100111001000011000101001101010000002
- Hexadecimal: 0x4E4314D40
- Base-36: 9NFSW8W
Squares and roots of 21008305472
- 21008305472 squared (210083054722) is 441348898804865142784
- 21008305472 cubed (210083054723) is 9271992485823422639371168514048
-
The
square root of 21008305472 is 144942.4212299491 -
The
cube root of 21008305472 is 2759.2878453861
Scales and comparisons
How big is 21008305472?- 21,008,305,472 seconds is equal to 667 years, 51 weeks, 6 days, 16 hours, 24 minutes, 32 seconds.
-
To count from 1 to 21,008,305,472 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 21008305472 cubic inches would be around 229.9 feet tall.
Recreational maths with 21008305472
- 21008305472 backwards is 27450380012
- 21008305472 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21008305472's digits is 32
- More coming soon!
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