21381364032
21,381,364,032 is an even composite number composed of six prime numbers multiplied together.
21381364032 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21381364032:
26 × 3 × 72 × 17 × 43 × 3109
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 17 × 43 × 3109)See below for interesting mathematical facts about the number 21381364032 from the Numbermatics database.
Names of 21381364032
- Cardinal: 21381364032 can be written as Twenty-one billion, three hundred eighty-one million, three hundred sixty-four thousand and thirty-two.
Scientific notation
- Scientific notation: 2.1381364032 × 1010
Factors of 21381364032
Divisors of 21381364032
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 43 48 49 51 56 64 68 84 86 96 98 102 112 119 129 136 147 168 172 192 196 204 224 238 258 272 294 301 336 344 357 392 408 448 476 516 544 588 602 672 688 714 731 784 816 833 903 952 1032 1088 1176 1204 1344 1376 1428 1462 1568 1632 1666 1806 1904 2064 2107 2193 2352 2408 2499 2752 2856 2924 3109 3136 3264 3332 3612 3808 4128 4214 4386 4704 4816 4998 5117 5712 5848 6218 6321 6664 7224 7616 8256 8428 8772 9327 9408 9632 9996 10234 11424 11696 12436 12642 13328 14448 15351 16856 17544 18654 19264 19992 20468 21763 22848 23392 24872 25284 26656 28896 30702 33712 35088 35819 37308 39984 40936 43526 46784 49744 50568 52853 53312 57792 61404 65289 67424 70176 71638 74616 79968 81872 87052 99488 101136 105706 107457 122808 130578 133687 134848 140352 143276 149232 152341 158559 159936 163744 174104 198976 202272 211412 214914 245616 261156 267374 286552 298464 304682 317118 327488 348208 369971 401061 404544 422824 429828 457023 491232 522312 534748 573104 596928 609364 634236 696416 739942 802122 845648 859656 914046 935809 982464 1044624 1069496 1109913 1146208 1218728 1268472 1392832 1479884 1604244 1691296 1719312 1828092 1871618 2089248 2138992 2219826 2272679 2292416 2437456 2536944 2589797 2807427 2959768 3208488 3382592 3438624 3656184 3743236 4178496 4277984 4439652 4545358 4874912 5073888 5179594 5614854 5919536 6416976 6550663 6818037 6877248 7312368 7486472 7769391 8555968 8879304 9090716 9749824 10147776 10359188 11229708 11839072 12833952 13101326 13636074 14624736 14972944 15538782 15908753 17758608 18181432 19651989 20718376 22459416 23678144 25667904 26202652 27272148 29249472 29945888 31077564 31817506 35517216 36362864 39303978 41436752 44918832 47726259 52405304 54544296 59891776 62155128 63635012 71034432 72725728 78607956 82873504 89837664 95452518 104810608 109088592 111361271 124310256 127270024 145451456 157215912 165747008 179675328 190905036 209621216 218177184 222722542 248620512 254540048 314431824 334083813 381810072 419242432 436354368 445445084 497241024 509080096 628863648 668167626 763620144 890890168 1018160192 1257727296 1336335252 1527240288 1781780336 2672670504 3054480576 3563560672 5345341008 7127121344 10690682016 21381364032
- Sum of all divisors σ(n): 71322102720
- Sum of proper divisors (its aliquot sum) s(n): 49940738688
- 21381364032 is an abundant number, because the sum of its proper divisors (49940738688) is greater than itself. Its abundance is 28559374656
Bases of 21381364032
- Binary: 100111110100110110110111001010000002
- Hexadecimal: 0x4FA6DB940
- Base-36: 9TLWU2O
Squares and roots of 21381364032
- 21381364032 squared (213813640322) is 457162727868903297024
- 21381364032 cubed (213813640323) is 9774762706427172966275166240768
-
The
square root of 21381364032 is 146223.6780825869 -
The
cube root of 21381364032 is 2775.5249514465
Scales and comparisons
How big is 21381364032?- 21,381,364,032 seconds is equal to 679 years, 44 weeks, 5 days, 11 hours, 47 minutes, 12 seconds.
-
To count from 1 to 21,381,364,032 would take you about one thousand, three hundred fifty-nine 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 21381364032 cubic inches would be around 231.3 feet tall.
Recreational maths with 21381364032
- 21381364032 backwards is 23046318312
- The number of decimal digits it has is: 11
- The sum of 21381364032's digits is 33
- More coming soon!
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