21081597640376
21,081,597,640,376 is an even composite number composed of five prime numbers multiplied together.
21081597640376 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21081597640376:
23 × 7 × 132 × 1092 × 4332
(2 × 2 × 2 × 7 × 13 × 13 × 109 × 109 × 433 × 433)See below for interesting mathematical facts about the number 21081597640376 from the Numbermatics database.
Names of 21081597640376
- Cardinal: 21081597640376 can be written as Twenty-one trillion, eighty-one billion, five hundred ninety-seven million, six hundred forty thousand, three hundred seventy-six.
Scientific notation
- Scientific notation: 2.1081597640376 × 1013
Factors of 21081597640376
Divisors of 21081597640376
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 7 8 13 14 26 28 52 56 91 104 109 169 182 218 338 364 433 436 676 728 763 866 872 1183 1352 1417 1526 1732 2366 2834 3031 3052 3464 4732 5629 5668 6062 6104 9464 9919 11258 11336 11881 12124 18421 19838 22516 23762 24248 36842 39403 39676 45032 47197 47524 73177 73684 78806 79352 83167 94394 95048 128947 146354 147368 154453 157612 166334 187489 188788 257894 292708 308906 315224 330379 332668 374978 377576 512239 515788 585416 613561 617812 660758 665336 749956 1024478 1031576 1081171 1227122 1235624 1312423 1321516 1499912 2007889 2048956 2162342 2437357 2454244 2624846 2643032 4015778 4097912 4294927 4324684 4874714 4908488 5144473 5249692 7976293 8031556 8589854 8649368 9749428 10288946 10499384 14055223 15952586 16063112 17061499 17179708 19498856 20436301 20577892 28110446 31685641 31905172 34122998 34359416 36011311 40872602 41155784 55834051 56220892 63371282 63810344 66878149 68245996 72022622 81745204 111668102 112441784 126742564 133756298 136491992 143054107 144045244 163490408 221799487 223336204 253485128 265671913 267512596 286108214 288090488 443598974 446672408 468147043 531343826 535025192 572216428 869415937 887197948 936294086 1062687652 1144432856 1738831874 1774395896 1859703391 1872588172 2125375304 2227556809 3453734869 3477663748 3719406782 3745176344 4455113618 6085911559 6907469738 6955327496 7438813564 8910227236 12171823118 13814939476 14877627128 15592897663 17820454472 24176144083 24343646236 27629878952 28958238517 31185795326 48352288166 48687292472 57916477034 62371590652 96704576332 115832954068 124743181304 193409152664 202707669619 231665908136 376457100721 405415339238 752914201442 810830678476 1505828402884 1621661356952 2635199705047 3011656805768 5270399410094 10540798820188 21081597640376
- Sum of all divisors σ(n): 49484327858280
- Sum of proper divisors (its aliquot sum) s(n): 28402730217904
- 21081597640376 is an abundant number, because the sum of its proper divisors (28402730217904) is greater than itself. Its abundance is 7321132577528
Bases of 21081597640376
- Binary: 1001100101100011100010010001101111110101110002
- Hexadecimal: 0x132C71237EB8
- Base-36: 7H0R2X9YW
Squares and roots of 21081597640376
- 21081597640376 squared (210815976403762) is 444433759070706931025421376
- 21081597640376 cubed (210815976403763) is 9369373686528450923647751866352711077376
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The
square root of 21081597640376 is 4591470.0957728127 -
The
cube root of 21081597640376 is 27624.9291848889
Scales and comparisons
How big is 21081597640376?- 21,081,597,640,376 seconds is equal to 670,329 years, 30 weeks, 6 days, 16 hours, 32 minutes, 56 seconds.
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To count from 1 to 21,081,597,640,376 would take you about one million, six hundred seventy-five thousand, eight hundred twenty-three 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 21081597640376 cubic inches would be around 2302.1 feet tall.
Recreational maths with 21081597640376
- 21081597640376 backwards is 67304679518012
- The number of decimal digits it has is: 14
- The sum of 21081597640376's digits is 59
- More coming soon!
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