12987428832
12,987,428,832 is an even composite number composed of five prime numbers multiplied together.
12987428832 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 12987428832:
25 × 32 × 73 × 73 × 1801
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 7 × 7 × 73 × 1801)See below for interesting mathematical facts about the number 12987428832 from the Numbermatics database.
Names of 12987428832
- Cardinal: 12987428832 can be written as Twelve billion, nine hundred eighty-seven million, four hundred twenty-eight thousand, eight hundred thirty-two.
Scientific notation
- Scientific notation: 1.2987428832 × 1010
Factors of 12987428832
Divisors of 12987428832
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 72 73 84 96 98 112 126 144 146 147 168 196 219 224 252 288 292 294 336 343 392 438 441 504 511 584 588 657 672 686 784 876 882 1008 1022 1029 1168 1176 1314 1372 1533 1568 1752 1764 1801 2016 2044 2058 2336 2352 2628 2744 3066 3087 3504 3528 3577 3602 4088 4116 4599 4704 5256 5403 5488 6132 6174 7008 7056 7154 7204 8176 8232 9198 10512 10731 10806 10976 12264 12348 12607 14112 14308 14408 16209 16352 16464 18396 21024 21462 21612 24528 24696 25039 25214 28616 28816 32193 32418 32928 36792 37821 42924 43224 49056 49392 50078 50428 57232 57632 64386 64836 73584 75117 75642 85848 86448 88249 98784 100156 100856 113463 114464 128772 129672 131473 147168 150234 151284 171696 172896 176498 200312 201712 225351 226926 257544 259344 262946 264747 300468 302568 343392 352996 394419 400624 403424 450702 453852 515088 518688 525892 529494 600936 605136 617743 705992 788838 794241 801248 901404 907704 920311 1030176 1051784 1058988 1183257 1201872 1210272 1235486 1411984 1577676 1588482 1802808 1815408 1840622 1853229 2103568 2117976 2366514 2403744 2470972 2760933 2823968 3155352 3176964 3605616 3630816 3681244 3706458 4207136 4235952 4733028 4941944 5521866 5559687 6310704 6353928 6442177 7211232 7362488 7412916 8282799 8471904 9466056 9883888 11043732 11119374 12621408 12707856 12884354 14724976 14825832 16565598 18932112 19326531 19767776 22087464 22238748 25415712 25768708 29449952 29651664 33131196 37864224 38653062 44174928 44477496 45095239 51537416 57979593 59303328 66262392 77306124 88349856 88954992 90190478 103074832 115959186 132524784 135285717 154612248 177909984 180380956 206149664 231918372 265049568 270571434 309224496 360761912 405857151 463836744 541142868 618448992 721523824 811714302 927673488 1082285736 1443047648 1623428604 1855346976 2164571472 3246857208 4329142944 6493714416 12987428832
- Sum of all divisors σ(n): 43684804800
- Sum of proper divisors (its aliquot sum) s(n): 30697375968
- 12987428832 is an abundant number, because the sum of its proper divisors (30697375968) is greater than itself. Its abundance is 17709947136
Bases of 12987428832
- Binary: 11000001100001110001101111111000002
- Hexadecimal: 0x3061C6FE0
- Base-36: 5YSDO80
Squares and roots of 12987428832
- 12987428832 squared (129874288322) is 168673307666264884224
- 12987428832 cubed (129874288323) is 2190632579173655191119919546368
-
The
square root of 12987428832 is 113962.4009575087 -
The
cube root of 12987428832 is 2350.5765196055
Scales and comparisons
How big is 12987428832?- 12,987,428,832 seconds is equal to 412 years, 49 weeks, 6 days, 11 hours, 7 minutes, 12 seconds.
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To count from 1 to 12,987,428,832 would take you about eight hundred twenty-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 12987428832 cubic inches would be around 195.9 feet tall.
Recreational maths with 12987428832
- 12987428832 backwards is 23882478921
- The number of decimal digits it has is: 11
- The sum of 12987428832's digits is 54
- More coming soon!
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