31291068672
31,291,068,672 is an even composite number composed of five prime numbers multiplied together.
31291068672 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 31291068672:
28 × 32 × 29 × 31 × 15107
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 29 × 31 × 15107)See below for interesting mathematical facts about the number 31291068672 from the Numbermatics database.
Names of 31291068672
- Cardinal: 31291068672 can be written as Thirty-one billion, two hundred ninety-one million, sixty-eight thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 3.1291068672 × 1010
Factors of 31291068672
Divisors of 31291068672
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 29 31 32 36 48 58 62 64 72 87 93 96 116 124 128 144 174 186 192 232 248 256 261 279 288 348 372 384 464 496 522 558 576 696 744 768 899 928 992 1044 1116 1152 1392 1488 1798 1856 1984 2088 2232 2304 2697 2784 2976 3596 3712 3968 4176 4464 5394 5568 5952 7192 7424 7936 8091 8352 8928 10788 11136 11904 14384 15107 16182 16704 17856 21576 22272 23808 28768 30214 32364 33408 35712 43152 45321 57536 60428 64728 66816 71424 86304 90642 115072 120856 129456 135963 172608 181284 230144 241712 258912 271926 345216 362568 438103 468317 483424 517824 543852 690432 725136 876206 936634 966848 1035648 1087704 1314309 1404951 1450272 1752412 1873268 1933696 2071296 2175408 2628618 2809902 2900544 3504824 3746536 3867392 3942927 4214853 4350816 5257236 5619804 5801088 7009648 7493072 7885854 8429706 8701632 10514472 11239608 11602176 13581193 14019296 14986144 15771708 16859412 17403264 21028944 22479216 27162386 28038592 29972288 31543416 33718824 34806528 40743579 42057888 44958432 54324772 56077184 59944576 63086832 67437648 81487158 84115776 89916864 108649544 112154368 119889152 122230737 126173664 134875296 162974316 168231552 179833728 217299088 244461474 252347328 269750592 325948632 336463104 359667456 434598176 488922948 504694656 539501184 651897264 869196352 977845896 1009389312 1079002368 1303794528 1738392704 1955691792 2607589056 3476785408 3911383584 5215178112 7822767168 10430356224 15645534336 31291068672
- Sum of all divisors σ(n): 96347946240
- Sum of proper divisors (its aliquot sum) s(n): 65056877568
- 31291068672 is an abundant number, because the sum of its proper divisors (65056877568) is greater than itself. Its abundance is 33765808896
Bases of 31291068672
- Binary: 111010010010001011111010001000000002
- Hexadecimal: 0x74917D100
- Base-36: EDHW740
Squares and roots of 31291068672
- 31291068672 squared (312910686722) is 979130978635819843584
- 31291068672 cubed (312910686723) is 30638054691376003604607242600448
-
The
square root of 31291068672 is 176892.8169033441 -
The
cube root of 31291068672 is 3151.1818416413
Scales and comparisons
How big is 31291068672?- 31,291,068,672 seconds is equal to 994 years, 49 weeks, 6 days, 3 hours, 31 minutes, 12 seconds.
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To count from 1 to 31,291,068,672 would take you about one thousand, nine hundred eighty-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 31291068672 cubic inches would be around 262.6 feet tall.
Recreational maths with 31291068672
- 31291068672 backwards is 27686019213
- The number of decimal digits it has is: 11
- The sum of 31291068672's digits is 45
- More coming soon!
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