31994812640
31,994,812,640 is an even composite number composed of five prime numbers multiplied together.
31994812640 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 31994812640:
25 × 5 × 72 × 59 × 2632
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 59 × 263 × 263)See below for interesting mathematical facts about the number 31994812640 from the Numbermatics database.
Names of 31994812640
- Cardinal: 31994812640 can be written as Thirty-one billion, nine hundred ninety-four million, eight hundred twelve thousand, six hundred forty.
Scientific notation
- Scientific notation: 3.199481264 × 1010
Factors of 31994812640
Divisors of 31994812640
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 59 70 80 98 112 118 140 160 196 224 236 245 263 280 295 392 413 472 490 526 560 590 784 826 944 980 1052 1120 1180 1315 1568 1652 1841 1888 1960 2065 2104 2360 2630 2891 3304 3682 3920 4130 4208 4720 5260 5782 6608 7364 7840 8260 8416 9205 9440 10520 11564 12887 13216 14455 14728 15517 16520 18410 21040 23128 25774 28910 29456 31034 33040 36820 42080 46256 51548 57820 58912 62068 64435 66080 69169 73640 77585 92512 103096 108619 115640 124136 128870 138338 147280 155170 206192 217238 231280 248272 257740 276676 294560 310340 345845 412384 434476 462560 484183 496544 515480 543095 553352 620680 691690 760333 868952 968366 1030960 1086190 1106704 1241360 1383380 1520666 1737904 1936732 2061920 2172380 2213408 2420915 2482720 2766760 3041332 3389281 3475808 3801665 3873464 4080971 4344760 4841830 5533520 6082664 6778562 7603330 7746928 8161942 8689520 9683660 11067040 12165328 13557124 15206660 15493856 16323884 16946405 17379040 19367320 20404855 24330656 27114248 28566797 30413320 32647768 33892810 38734640 40809710 54228496 57133594 60826640 65295536 67785620 77469280 81619420 108456992 114267188 121653280 130591072 135571240 142833985 163238840 199967579 228534376 271142480 285667970 326477680 399935158 457068752 542284960 571335940 652955360 799870316 914137504 999837895 1142671880 1599740632 1999675790 2285343760 3199481264 3999351580 4570687520 6398962528 7998703160 15997406320 31994812640
- Sum of all divisors σ(n): 89760205080
- Sum of proper divisors (its aliquot sum) s(n): 57765392440
- 31994812640 is an abundant number, because the sum of its proper divisors (57765392440) is greater than itself. Its abundance is 25770579800
Bases of 31994812640
- Binary: 111011100110000101000011000111000002
- Hexadecimal: 0x7730A18E0
- Base-36: EP4VVFK
Squares and roots of 31994812640
- 31994812640 squared (319948126402) is 1023668035868703769600
- 31994812640 cubed (319948126403) is 32752067013175976748013727744000
-
The
square root of 31994812640 is 178870.9385003613 -
The
cube root of 31994812640 is 3174.6305442341
Scales and comparisons
How big is 31994812640?- 31,994,812,640 seconds is equal to 1,017 years, 17 weeks, 3 days, 7 hours, 57 minutes, 20 seconds.
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To count from 1 to 31,994,812,640 would take you about two thousand and thirty-four 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 31994812640 cubic inches would be around 264.6 feet tall.
Recreational maths with 31994812640
- 31994812640 backwards is 04621849913
- The number of decimal digits it has is: 11
- The sum of 31994812640's digits is 47
- More coming soon!
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