31891999040
31,891,999,040 is an even composite number composed of six prime numbers multiplied together.
31891999040 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 31891999040:
26 × 5 × 112 × 37 × 113 × 197
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 11 × 37 × 113 × 197)See below for interesting mathematical facts about the number 31891999040 from the Numbermatics database.
Names of 31891999040
- Cardinal: 31891999040 can be written as Thirty-one billion, eight hundred ninety-one million, nine hundred ninety-nine thousand and forty.
Scientific notation
- Scientific notation: 3.189199904 × 1010
Factors of 31891999040
Divisors of 31891999040
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 37 40 44 55 64 74 80 88 110 113 121 148 160 176 185 197 220 226 242 296 320 352 370 394 407 440 452 484 565 592 605 704 740 788 814 880 904 968 985 1130 1184 1210 1243 1480 1576 1628 1760 1808 1936 1970 2035 2167 2260 2368 2420 2486 2960 3152 3256 3520 3616 3872 3940 4070 4181 4334 4477 4520 4840 4972 5920 6215 6304 6512 7232 7289 7744 7880 8140 8362 8668 8954 9040 9680 9944 10835 11840 12430 12608 13024 13673 14578 15760 16280 16724 17336 17908 18080 19360 19888 20905 21670 22261 22385 23837 24860 26048 27346 29156 31520 32560 33448 34672 35816 36160 36445 38720 39776 41810 43340 44522 44770 45991 47674 49720 54692 58312 63040 65120 66896 68365 69344 71632 72890 79552 80179 83620 86680 89044 89540 91982 95348 99440 109384 111305 116624 119185 130240 133792 136730 138688 143264 145780 160358 167240 173360 178088 179080 183964 190696 198880 218768 222610 229955 233248 238370 244871 267584 273460 286528 291560 320716 334480 346720 356176 358160 367928 381392 397760 400895 437536 445220 459910 466496 476740 489742 505901 546920 583120 641432 668960 693440 712352 716320 735856 762784 801790 823657 875072 881969 890440 919820 953480 979484 1011802 1093840 1166240 1224355 1282864 1337920 1424704 1432640 1471712 1525568 1603580 1647314 1763938 1780880 1839640 1906960 1958968 2023604 2187680 2332480 2448710 2529505 2565728 2693581 2943424 3207160 3294628 3527876 3561760 3679280 3813920 3917936 4047208 4118285 4375360 4409845 4897420 5059010 5131456 5387162 6414320 6589256 7055752 7123520 7358560 7627840 7835872 8094416 8236570 8819690 9060227 9794840 10118020 10774324 12828640 13178512 13467905 14111504 14717120 15671744 16188832 16473140 17639380 18120454 19589680 20236040 21548648 25657280 26357024 26935810 28223008 32377664 32946280 35278760 36240908 39179360 40472080 43097296 45301135 52714048 53871620 56446016 65892560 70557520 72481816 78358720 80944160 86194592 90602270 99662497 107743240 131785120 141115040 144963632 161888320 172389184 181204540 199324994 215486480 263570240 282230080 289927264 362409080 398649988 430972960 498312485 579854528 724818160 797299976 861945920 996624970 1449636320 1594599952 1993249940 2899272640 3189199904 3986499880 6378399808 7972999760 15945999520 31891999040
- Sum of all divisors σ(n): 86928112656
- Sum of proper divisors (its aliquot sum) s(n): 55036113616
- 31891999040 is an abundant number, because the sum of its proper divisors (55036113616) is greater than itself. Its abundance is 23144114576
Bases of 31891999040
- Binary: 111011011001110100101001001010000002
- Hexadecimal: 0x76CE94940
- Base-36: ENFO7Y8
Squares and roots of 31891999040
- 31891999040 squared (318919990402) is 1017099602767360921600
- 31891999040 cubed (318919990403) is 32437339555041055855000715264000
-
The
square root of 31891999040 is 178583.3112023629 -
The
cube root of 31891999040 is 3171.2263940899
Scales and comparisons
How big is 31891999040?- 31,891,999,040 seconds is equal to 1,014 years, 3 weeks, 3 days, 8 hours, 37 minutes, 20 seconds.
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To count from 1 to 31,891,999,040 would take you about two thousand and twenty-eight 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 31891999040 cubic inches would be around 264.3 feet tall.
Recreational maths with 31891999040
- 31891999040 backwards is 04099919813
- The number of decimal digits it has is: 11
- The sum of 31891999040's digits is 53
- More coming soon!
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