31914661920
31,914,661,920 is an even composite number composed of seven prime numbers multiplied together.
31914661920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 31914661920:
25 × 3 × 5 × 43 × 47 × 167 × 197
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 43 × 47 × 167 × 197)See below for interesting mathematical facts about the number 31914661920 from the Numbermatics database.
Names of 31914661920
- Cardinal: 31914661920 can be written as Thirty-one billion, nine hundred fourteen million, six hundred sixty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.191466192 × 1010
Factors of 31914661920
Divisors of 31914661920
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 43 47 48 60 80 86 94 96 120 129 141 160 167 172 188 197 215 235 240 258 282 334 344 376 394 430 470 480 501 516 564 591 645 668 688 705 752 788 835 860 940 985 1002 1032 1128 1182 1290 1336 1376 1410 1504 1576 1670 1720 1880 1970 2004 2021 2064 2256 2364 2505 2580 2672 2820 2955 3152 3340 3440 3760 3940 4008 4042 4128 4512 4728 5010 5160 5344 5640 5910 6063 6304 6680 6880 7181 7520 7849 7880 8016 8084 8471 9259 9456 10020 10105 10320 11280 11820 12126 13360 14362 15698 15760 16032 16168 16942 18518 18912 20040 20210 20640 21543 22560 23547 23640 24252 25413 26720 27777 28724 30315 31396 31520 32336 32899 33884 35905 37036 39245 40080 40420 42355 43086 46295 47094 47280 48504 50826 55554 57448 60630 62792 64672 65798 67768 71810 74072 78490 80160 80840 84710 86172 92590 94188 94560 97008 98697 101652 107715 111108 114896 117735 121260 125584 127065 131596 135536 138885 143620 148144 156980 161680 164495 169420 172344 185180 188376 194016 197394 203304 215430 222216 229792 235470 242520 251168 254130 263192 271072 277770 287240 296288 313960 323360 328990 337507 338840 344688 370360 376752 394788 398137 406608 430860 444432 470940 485040 493485 508260 526384 555540 574480 627920 657980 675014 677680 689376 740720 753504 789576 796274 813216 861720 888864 941880 970080 986970 1012521 1016520 1052768 1111080 1148960 1194411 1255840 1315960 1350028 1355360 1414657 1481440 1546253 1579152 1592548 1687535 1723440 1883760 1973940 1990685 2025042 2033040 2222160 2388822 2631920 2700056 2829314 3092506 3158304 3185096 3375070 3446880 3767520 3947880 3981370 4050084 4066080 4243971 4444320 4638759 4777644 5062605 5263840 5400112 5658628 5972055 6185012 6370192 6750140 7073285 7731265 7895760 7962740 8100168 8487942 9277518 9555288 10125210 10800224 11317256 11944110 12370024 12740384 13500280 14146570 15462530 15791520 15925480 16200336 16975884 18555036 19110576 20250420 21219855 22634512 23193795 23888220 24740048 27000560 28293140 30925060 31850960 32400672 33951768 37110072 38221152 40500840 42439710 45269024 46387590 47776440 49480096 54001120 56586280 61850120 63701920 66488879 67903536 74220144 81001680 84879420 92775180 95552880 113172560 123700240 132977758 135807072 148440288 162003360 169758840 185550360 191105760 199466637 226345120 247400480 265955516 332444395 339517680 371100720 398933274 531911032 664888790 679035360 742201440 797866548 997333185 1063822064 1329777580 1595733096 1994666370 2127644128 2659555160 3191466192 3989332740 5319110320 6382932384 7978665480 10638220640 15957330960 31914661920
- Sum of all divisors σ(n): 106223394816
- Sum of proper divisors (its aliquot sum) s(n): 74308732896
- 31914661920 is an abundant number, because the sum of its proper divisors (74308732896) is greater than itself. Its abundance is 42394070976
Bases of 31914661920
- Binary: 111011011100100001100011000001000002
- Hexadecimal: 0x76E431820
- Base-36: ENT5YQO
Squares and roots of 31914661920
- 31914661920 squared (319146619202) is 1018545645467898086400
- 31914661920 cubed (319146619203) is 32506539925196147640470949888000
-
The
square root of 31914661920 is 178646.7517756761 -
The
cube root of 31914661920 is 3171.9773881573
Scales and comparisons
How big is 31914661920?- 31,914,661,920 seconds is equal to 1,014 years, 40 weeks, 6 days, 15 hours, 52 minutes.
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To count from 1 to 31,914,661,920 would take you about two thousand and twenty-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 31914661920 cubic inches would be around 264.3 feet tall.
Recreational maths with 31914661920
- 31914661920 backwards is 02916641913
- The number of decimal digits it has is: 11
- The sum of 31914661920's digits is 42
- More coming soon!
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