31398849213840

Names of 31398849213840

• Cardinal: 31398849213840 can be written as Thirty-one trillion, three hundred ninety-eight billion, eight hundred forty-nine million, two hundred thirteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.139884921384 × 10¹³

Factors of 31398849213840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 364

Divisors of 31398849213840

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 37 40 45 48 60 72 74 80 90 111 120 144 148 180 185 222 240 296 317 333 360 370 444 555 592 634 666 720 740 888 951 1110 1268 1332 1369 1480 1585 1665 1776 1902 2220 2536 2664 2738 2853 2960 3170 3330 3804 4107 4440 4755 5072 5328 5476 5706 6340 6660 6845 7608 8214 8880 9510 10952 11412 11729 12321 12680 13320 13690 14265 15216 16428 19020 20535 21904 22824 23458 24642 25360 26640 27380 28530 32856 35187 38040 41070 45648 46916 49284 54760 57060 58645 61605 65712 70374 76080 82140 93832 98568 100489 105561 109520 114120 117290 123210 140748 164280 175935 187664 197136 200978 211122 228240 234580 246420 281496 301467 328560 351870 401956 422244 433973 469160 492840 502445 527805 562992 602934 703740 803912 844488 867946 904401 938320 985680 1004890 1055610 1205868 1301919 1407480 1507335 1607824 1688976 1735892 1808802 2009780 2111220 2169865 2411736 2603838 2814960 3014670 3471784 3617604 3718093 3905757 4019560 4222440 4339730 4522005 4823472 5207676 6029340 6509595 6943568 7235208 7436186 7811514 8039120 8444880 8679460 9044010 10415352 11154279 12058680 13019190 14470416 14872372 15623028 17358920 18088020 18590465 19528785 20830704 22308558 24117360 26038380 29744744 31246056 31855013 33462837 34717840 36176040 37180930 39057570 44617116 52076760 55771395 59489488 62492112 63710026 66925674 72352080 74361860 78115140 89234232 95565039 104153520 111542790 127420052 133851348 137569441 148723720 156230280 159275065 167314185 178468464 191130078 223085580 254840104 267702696 275138882 286695117 297447440 312460560 318550130 334628370 382260156 412708323 446171160 477825195 509680208 535405392 550277764 573390234 637100260 669256740 687847205 764520312 825416646 892342320 955650390 1100555528 1146780468 1178635481 1238124969 1274200520 1338513480 1375694410 1433475585 1529040624 1650833292 1911300780 2063541615 2201111056 2293560936 2357270962 2476249938 2548401040 2677026960 2751388820 2866951170 3301666584 3535906443 3822601560 4127083230 4587121872 4714541924 4952499876 5502777640 5733902340 5893177405 6190624845 6603333168 7071812886 7645203120 8254166460 9429083848 9904999752 10607719329 11005555280 11467804680 11786354810 12381249690 14143625772 16508332920 17679532215 18858167696 19809999504 21215438658 22935609360 23572709620 24762499380 28287251544 33016665840 35359064430 42430877316 43609512797 47145419240 49524998760 53038596645 56574503088 70718128860 84861754632 87219025594 94290838480 99049997520 106077193290 130828538391 141436257720 169723509264 174438051188 212154386580 218047563985 261657076782 282872515440 348876102376 392485615173 424308773160 436095127970 523314153564 654142691955 697752204752 784971230346 848617546320 872190255940 1046628307128 1308285383910 1569942460692 1744380511880 1962428075865 2093256614256 2616570767820 3139884921384 3488761023760 3924856151730 5233141535640 6279769842768 7849712303460 10466283071280 15699424606920 31398849213840
• Sum of all divisors σ(n): 108717726073320
• Sum of proper divisors (its aliquot sum) s(n): 77318876859480
• 31398849213840 is an abundant number, because the sum of its proper divisors (77318876859480) is greater than itself. Its abundance is 45920027645640

Bases of 31398849213840

• Binary: 111001000111010011101010000001111010110010000₂
• Hexadecimal: 0x1C8E9D40F590
• Base-36: B4OFK4LG0

Squares and roots of 31398849213840

• 31398849213840 squared (31398849213840²) is 985887731953460786047545600
• 31398849213840 cubed (31398849213840³) is 30955740237381422849456245603421551104000
• The square root of 31398849213840 is 5603467.6062095693
• The cube root of 31398849213840 is 31547.9572564509

Scales and comparisons

• 31,398,849,213,840 seconds is equal to 998,386 years, 14 weeks, 4 days, 15 hours, 24 minutes.
• To count from 1 to 31,398,849,213,840 would take you about two million, four hundred ninety-five thousand, nine hundred sixty-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 31398849213840 cubic inches would be around 2629 feet tall.

Recreational maths with 31398849213840

• 31398849213840 backwards is 04831294889313
• The number of decimal digits it has is: 14
• The sum of 31398849213840's digits is 63
• More coming soon!