31397139323220

Names of 31397139323220

• Cardinal: 31397139323220 can be written as Thirty-one trillion, three hundred ninety-seven billion, one hundred thirty-nine million, three hundred twenty-three thousand, two hundred twenty.

Scientific notation

• Scientific notation: 3.139713932322 × 10¹³

Factors of 31397139323220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4710

Divisors of 31397139323220

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 33 37 44 55 60 61 66 74 110 111 122 132 148 165 183 185 220 222 244 305 330 366 370 407 444 555 610 660 671 732 740 814 915 1110 1220 1221 1342 1628 1830 2013 2035 2220 2257 2442 2684 3355 3660 4026 4070 4514 4591 4884 6105 6710 6771 8052 8140 9028 9182 10065 11285 12210 13420 13542 13773 18364 20130 22570 22955 24420 24827 27084 27546 33855 40260 45140 45910 49654 50501 55092 67710 68865 74481 91820 99308 101002 124135 135420 137730 148962 151503 169867 202004 248270 252505 275460 280051 297924 303006 339734 372405 496540 505010 509601 560102 606012 679468 744810 757515 840153 849335 1010020 1019202 1120204 1400255 1489620 1515030 1680306 1698670 1868537 2038404 2548005 2800510 3030060 3080561 3360612 3397340 3737074 4200765 5096010 5601020 5605611 6161122 7474148 8401530 9241683 9342685 10192020 10361887 11211222 12322244 15402805 16803060 18483366 18685370 20723774 21077281 22422444 28028055 30805610 31085661 36966732 37370740 41447548 42154562 46208415 51809435 56056110 61611220 62171322 63231843 84309124 92416830 103618870 105386405 112112220 113980757 124342644 126463686 155428305 184833660 207237740 210772810 227961514 231850091 252927372 310856610 316159215 341942271 421545620 455923028 463700182 569903785 621713220 632318430 683884542 695550273 779859397 927400364 1139807570 1159250455 1264636860 1285714141 1367769084 1391100546 1559718794 1709711355 2279615140 2318500910 2339578191 2571428282 2782201092 3119437588 3419422710 3477751365 3857142423 3899296985 4637001820 4679156382 5142856564 6428570705 6838845420 6955502730 7714284846 7798593970 8578453367 9358312764 11697890955 12857141410 13911005460 14142855551 15428569692 15597187940 17156906734 19285712115 23395781910 25714282820 25735360101 28285711102 34313813468 38571424230 42428566653 42892266835 46791563820 47571423217 51470720202 56571422204 70714277755 77142848460 84857133306 85784533670 95142846434 102941440404 128676800505 141428555510 142714269651 169714266612 171569067340 190285692868 212142833265 237857116085 257353601010 282857111020 285428539302 424285666530 475714232170 514707202020 523285655387 570857078604 713571348255 848571333060 951428464340 1046571310774 1427142696510 1569856966161 2093142621548 2616428276935 2854285393020 3139713932322 5232856553870 6279427864644 7849284830805 10465713107740 15698569661610 31397139323220
• Sum of all divisors σ(n): 100132487860608
• Sum of proper divisors (its aliquot sum) s(n): 68735348537388
• 31397139323220 is an abundant number, because the sum of its proper divisors (68735348537388) is greater than itself. Its abundance is 37338209214168

Bases of 31397139323220

• Binary: 111001000111000110111010101100001100101010100₂
• Hexadecimal: 0x1C8E37561954
• Base-36: B4NNA3PEC

Squares and roots of 31397139323220

• 31397139323220 squared (31397139323220²) is 985780357681687639631168400
• 31397139323220 cubed (31397139323220³) is 30950683232225591785956781868793850248000
• The square root of 31397139323220 is 5603315.0298033395
• The cube root of 31397139323220 is 31547.3845758507

Scales and comparisons

• 31,397,139,323,220 seconds is equal to 998,331 years, 47 weeks, 3 days, 5 hours, 47 minutes.
• To count from 1 to 31,397,139,323,220 would take you about two million, four hundred ninety-five thousand, eight hundred 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 31397139323220 cubic inches would be around 2628.9 feet tall.

Recreational maths with 31397139323220

• 31397139323220 backwards is 02232393179313
• The number of decimal digits it has is: 14
• The sum of 31397139323220's digits is 48
• More coming soon!