31885493913

Names of 31885493913

• Cardinal: 31885493913 can be written as Thirty-one billion, eight hundred eighty-five million, four hundred ninety-three thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 3.1885493913 × 10¹⁰

Factors of 31885493913

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3340

Divisors of 31885493913

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 7 9 13 17 21 27 39 51 63 79 81 91 117 119 153 189 221 237 273 351 357 459 553 567 663 711 819 1027 1053 1071 1343 1377 1547 1659 1989 2133 2457 3081 3213 3221 4029 4641 4977 5967 6399 7189 7371 9243 9401 9639 9663 12087 13923 14931 17459 17901 21567 22547 27729 28203 28989 36261 41769 41873 44793 52377 54757 64701 67641 83187 84609 86967 108783 122213 125307 125619 157131 164271 194103 202923 253827 254459 260901 293111 366639 376857 383299 471393 492813 582309 608769 711841 761481 763377 879333 1099917 1130571 1149897 1414179 1478439 1781213 1826307 2135523 2290131 2637999 3299751 3307967 3391713 3449691 4325803 4435317 4982887 5343639 6406569 6870393 7913997 9899253 9923901 10349073 12977409 14948661 16030917 19219707 20611179 23155769 23741991 29771703 30280621 31047219 38932227 44845983 48092751 56235439 57659121 69467307 89315109 90841863 116796681 134537949 144278253 168706317 208401921 267945327 272525589 350390043 393648073 403613847 506118951 625205763 817576767 1180944219 1518356853 1875617289 2452730301 3542832657 4555070559 10628497971 31885493913
• Sum of all divisors σ(n): 62876943360
• Sum of proper divisors (its aliquot sum) s(n): 30991449447
• 31885493913 is a deficient number, because the sum of its proper divisors (30991449447) is less than itself. Its deficiency is 894044466

Bases of 31885493913

• Binary: 11101101100100001100000011010011001₂
• Hexadecimal: 0x76C860699
• Base-36: ENBSSK9

Squares and roots of 31885493913

• 31885493913 squared (31885493913²) is 1016684722075960051569
• 31885493913 cubed (31885493913³) is 32417494517193120947934515599497
• The square root of 31885493913 is 178565.0971298703
• The cube root of 31885493913 is 3171.0107639025

Scales and comparisons

• 31,885,493,913 seconds is equal to 1,013 years, 44 weeks, 5 days, 1 hour, 38 minutes, 33 seconds.
• To count from 1 to 31,885,493,913 would take you about two thousand and twenty-seven 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 31885493913 cubic inches would be around 264.3 feet tall.

Recreational maths with 31885493913

• 31885493913 backwards is 31939458813
• The number of decimal digits it has is: 11
• The sum of 31885493913's digits is 54
• More coming soon!