31489450391684961

Names of 31489450391684961

• Cardinal: 31489450391684961 can be written as Thirty-one quadrillion, four hundred eighty-nine trillion, four hundred fifty billion, three hundred ninety-one million, six hundred eighty-four thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 3.1489450391684961 × 10¹⁶

Factors of 31489450391684961

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 32993

Divisors of 31489450391684961

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 9 13 39 43 47 117 129 141 387 423 559 611 1567 1677 1833 2021 3001 4701 5031 5499 6063 9003 14103 18189 20371 26273 27009 28319 39013 61113 67381 73649 78819 84957 117039 129043 141047 183339 202143 220947 236457 254871 351117 368147 387129 423141 606429 662841 875953 957437 1104441 1161387 1217717 1269423 1330993 1677559 1833611 2627859 2872311 3166907 3313323 3653151 3992979 4702567 5032677 5500833 6065021 7883577 8616933 9500721 10959453 11978937 14107701 15098031 15830321 16502499 17302909 18195063 28502163 41169791 42323103 44375873 47490963 51908727 54585189 57232699 61133371 78845273 84985319 123509373 133127619 142472889 155726181 171698097 183400113 202210381 221020649 236535819 254955957 370528119 399382857 515094291 550200339 576886349 606631143 663061947 709607457 744025087 764867871 1104809147 1730659047 1819893429 1908162539 1989185841 2085666031 2232075261 2628734953 2873268437 3314427441 3654368717 3994309993 5191977141 5724487617 6256998093 6696225783 7886204859 8619805311 9503887907 9943282323 10963106151 11982929979 17173462851 18770994279 23658614577 24806113007 25859415933 27113658403 28511663721 32889318453 35948789937 47506793321 51926029909 74418339021 81340975209 85534991163 89683639333 123550542791 133171994873 142520379963 155778089727 171755329699 223255017063 244022925627 269050917999 370651628373 399515984619 427561139889 467334269181 515265989097 807152753997 1111954885119 1165887311329 1198547953857 1545797967291 1731235933349 2232819286087 3497661933987 5193707800047 5726395779539 6259083759031 6698457858261 10492985801961 15581123400141 17179187338617 18777251277093 20095373574783 51537562015851 56331753831279 74443145134007 81368088867403 223329435402021 244104266602209 269140601638333 669988306206063 732312799806627 807421804914999 2422265414744997 3498827821298329 10496483463894987 31489450391684961
• Sum of all divisors σ(n): 51240728682823680
• Sum of proper divisors (its aliquot sum) s(n): 19751278291138719
• 31489450391684961 is a deficient number, because the sum of its proper divisors (19751278291138719) is less than itself. Its deficiency is 11738172100546242

Bases of 31489450391684961

• Binary: 1101111110111110111110100000000110001001100011101100001₂
• Hexadecimal: 0x6FDF7D00C4C761
• Base-36: 8M22TSXOYU9

Squares and roots of 31489450391684961

• 31489450391684961 squared (31489450391684961²) is 991585485970388143740008673571521
• 31489450391684961 cubed (31489450391684961³) is 31224481969579361333371343361664423400972933595681
• The square root of 31489450391684961 is 177452670.8496802565
• The cube root of 31489450391684961 is 315782.7192690627

Scales and comparisons

• 31,489,450,391,684,961 seconds is equal to 1,001,267,119 years, 9 weeks, 6 days, 5 hours, 49 minutes, 21 seconds.
• To count from 1 to 31,489,450,391,684,961 would take you about three billion, three million, eight hundred one thousand, three hundred fifty-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 31489450391684961 cubic inches would be around 26315.2 feet tall.

Recreational maths with 31489450391684961

• 31489450391684961 backwards is 16948619305498413
• The number of decimal digits it has is: 17
• The sum of 31489450391684961's digits is 81
• More coming soon!