31938016785129

Names of 31938016785129

• Cardinal: 31938016785129 can be written as Thirty-one trillion, nine hundred thirty-eight billion, sixteen million, seven hundred eighty-five thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 3.1938016785129 × 10¹³

Factors of 31938016785129

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 313

Divisors of 31938016785129

• Number of divisors d(n): 243
• Complete list of divisors:
  1 3 7 9 13 21 39 49 63 91 117 127 147 163 169 273 381 441 489 507 637 819 889 1141 1143 1183 1467 1521 1651 1911 2119 2667 3423 3549 4953 5733 6223 6357 7987 8001 8281 10269 10647 11557 14833 14859 16129 18669 19071 20701 21463 23961 24843 26569 27547 34671 44499 48387 56007 62103 64389 71883 74529 79707 80899 82641 103831 104013 112903 133497 144907 145161 150241 185983 186309 192829 193167 209677 239121 242697 247923 269113 311493 338709 345397 434721 450723 557949 578487 629031 728091 790321 807339 934479 1014349 1016127 1036191 1051687 1301881 1304163 1349803 1352169 1467739 1673847 1735461 1883791 1887093 2370963 2417779 2422017 2629027 2725801 3043047 3108573 3155061 3374263 3498469 3905643 4049409 4403217 4490161 5651373 7112889 7253337 7887081 8177403 9129141 9465183 10122789 10274173 10495407 11716929 12148227 13186537 13209651 13470483 16924453 16954119 18403189 19080607 21760011 23619841 23661243 24489283 24532209 30368367 30822519 31431127 31486221 34177351 39559611 40411449 43865419 50773359 55209567 57241821 70859523 73467849 92467557 94293381 102532053 118678833 128822323 131596257 133564249 152320077 165338887 165628701 171424981 171725463 212578569 220017889 220403547 239241457 282880143 307057933 307596159 386466969 394788771 400692747 428531401 444305563 496016661 514274943 570250447 660053667 717724371 921173799 1159400907 1202078241 1285594203 1332916689 1488049983 1542824829 1674690199 1710751341 1980161001 2149405531 2153173113 2763521397 2999719807 3110138941 3856782609 3991753129 3998750067 5024070597 5132254023 5570908213 6448216593 8999159421 9330416823 11975259387 15072211791 16712724639 19344649779 20998038649 21770972587 26997478263 27942271903 27991250469 35925778161 38996357491 50138173917 62994115947 65312917761 72421806769 83826815709 116989072473 188982347841 195938753283 217265420307 251480447127 272974502437 350967217419 506952647383 651796260921 818923507311 1520857942149 2456770521933 3548668531681 4562573826447 10646005595043 31938016785129
• Sum of all divisors σ(n): 58932844258743
• Sum of proper divisors (its aliquot sum) s(n): 26994827473614
• 31938016785129 is a deficient number, because the sum of its proper divisors (26994827473614) is less than itself. Its deficiency is 4943189311515

Bases of 31938016785129

• Binary: 111010000110000100110001001010011001011101001₂
• Hexadecimal: 0x1D0C262532E9
• Base-36: BBK4EKU09

Squares and roots of 31938016785129

• 31938016785129 squared (31938016785129²) is 1020036916167181744555546641
• 31938016785129 cubed (31938016785129³) is 32577956149998673185946197430156034701689
• 31938016785129 is a perfect square number. Its square root is 5651373
• The cube root of 31938016785129 is 31727.5094108821

Scales and comparisons

• 31,938,016,785,129 seconds is equal to 1,015,530 years, 7 weeks, 3 days, 1 hour, 12 minutes, 9 seconds.
• To count from 1 to 31,938,016,785,129 would take you about two million, five hundred thirty-eight thousand, eight hundred twenty-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 31938016785129 cubic inches would be around 2644 feet tall.

Recreational maths with 31938016785129

• 31938016785129 backwards is 92158761083913
• 31938016785129 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31938016785129's digits is 63
• More coming soon!