31438597783890231

Names of 31438597783890231

• Cardinal: 31438597783890231 can be written as Thirty-one quadrillion, four hundred thirty-eight trillion, five hundred ninety-seven billion, seven hundred eighty-three million, eight hundred ninety thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 3.1438597783890231 × 10¹⁶

Factors of 31438597783890231

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4763

Divisors of 31438597783890231

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 9 11 27 33 81 97 99 121 243 291 297 363 709 873 891 1067 1089 2127 2619 2673 3201 3267 3943 6381 7799 7857 9603 9801 11737 11829 19143 23397 23571 28809 29403 35211 35487 43373 57429 68773 70191 85789 86427 105633 106461 130119 172287 206319 210573 257367 259281 316899 319383 382471 390357 477103 618957 631719 756503 772101 950697 958149 1147413 1171071 1431309 1856871 1895157 2269509 2316303 2795587 2852091 3442239 3513213 4207181 4293927 5570613 6808527 6948909 8321533 8386761 10326717 10539639 12621543 12881781 15547249 16711839 20425581 20846727 24964599 25160283 30751457 30980151 37864629 38645343 46278991 46641747 61276743 74893797 75480849 92254371 92940453 113593887 115936029 138836973 139925241 171019739 183830229 224681391 226442547 271171939 276763113 338266027 340781661 416510919 419775723 513059217 674044173 679327641 813515817 830289339 1014798081 1022344983 1249532757 1259327169 1508083153 1539177651 1881217129 2022132519 2440547451 2490868017 2982891329 3044394243 3748598271 3777981507 4524249459 4617532953 5643651387 7321642353 7472604051 8948673987 9133182729 11022999541 11245794813 13572748377 13852598859 16588914683 16930954161 21964927059 26846021961 27399548187 32811804619 33068998623 40718245131 41557796577 49766744049 50792862483 65894781177 80538065883 82198644561 98435413857 99206995869 121252994951 122154735393 149300232147 152378587449 182478061513 241614197649 295306241571 297620987607 363758984853 366464206179 447900696441 457135762347 547434184539 724842592947 885918724713 892862962821 1069230955477 1091276954559 1333782944461 1343702089323 1642302553617 2657756174139 2678588888463 3207692866431 3273830863677 4001348833383 4031106267969 4926907660851 7973268522417 9623078599293 9821492591031 11761540510247 12004046500149 14780722982553 28869235797879 29464477773093 35284621530741 36012139500447 44342168947659 86607707393637 105853864592223 108036418501341 129376945612717 259823122180911 317561593776669 324109255504023 388130836838151 952684781330007 1164392510514453 2858054343990021 3493177531543359 10479532594630077 31438597783890231
• Sum of all divisors σ(n): 52384301856803280
• Sum of proper divisors (its aliquot sum) s(n): 20945704072913049
• 31438597783890231 is a deficient number, because the sum of its proper divisors (20945704072913049) is less than itself. Its deficiency is 10492893710977182

Bases of 31438597783890231

• Binary: 1101111101100010011110011110101001001010010100100110111₂
• Hexadecimal: 0x6FB13CF5252937
• Base-36: 8LK1WFRZKFR

Squares and roots of 31438597783890231

• 31438597783890231 squared (31438597783890231²) is 988385430617227743775708257233361
• 31438597783890231 cubed (31438597783890231³) is 31073452008632167817356878936680729385783775196391
• The square root of 31438597783890231 is 177309327.9663826119
• The cube root of 31438597783890231 is 315612.6408607023

Scales and comparisons

• 31,438,597,783,890,231 seconds is equal to 999,650,163 years, 29 weeks, 18 hours, 23 minutes, 51 seconds.
• To count from 1 to 31,438,597,783,890,231 would take you about two billion, nine hundred ninety-eight million, nine hundred fifty thousand, four hundred ninety 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 31438597783890231 cubic inches would be around 26301.1 feet tall.

Recreational maths with 31438597783890231

• 31438597783890231 backwards is 13209838779583413
• 31438597783890231 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 31438597783890231's digits is 81
• More coming soon!