31985981028225

Names of 31985981028225

• Cardinal: 31985981028225 can be written as Thirty-one trillion, nine hundred eighty-five billion, nine hundred eighty-one million, twenty-eight thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 3.1985981028225 × 10¹³

Factors of 31985981028225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 959

Divisors of 31985981028225

• Number of divisors d(n): 243
• Complete list of divisors:
  1 3 5 7 9 15 21 25 35 45 49 61 63 75 105 147 175 183 225 245 305 315 427 441 525 549 735 883 915 1225 1281 1525 1575 2135 2205 2649 2745 2989 3675 3721 3843 4415 4575 6181 6405 7947 8967 10675 11025 11163 13245 13725 14945 18543 18605 19215 22075 26047 26901 30905 32025 33489 39735 43267 44835 53863 55629 55815 66225 74725 78141 92715 93025 96075 129801 130235 134505 154525 161589 167445 182329 198675 216335 224175 234423 269315 278145 279075 377041 389403 390705 463575 484767 546987 649005 651175 672525 779689 807945 837225 911645 1081675 1131123 1172115 1346575 1390725 1640961 1885205 1947015 1953525 2339067 2423835 2639287 2734935 3245025 3285643 3393369 3898445 4039725 4558225 5457823 5655615 5860575 7017201 7917861 8204805 9426025 9735075 9856929 11695335 12119175 13196435 13674675 16373469 16428215 16966845 19492225 22999501 23753583 27289115 28278075 29570787 35086005 38204761 39589305 41024025 47561029 49120407 49284645 58476675 65982175 68998503 81867345 82141075 84834225 114614283 114997505 118767915 136445575 142683087 147853935 160996507 175430025 191023805 197946525 206995509 237805145 245602035 246423225 332927203 343842849 344992515 409336725 428049261 482989521 573071415 574987525 593839575 713415435 739269675 804982535 955119025 998781609 1034977545 1189025725 1228010175 1448968563 1664636015 1719214245 1724962575 2140246305 2330490421 2414947605 2865357075 2901222769 2996344827 3567077175 4024912675 4993908045 5174887725 6991471263 7244842815 8323180075 8596071225 8703668307 10701231525 11652452105 12074738025 14506113845 14981724135 20308559383 20974413789 24969540225 26111004921 34957356315 36224214075 43518341535 58262260525 60925678149 72530569225 74908620675 101542796915 104872068945 130555024605 142159915681 174786781575 182777034447 217591707675 304628390745 426479747043 507713984575 524360344725 652775123025 710799578405 913885172235 1279439241129 1523141953725 2132398735215 3553997892025 4569425861175 6397196205645 10661993676075 31985981028225
• Sum of all divisors σ(n): 67831241834889
• Sum of proper divisors (its aliquot sum) s(n): 35845260806664
• 31985981028225 is an abundant number, because the sum of its proper divisors (35845260806664) is greater than itself. Its abundance is 3859279778439

Bases of 31985981028225

• Binary: 111010001011101010001000010010111011110000001₂
• Hexadecimal: 0x1D1751097781
• Base-36: BC65N90U9

Squares and roots of 31985981028225

• 31985981028225 squared (31985981028225²) is 1023102982337969628246650625
• 31985981028225 cubed (31985981028225³) is 32724952582982713784163622962149838890625
• 31985981028225 is a perfect square number. Its square root is 5655615
• The cube root of 31985981028225 is 31743.3841683081

Scales and comparisons

• 31,985,981,028,225 seconds is equal to 1,017,055 years, 13 weeks, 2 days, 18 hours, 3 minutes, 45 seconds.
• To count from 1 to 31,985,981,028,225 would take you about two million, five hundred forty-two thousand, six hundred thirty-eight 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 31985981028225 cubic inches would be around 2645.3 feet tall.

Recreational maths with 31985981028225

• 31985981028225 backwards is 52282018958913
• 31985981028225 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31985981028225's digits is 63
• More coming soon!