31172871075021

Names of 31172871075021

• Cardinal: 31172871075021 can be written as Thirty-one trillion, one hundred seventy-two billion, eight hundred seventy-one million, seventy-five thousand and twenty-one.

Scientific notation

• Scientific notation: 3.1172871075021 × 10¹³

Factors of 31172871075021

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 31562

Divisors of 31172871075021

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 13 31 39 61 67 93 117 183 201 279 403 549 603 793 871 1209 1891 2077 2379 2613 3627 4087 4489 5673 6231 7137 7839 12261 13467 17019 18693 24583 27001 31387 36783 40401 53131 58357 73749 81003 94161 126697 139159 159393 175071 221247 243009 273829 282483 380091 408031 417477 478179 525213 821487 972997 1140273 1224093 1252431 1647061 1809067 1914607 2102929 2464461 2918991 3559777 3672279 4941183 5427201 5743821 6308787 8488699 8756973 10679331 12648961 14823549 16281603 17231463 18926361 24889891 25466097 27338077 32037993 37946883 59352817 65190799 74669673 76398291 82014231 110353087 113840649 128278669 140896243 178058451 195572397 224009019 246042693 331059261 384836007 422688729 534175353 586717191 771586621 847480387 993177783 1154508021 1268066187 1667622697 1831651159 2314759863 2542441161 3976638739 4367783533 5002868091 5494953477 6944279589 7627323483 8594670823 11929916217 13103350599 15008604273 16484860431 25784012469 35789748651 39310051797 51696303607 56781185929 77352037407 111730720699 155088910821 170343557787 266434795513 335192162097 465266732463 511030673361 799304386539 1005576486291 2397913159617 3463652341669 10390957025007 31172871075021
• Sum of all divisors σ(n): 51648263966208
• Sum of proper divisors (its aliquot sum) s(n): 20475392891187
• 31172871075021 is a deficient number, because the sum of its proper divisors (20475392891187) is less than itself. Its deficiency is 10697478183834

Bases of 31172871075021

• Binary: 111000101100111111111111010000011010011001101₂
• Hexadecimal: 0x1C59FFE834CD
• Base-36: B1SMAKTL9

Squares and roots of 31172871075021

• 31172871075021 squared (31172871075021²) is 971747891059880916210150441
• 31172871075021 cubed (31172871075021³) is 30292171725433219611584154802887807234261
• The square root of 31172871075021 is 5583267.0610513519
• The cube root of 31172871075021 is 31472.0912037031

Scales and comparisons

• 31,172,871,075,021 seconds is equal to 991,200 years, 45 weeks, 3 days, 22 hours, 10 minutes, 21 seconds.
• To count from 1 to 31,172,871,075,021 would take you about two million, four hundred seventy-eight thousand and two 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 31172871075021 cubic inches would be around 2622.7 feet tall.

Recreational maths with 31172871075021

• 31172871075021 backwards is 12057017827113
• The number of decimal digits it has is: 14
• The sum of 31172871075021's digits is 45
• More coming soon!