31585409973

Names of 31585409973

• Cardinal: 31585409973 can be written as Thirty-one billion, five hundred eighty-five million, four hundred nine thousand, nine hundred seventy-three.

Scientific notation

• Scientific notation: 3.1585409973 × 10¹⁰

Factors of 31585409973

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 94

Divisors of 31585409973

• Number of divisors d(n): 140
• Complete list of divisors:
  1 3 9 13 27 37 39 41 81 111 117 123 169 243 333 351 369 481 507 533 729 999 1053 1107 1443 1517 1521 1599 2197 2997 3159 3321 4329 4551 4563 4797 6253 6591 6929 8991 9477 9963 12987 13653 13689 14391 18759 19721 19773 20787 26973 28561 29889 38961 40959 41067 43173 56277 59163 59319 62361 81289 85683 90077 116883 122877 123201 129519 168831 177489 177957 187083 243867 256373 257049 270231 350649 368631 388557 506493 532467 533871 561249 731601 769119 771147 810693 1056757 1105893 1171001 1519479 1597401 1601613 1683747 2194803 2307357 2313441 2432079 3170271 3332849 3513003 4558437 4792203 5051241 6584409 6922071 6940323 7296237 9510813 9998547 10539009 14376609 19753227 20766213 20820969 21888711 28532439 29995641 31617027 43327037 59259681 62298639 65666133 85597317 89986923 94851081 129981111 186895917 256791951 269960769 284553243 389943333 770375853 809882307 853659729 1169829999 2429646921 3509489997 10528469991 31585409973
• Sum of all divisors σ(n): 53974346748
• Sum of proper divisors (its aliquot sum) s(n): 22388936775
• 31585409973 is a deficient number, because the sum of its proper divisors (22388936775) is less than itself. Its deficiency is 9196473198

Bases of 31585409973

• Binary: 11101011010101000110001101110110101₂
• Hexadecimal: 0x75AA31BB5
• Base-36: EID4YB9

Squares and roots of 31585409973

• 31585409973 squared (31585409973²) is 997638123162487860729
• 31585409973 cubed (31585409973³) is 31510809124781446375761191650317
• The square root of 31585409973 is 177722.8459512171
• The cube root of 31585409973 is 3161.0316149593

Scales and comparisons

• 31,585,409,973 seconds is equal to 1,004 years, 16 weeks, 3 days, 20 hours, 59 minutes, 33 seconds.
• To count from 1 to 31,585,409,973 would take you about two thousand and 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 31585409973 cubic inches would be around 263.4 feet tall.

Recreational maths with 31585409973

• 31585409973 backwards is 37990458513
• The number of decimal digits it has is: 11
• The sum of 31585409973's digits is 54
• More coming soon!