31399945824

Names of 31399945824

• Cardinal: 31399945824 can be written as Thirty-one billion, three hundred ninety-nine million, nine hundred forty-five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 3.1399945824 × 10¹⁰

Factors of 31399945824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 71

Divisors of 31399945824

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 53 78 96 104 106 156 159 169 208 212 312 318 338 416 424 507 624 636 676 689 848 1014 1248 1272 1352 1378 1696 2028 2067 2197 2544 2704 2756 2809 4056 4134 4394 5088 5408 5512 5618 6591 8112 8268 8427 8788 8957 11024 11236 13182 16224 16536 16854 17576 17914 22048 22472 26364 26871 33072 33708 35152 35828 36517 44944 52728 53742 66144 67416 70304 71656 73034 89888 105456 107484 109551 116441 134832 143312 146068 148877 210912 214968 219102 232882 269664 286624 292136 297754 349323 429936 438204 446631 465764 474721 584272 595508 698646 859872 876408 893262 931528 949442 1168544 1191016 1397292 1424163 1752816 1786524 1863056 1898884 1935401 2382032 2794584 2848326 3505632 3573048 3726112 3797768 3870802 4764064 5589168 5696652 5806203 6171373 7146096 7595536 7741604 11178336 11393304 11612406 12342746 14292192 15191072 15483208 18514119 22786608 23224812 24685492 25160213 30966416 37028238 45573216 46449624 49370984 50320426 61932832 74056476 75480639 92899248 98741968 100640852 148112952 150961278 185798496 197483936 201281704 296225904 301922556 327082769 402563408 592451808 603845112 654165538 805126816 981248307 1207690224 1308331076 1962496614 2415380448 2616662152 3924993228 5233324304 7849986456 10466648608 15699972912 31399945824
• Sum of all divisors σ(n): 91007582400
• Sum of proper divisors (its aliquot sum) s(n): 59607636576
• 31399945824 is an abundant number, because the sum of its proper divisors (59607636576) is greater than itself. Its abundance is 28207690752

Bases of 31399945824

• Binary: 11101001111100101010010011001100000₂
• Hexadecimal: 0x74F952660
• Base-36: EFAPT9C

Squares and roots of 31399945824

• 31399945824 squared (31399945824²) is 985956597750135038976
• 31399945824 cubed (31399945824³) is 30958983754169600512530528436224
• The square root of 31399945824 is 177200.2986001999
• The cube root of 31399945824 is 3154.8324524769

Scales and comparisons

• 31,399,945,824 seconds is equal to 998 years, 21 weeks, 6 days, 7 hours, 10 minutes, 24 seconds.
• To count from 1 to 31,399,945,824 would take you about one thousand, nine hundred ninety-six 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 31399945824 cubic inches would be around 262.9 feet tall.

Recreational maths with 31399945824

• 31399945824 backwards is 42854999313
• The number of decimal digits it has is: 11
• The sum of 31399945824's digits is 57
• More coming soon!