31809713472

Names of 31809713472

• Cardinal: 31809713472 can be written as Thirty-one billion, eight hundred nine million, seven hundred thirteen thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 3.1809713472 × 10¹⁰

Factors of 31809713472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 360971

Divisors of 31809713472

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 81 96 102 108 136 144 153 162 192 204 216 272 288 306 324 408 432 459 544 576 612 648 816 864 918 1088 1224 1296 1377 1632 1728 1836 2448 2592 2754 3264 3672 4896 5184 5508 7344 9792 11016 14688 22032 29376 44064 88128 360949 721898 1082847 1443796 2165694 2887592 3248541 4331388 5775184 6136133 6497082 8662776 9745623 11550368 12272266 12994164 17325552 18408399 19491246 23100736 24544532 25988328 29236869 34651104 36816798 38982492 49089064 51976656 55225197 58473738 69302208 73633596 77964984 98178128 103953312 110450394 116947476 147267192 155929968 165675591 196356256 207906624 220900788 233894952 294534384 311859936 331351182 392712512 441801576 467789904 497026773 589068768 623719872 662702364 883603152 935579808 994053546 1178137536 1325404728 1767206304 1871159616 1988107092 2650809456 3534412608 3976214184 5301618912 7952428368 10603237824 15904856736 31809713472
• Sum of all divisors σ(n): 99840935700
• Sum of proper divisors (its aliquot sum) s(n): 68031222228
• 31809713472 is an abundant number, because the sum of its proper divisors (68031222228) is greater than itself. Its abundance is 36221508756

Bases of 31809713472

• Binary: 11101101000000000011011010101000000₂
• Hexadecimal: 0x76801B540
• Base-36: EM2OK00

Squares and roots of 31809713472

• 31809713472 squared (31809713472²) is 1011857871170738294784
• 31809713472 cubed (31809713472³) is 32186908956329074347776912130048
• The square root of 31809713472 is 178352.7781448891
• The cube root of 31809713472 is 3168.4966507859

Scales and comparisons

• 31,809,713,472 seconds is equal to 1,011 years, 23 weeks, 2 days, 23 hours, 31 minutes, 12 seconds.
• To count from 1 to 31,809,713,472 would take you about two thousand and twenty-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 31809713472 cubic inches would be around 264 feet tall.

Recreational maths with 31809713472

• 31809713472 backwards is 27431790813
• The number of decimal digits it has is: 11
• The sum of 31809713472's digits is 45
• More coming soon!