31485411972

Names of 31485411972

• Cardinal: 31485411972 can be written as Thirty-one billion, four hundred eighty-five million, four hundred eleven thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 3.1485411972 × 10¹⁰

Factors of 31485411972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 380

Divisors of 31485411972

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 97 98 126 147 194 196 252 271 291 294 343 388 441 542 582 588 679 686 813 873 882 1029 1084 1164 1358 1372 1626 1746 1764 1897 2037 2058 2439 2716 3087 3252 3492 3794 4074 4116 4753 4878 5691 6111 6174 7588 8148 9409 9506 9756 11382 12222 12348 13279 14259 17073 18818 19012 22764 24444 26287 26558 28227 28518 33271 34146 37636 39837 42777 52574 53116 56454 57036 65863 66542 68292 78861 79674 84681 85554 92953 99813 105148 112908 119511 131726 133084 157722 159348 169362 171108 184009 185906 197589 199626 236583 239022 263452 278859 299439 315444 338724 368018 371812 395178 399252 461041 473166 478044 552027 557718 592767 598878 736036 790356 836577 922082 946332 1104054 1115436 1185534 1197756 1288063 1383123 1656081 1673154 1844164 2208108 2371068 2549839 2576126 2766246 3227287 3312162 3346308 3864189 4149369 5099678 5152252 5532492 6454574 6624324 7649517 7728378 8298738 9016441 9681861 10199356 11592567 12909148 15299034 15456756 16597476 17848873 18032882 19363722 22948551 23185134 27049323 29045583 30598068 35697746 36065764 38727444 45897102 46370268 53546619 54098646 58091166 71395492 81147969 91794204 107093238 108197292 116182332 124942111 160639857 162295938 214186476 249884222 321279714 324591876 374826333 499768444 642559428 749652666 874594777 1124478999 1499305332 1749189554 2248957998 2623784331 3498379108 4497915996 5247568662 7871352993 10495137324 15742705986 31485411972
• Sum of all divisors σ(n): 94126905600
• Sum of proper divisors (its aliquot sum) s(n): 62641493628
• 31485411972 is an abundant number, because the sum of its proper divisors (62641493628) is greater than itself. Its abundance is 31156081656

Bases of 31485411972

• Binary: 11101010100101011010100001010000100₂
• Hexadecimal: 0x754AD4284
• Base-36: EGPLND0

Squares and roots of 31485411972

• 31485411972 squared (31485411972²) is 991331167046560928784
• 31485411972 cubed (31485411972³) is 31212470195144521348563193002048
• The square root of 31485411972 is 177441.2916206371
• The cube root of 31485411972 is 3157.6921932275

Scales and comparisons

• 31,485,411,972 seconds is equal to 1,001 years, 7 weeks, 1 day, 11 hours, 46 minutes, 12 seconds.
• To count from 1 to 31,485,411,972 would take you about two 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 31485411972 cubic inches would be around 263.1 feet tall.

Recreational maths with 31485411972

• 31485411972 backwards is 27911458413
• The number of decimal digits it has is: 11
• The sum of 31485411972's digits is 45
• More coming soon!