31157476812

Names of 31157476812

• Cardinal: 31157476812 can be written as Thirty-one billion, one hundred fifty-seven million, four hundred seventy-six thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 3.1157476812 × 10¹⁰

Factors of 31157476812

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6145

Divisors of 31157476812

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 43 44 63 66 77 84 86 99 126 129 132 154 172 198 231 252 258 301 308 387 396 462 473 516 602 693 774 903 924 946 1204 1386 1419 1548 1806 1849 1892 2709 2772 2838 3311 3612 3698 4257 5418 5547 5676 6079 6622 7396 8514 9933 10836 11094 12158 12943 13244 16641 17028 18237 19866 20339 22188 24316 25886 29799 33282 36474 38829 39732 40678 42553 51772 54711 59598 61017 66564 66869 72948 77658 81356 85106 109422 116487 119196 122034 127659 133738 142373 155316 170212 183051 200607 218844 232974 244068 255318 261397 267476 284746 366102 382977 401214 427119 465948 468083 510636 522794 569492 601821 732204 765954 784191 802428 854238 936166 1045588 1203642 1281357 1404249 1531908 1568382 1708476 1829779 1872332 2352573 2407284 2562714 2808498 2875367 3136764 3659558 4212747 4705146 5125428 5489337 5616996 5750734 7319116 8425494 8626101 9410292 10978674 11240071 11501468 16468011 16850988 17252202 20127569 21957348 22480142 25878303 32936022 33720213 34504404 40255138 44960284 51756606 60382707 65872044 67440426 78680497 80510276 101160639 103513212 120765414 123640781 134880852 157360994 181148121 202321278 236041491 241530828 247281562 314721988 362296242 370922343 404642556 472082982 494563124 708124473 724592484 741844686 865485467 944165964 1112767029 1416248946 1483689372 1730970934 2225534058 2596456401 2832497892 3461941868 4451068116 5192912802 7789369203 10385825604 15578738406 31157476812
• Sum of all divisors σ(n): 100546467840
• Sum of proper divisors (its aliquot sum) s(n): 69388991028
• 31157476812 is an abundant number, because the sum of its proper divisors (69388991028) is greater than itself. Its abundance is 38231514216

Bases of 31157476812

• Binary: 11101000001001000010101110111001100₂
• Hexadecimal: 0x741215DCC
• Base-36: EBACUZ0

Squares and roots of 31157476812

• 31157476812 squared (31157476812²) is 970788361290317683344
• 31157476812 cubed (31157476812³) is 30247315856262551618904238619328
• The square root of 31157476812 is 176514.8062118303
• The cube root of 31157476812 is 3146.6909674511

Scales and comparisons

• 31,157,476,812 seconds is equal to 990 years, 36 weeks, 6 days, 22 hours, 40 minutes, 12 seconds.
• To count from 1 to 31,157,476,812 would take you about one thousand, nine hundred eighty-one 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 31157476812 cubic inches would be around 262.2 feet tall.

Recreational maths with 31157476812

• 31157476812 backwards is 21867475113
• The number of decimal digits it has is: 11
• The sum of 31157476812's digits is 45
• More coming soon!