31481791068

Names of 31481791068

• Cardinal: 31481791068 can be written as Thirty-one billion, four hundred eighty-one million, seven hundred ninety-one thousand and sixty-eight.

Scientific notation

• Scientific notation: 3.1481791068 × 10¹⁰

Factors of 31481791068

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 158

Divisors of 31481791068

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 19 21 26 28 38 39 42 43 49 52 57 71 76 78 84 86 91 98 114 129 133 142 147 156 172 182 196 213 228 247 258 266 273 284 294 301 364 399 426 494 497 516 532 546 559 588 602 637 741 798 817 852 903 923 931 988 994 1092 1118 1204 1274 1349 1482 1491 1596 1634 1677 1729 1806 1846 1862 1911 1988 2107 2236 2451 2548 2698 2769 2793 2964 2982 3053 3268 3354 3458 3479 3612 3692 3724 3822 3913 4047 4214 4902 5041 5187 5396 5538 5586 5719 5964 6106 6321 6461 6708 6916 6958 7644 7826 8094 8428 9159 9443 9804 10082 10374 10437 10621 11076 11172 11438 11739 12103 12212 12642 12922 13916 15123 15652 16188 17157 17537 18318 18886 19383 20164 20748 20874 21242 21371 22876 23478 24206 25284 25844 27391 28329 30246 31863 34314 35074 35287 36309 36636 37772 38766 39689 40033 41748 42484 42742 45227 46956 48412 52611 54782 56658 58007 60492 63726 64113 65533 66101 68628 70148 70574 72618 74347 77532 79378 80066 82173 85484 90454 95779 105222 105861 109564 113316 116014 119067 120099 122759 127452 128226 131066 132202 135681 141148 145236 148694 149597 158756 160132 164346 174021 180908 191558 196599 198303 210444 211722 216763 223041 232028 238134 240198 245518 247009 256452 262132 264404 271362 277823 287337 297388 299194 328692 348042 368277 383116 393198 396606 406049 423444 433526 446082 448791 458731 476268 480396 491036 494018 520429 542724 555646 574674 598388 650289 670453 696084 736554 741027 754091 786396 793212 812098 833469 859313 867052 892164 897582 917462 988036 1040858 1111292 1149348 1218147 1245127 1300578 1340906 1376193 1473108 1482054 1508182 1517341 1561287 1624196 1666938 1718626 1795164 1834924 1944761 2011359 2081716 2262273 2436294 2490254 2577939 2601156 2681812 2752386 2817919 2842343 2964108 3016364 3034682 3122574 3211117 3333876 3437252 3735381 3889522 4022718 4118497 4524546 4552023 4693171 4872588 4980508 5155878 5278637 5504772 5635838 5684686 5834283 6069364 6245148 6422234 7470762 7779044 8045436 8236994 8453757 8527029 8715889 9049092 9104046 9386342 9633351 10311756 10557274 10621387 11271676 11369372 11668566 12355491 12844468 14079513 14941524 15835911 16473988 16907514 17054058 17431778 18208092 18772684 19266702 19725433 21114548 21242774 23337132 24710982 26147667 28159026 28829479 31671822 31864161 33815028 34108116 34863556 36950459 38533404 39450866 42485548 49421964 52295334 53540461 56318052 57658958 59176299 61011223 63343644 63728322 73900918 78901732 86488437 104590668 107080922 110851377 115317916 118352598 122022446 127456644 138078031 147801836 160621383 172976874 183033669 201806353 214161844 221702754 236705196 244044892 276156062 321242766 345953748 366067338 374783227 403612706 414234093 443405508 552312124 605419059 642485532 732134676 749566454 807225412 828468186 1124349681 1210838118 1499132908 1656936372 2248699362 2421676236 2623482589 4497398724 5246965178 7870447767 10493930356 15740895534 31481791068
• Sum of all divisors σ(n): 100535487360
• Sum of proper divisors (its aliquot sum) s(n): 69053696292
• 31481791068 is an abundant number, because the sum of its proper divisors (69053696292) is greater than itself. Its abundance is 37571905224

Bases of 31481791068

• Binary: 11101010100011101100000001001011100₂
• Hexadecimal: 0x75476025C
• Base-36: EGNG1GC

Squares and roots of 31481791068

• 31481791068 squared (31481791068²) is 991103168849204580624
• 31481791068 cubed (31481791068³) is 31201702888543384605193329066432
• The square root of 31481791068 is 177431.0882230057
• The cube root of 31481791068 is 3157.5711409907

Scales and comparisons

• 31,481,791,068 seconds is equal to 1,001 years, 1 week, 1 day, 13 hours, 57 minutes, 48 seconds.
• To count from 1 to 31,481,791,068 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 31481791068 cubic inches would be around 263.1 feet tall.

Recreational maths with 31481791068

• 31481791068 backwards is 86019718413
• The number of decimal digits it has is: 11
• The sum of 31481791068's digits is 48
• More coming soon!