31038991242

Names of 31038991242

• Cardinal: 31038991242 can be written as Thirty-one billion, thirty-eight million, nine hundred ninety-one thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 3.1038991242 × 10¹⁰

Factors of 31038991242

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 497

Divisors of 31038991242

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 14 19 21 31 38 42 57 61 62 67 93 114 122 133 134 183 186 201 217 266 307 366 399 402 427 434 469 589 614 651 798 854 921 938 1159 1178 1273 1281 1302 1407 1767 1842 1891 2077 2149 2318 2546 2562 2814 3477 3534 3782 3819 4087 4123 4154 4298 5673 5833 6231 6447 6954 7638 8113 8174 8246 8911 9517 11346 11666 12261 12369 12462 12894 13237 14539 16226 17499 17822 18727 19034 20569 24339 24522 24738 26474 26733 28551 28609 29078 34998 35929 37454 39463 39711 40831 41138 43617 48678 53466 56181 57102 57218 61707 66619 71858 77653 78926 79422 81662 85827 87234 107787 112362 118389 122493 123414 126697 131089 133238 143983 155306 171654 180823 199857 215574 232959 236778 244986 251503 253394 262178 276241 287966 355813 361646 380091 390811 393267 399714 431949 465918 503006 542469 543571 552482 580537 637639 711626 754509 760182 781622 786534 828723 863898 886879 1067439 1084938 1087142 1161074 1172433 1254709 1265761 1275278 1509018 1630713 1657446 1741611 1773758 1912917 2134878 2344866 2407243 2490691 2509418 2531522 2660637 2735677 3261426 3483222 3764127 3797283 3825834 4063759 4463473 4814486 4981382 5321274 5471354 7221729 7472073 7528254 7594566 8127518 8207031 8782963 8926946 11030203 12115141 12191277 13390419 14443458 14944146 16414062 16850701 17565926 22060406 23839471 24230282 24382554 26348889 26780838 33090609 33701402 36345423 38895979 47678942 50552103 52697778 66181218 71518413 72690846 77211421 77791958 84805987 101104206 116687937 143036826 154422842 166876297 169611974 231634263 233375874 254417961 272271853 333752594 463268526 500628891 508835922 544543706 739023601 816815559 1001257782 1478047202 1633631118 2217070803 4434141606 5173165207 10346330414 15519495621 31038991242
• Sum of all divisors σ(n): 79781560320
• Sum of proper divisors (its aliquot sum) s(n): 48742569078
• 31038991242 is an abundant number, because the sum of its proper divisors (48742569078) is greater than itself. Its abundance is 17703577836

Bases of 31038991242

• Binary: 11100111010000100010110101110001010₂
• Hexadecimal: 0x73A116B8A
• Base-36: E9BTAX6

Squares and roots of 31038991242

• 31038991242 squared (31038991242²) is 963418977320952702564
• 31038991242 cubed (31038991242³) is 29903553199441647557980226944488
• The square root of 31038991242 is 176178.8615072761
• The cube root of 31038991242 is 3142.6971579331

Scales and comparisons

• 31,038,991,242 seconds is equal to 986 years, 49 weeks, 14 hours, 42 seconds.
• To count from 1 to 31,038,991,242 would take you about one thousand, nine hundred seventy-three 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 31038991242 cubic inches would be around 261.9 feet tall.

Recreational maths with 31038991242

• 31038991242 backwards is 24219983013
• 31038991242 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31038991242's digits is 42
• More coming soon!