31898105668

Names of 31898105668

• Cardinal: 31898105668 can be written as Thirty-one billion, eight hundred ninety-eight million, one hundred five thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 3.1898105668 × 10¹⁰

Factors of 31898105668

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1001

Divisors of 31898105668

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 11 13 22 26 37 44 52 74 121 143 148 181 242 286 362 407 481 484 572 724 757 814 962 1514 1573 1628 1924 1991 2353 3028 3146 3982 4477 4706 5291 6292 6697 7964 8327 8954 9412 9841 10582 13394 16654 17908 19682 21164 21901 25883 26788 28009 33308 39364 43802 51766 56018 58201 73667 87061 87604 91597 103532 108251 112036 116402 137017 147334 174122 183194 216502 232804 274034 284713 294668 308099 348244 364117 366388 433004 548068 569426 616198 728234 810337 957671 1138852 1190761 1232396 1456468 1507187 1620674 1781221 1915342 2381522 3014374 3241348 3389089 3562442 3830684 4005287 4763044 5069629 6028748 6778178 7124884 8010574 10139258 10534381 13556356 16021148 16579057 19593431 20278516 21068762 33158114 39186862 42137524 44058157 55765919 65905177 66316228 78373724 88116314 111531838 131810354 176232628 215527741 223063676 263620708 431055482 613425109 724956947 862110964 1226850218 1449913894 2453700436 2899827788 7974526417 15949052834 31898105668
• Sum of all divisors σ(n): 68328503152
• Sum of proper divisors (its aliquot sum) s(n): 36430397484
• 31898105668 is an abundant number, because the sum of its proper divisors (36430397484) is greater than itself. Its abundance is 4532291816

Bases of 31898105668

• Binary: 11101101101010001100111011101000100₂
• Hexadecimal: 0x76D467744
• Base-36: ENJB3US

Squares and roots of 31898105668

• 31898105668 squared (31898105668²) is 1017489145206893726224
• 31898105668 cubed (31898105668³) is 32455976269852491801139414637632
• The square root of 31898105668 is 178600.4078046855
• The cube root of 31898105668 is 3171.4287882595

Scales and comparisons

• 31,898,105,668 seconds is equal to 1,014 years, 13 weeks, 4 days, 54 minutes, 28 seconds.
• To count from 1 to 31,898,105,668 would take you about two thousand and twenty-eight 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 31898105668 cubic inches would be around 264.3 feet tall.

Recreational maths with 31898105668

• 31898105668 backwards is 86650189813
• The number of decimal digits it has is: 11
• The sum of 31898105668's digits is 55
• More coming soon!