12938555823018

Names of 12938555823018

• Cardinal: 12938555823018 can be written as Twelve trillion, nine hundred thirty-eight billion, five hundred fifty-five million, eight hundred twenty-three thousand and eighteen.

Scientific notation

• Scientific notation: 1.2938555823018 × 10¹³

Factors of 12938555823018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6156651

Divisors of 12938555823018

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 42 163 307 326 489 614 921 978 1141 1842 2149 2282 3423 4298 6447 6846 12894 50041 100082 150123 300246 350287 700574 1050861 2101722 6156169 12312338 18468507 36937014 43093183 86186366 129279549 258559098 1003455547 1889943883 2006911094 3010366641 3779887766 5669831649 6020733282 7024188829 11339663298 13229607181 14048377658 21072566487 26459214362 39688821543 42145132974 79377643086 308060852929 616121705858 924182558787 1848365117574 2156425970503 4312851941006 6469277911509 12938555823018
• Sum of all divisors σ(n): 29852204067840
• Sum of proper divisors (its aliquot sum) s(n): 16913648244822
• 12938555823018 is an abundant number, because the sum of its proper divisors (16913648244822) is greater than itself. Its abundance is 3975092421804

Bases of 12938555823018

• Binary: 10111100010001111110000001100001001110101010₂
• Hexadecimal: 0xBC47E0613AA
• Base-36: 4L3W22N56

Squares and roots of 12938555823018

• 12938555823018 squared (12938555823018²) is 167406226785352995338628324
• 12938555823018 cubed (12938555823018³) is 2165994810383100881031237712239025961832
• The square root of 12938555823018 is 3597020.4090355117
• The cube root of 12938555823018 is 23476.2432759917

Scales and comparisons

• 12,938,555,823,018 seconds is equal to 411,406 years, 2 weeks, 5 days, 12 hours, 10 minutes, 18 seconds.
• To count from 1 to 12,938,555,823,018 would take you about one million, twenty-eight thousand, five hundred fifteen 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 12938555823018 cubic inches would be around 1956.4 feet tall.

Recreational maths with 12938555823018

• 12938555823018 backwards is 81032855583921
• The number of decimal digits it has is: 14
• The sum of 12938555823018's digits is 60
• More coming soon!