18701372979842

Names of 18701372979842

• Cardinal: 18701372979842 can be written as Eighteen trillion, seven hundred one billion, three hundred seventy-two million, nine hundred seventy-nine thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.8701372979842 × 10¹³

Factors of 18701372979842

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1716

Divisors of 18701372979842

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 7 14 43 49 86 97 98 194 301 343 602 679 686 1358 1567 1849 2107 3134 3698 4171 4214 4753 8342 9409 9506 10969 12943 14749 18818 21938 25886 29197 29498 33271 58394 65863 66542 67381 76783 90601 131726 134762 151999 153566 179353 181202 204379 303998 358706 404587 408758 461041 471667 537481 634207 809174 922082 943334 1063993 1074962 1255471 1268414 1430653 2127986 2510942 2832109 2861306 2897383 3227287 3301669 5664218 5794766 6454574 6535957 6603338 7447951 8788297 13071914 14743903 14895902 17397241 17576594 19824763 20281681 23111683 29487806 34794482 39649526 40563362 45751699 46223366 52135657 61518079 91503398 103207321 104271314 121780687 123036158 138773341 141971767 206414642 243561374 277546682 281046151 283943534 320261893 562092302 633987829 640523786 722451247 852464809 993802369 1267975658 1444902494 1704929618 1967323057 1987604738 2241833251 3934646114 4437914803 4483666502 5057158729 5967253663 8875829606 10114317458 11934507326 13771261399 27261476647 27542522798 31065403621 54522953294 62130807242 96398829793 190830336529 192797659586 217457825347 381660673058 434915650694 1335812355703 2671624711406 9350686489921 18701372979842
• Sum of all divisors σ(n): 33862686681600
• Sum of proper divisors (its aliquot sum) s(n): 15161313701758
• 18701372979842 is a deficient number, because the sum of its proper divisors (15161313701758) is less than itself. Its deficiency is 3540059278084

Bases of 18701372979842

• Binary: 100010000001001000000101100010111101010000010₂
• Hexadecimal: 0x110240B17A82
• Base-36: 6MNAIM7PE

Squares and roots of 18701372979842

• 18701372979842 squared (18701372979842²) is 349741351331164446538344964
• 18701372979842 cubed (18701372979842³) is 6540643457718066678918535061115614215688
• The square root of 18701372979842 is 4324508.4090381881
• The cube root of 18701372979842 is 26543.4781605755

Scales and comparisons

• 18,701,372,979,842 seconds is equal to 594,645 years, 42 weeks, 2 days, 3 hours, 44 minutes, 2 seconds.
• To count from 1 to 18,701,372,979,842 would take you about one million, four hundred eighty-six thousand, six hundred fourteen 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 18701372979842 cubic inches would be around 2212 feet tall.

Recreational maths with 18701372979842

• 18701372979842 backwards is 24897927310781
• The number of decimal digits it has is: 14
• The sum of 18701372979842's digits is 68
• More coming soon!