18513391997113

Names of 18513391997113

• Cardinal: 18513391997113 can be written as Eighteen trillion, five hundred thirteen billion, three hundred ninety-one million, nine hundred ninety-seven thousand, one hundred thirteen.

Scientific notation

• Scientific notation: 1.8513391997113 × 10¹³

Factors of 18513391997113

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1536

Divisors of 18513391997113

• Number of divisors d(n): 96
• Complete list of divisors:
  1 13 23 67 89 299 529 661 683 871 1157 1541 2047 5963 6877 8593 8879 15203 15709 20033 26611 35443 44287 45761 47081 58829 60787 77519 137149 197639 204217 349669 361307 451463 460759 575731 594893 612053 764777 790231 1018601 1052503 1353067 1398101 1782937 3154427 3941543 4072729 4545697 4696991 5869019 10383649 13241813 13682539 17589871 18175313 23427823 24207569 30248021 31120541 32156323 40180207 41007551 51240059 52945477 90655489 93672767 134987437 238823927 304561699 314698397 393224273 404567033 418032199 522342691 695704483 924144761 1178521357 1217745971 2085076247 2154473641 2692073869 3104711051 9044158279 12013881893 16001203109 21255329503 27105991211 28008157333 34996960297 61917698987 208015640417 276319283539 804930086831 1424107076701 18513391997113
• Sum of all divisors σ(n): 21454513960320
• Sum of proper divisors (its aliquot sum) s(n): 2941121963207
• 18513391997113 is a deficient number, because the sum of its proper divisors (2941121963207) is less than itself. Its deficiency is 15572270033906

Bases of 18513391997113

• Binary: 100001101011001111100001001110101000010111001₂
• Hexadecimal: 0x10D67C2750B9
• Base-36: 6K8XNLD4P

Squares and roots of 18513391997113

• 18513391997113 squared (18513391997113²) is 342745683238767674600334769
• 18513391997113 cubed (18513391997113³) is 6345385189117628769294118633155281521897
• The square root of 18513391997113 is 4302719.1399291913
• The cube root of 18513391997113 is 26454.2426205119

Scales and comparisons

• 18,513,391,997,113 seconds is equal to 588,668 years, 31 weeks, 1 day, 8 hours, 5 minutes, 13 seconds.
• To count from 1 to 18,513,391,997,113 would take you about one million, four hundred seventy-one thousand, six hundred seventy-one 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 18513391997113 cubic inches would be around 2204.5 feet tall.

Recreational maths with 18513391997113

• 18513391997113 backwards is 31179919331581
• The number of decimal digits it has is: 14
• The sum of 18513391997113's digits is 61
• More coming soon!