18643830233121

Names of 18643830233121

• Cardinal: 18643830233121 can be written as Eighteen trillion, six hundred forty-three billion, eight hundred thirty million, two hundred thirty-three thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.8643830233121 × 10¹³

Factors of 18643830233121

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 627459

Divisors of 18643830233121

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 53 97 159 291 477 643 873 1929 5141 5787 15423 34079 46269 62371 102237 187113 306711 561339 626663 1879989 3305663 5639967 9916989 29750967 33213139 60786311 99639417 182358933 298918251 402944309 547076799 1208832927 3221674483 3626498781 9665023449 21356048377 28995070347 39085597973 64068145131 117256793919 192204435393 351770381757 2071536692569 6214610077707 18643830233121
• Sum of all divisors σ(n): 27764112894336
• Sum of proper divisors (its aliquot sum) s(n): 9120282661215
• 18643830233121 is a deficient number, because the sum of its proper divisors (9120282661215) is less than itself. Its deficiency is 9523547571906

Bases of 18643830233121

• Binary: 100001111010011011010111000001101100000100001₂
• Hexadecimal: 0x10F4DAE0D821
• Base-36: 6LWUV5G69

Squares and roots of 18643830233121

• 18643830233121 squared (18643830233121²) is 347592405761436641205400641
• 18643830233121 cubed (18643830233121³) is 6480453803338334517916355867139232830561
• The square root of 18643830233121 is 4317850.1865072855
• The cube root of 18643830233121 is 26516.2260817057

Scales and comparisons

• 18,643,830,233,121 seconds is equal to 592,816 years, 6 weeks, 6 days, 3 hours, 25 minutes, 21 seconds.
• To count from 1 to 18,643,830,233,121 would take you about one million, four hundred eighty-two thousand and forty 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 18643830233121 cubic inches would be around 2209.7 feet tall.

Recreational maths with 18643830233121

• 18643830233121 backwards is 12133203834681
• The number of decimal digits it has is: 14
• The sum of 18643830233121's digits is 45
• More coming soon!