18321669363526145

Names of 18321669363526145

• Cardinal: 18321669363526145 can be written as Eighteen quadrillion, three hundred twenty-one trillion, six hundred sixty-nine billion, three hundred sixty-three million, five hundred twenty-six thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 1.8321669363526145 × 10¹⁶

Factors of 18321669363526145

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3425792

Divisors of 18321669363526145

• Number of divisors d(n): 16
• Complete list of divisors:
  1 5 3583 17915 330823 1654115 3091381 15456905 1185338809 5926694045 11076418123 55382090615 1022699936563 5113499682815 3664333872705229 18321669363526145
• Sum of all divisors σ(n): 21992213026947072
• Sum of proper divisors (its aliquot sum) s(n): 3670543663420927
• 18321669363526145 is a deficient number, because the sum of its proper divisors (3670543663420927) is less than itself. Its deficiency is 14651125700105218

Bases of 18321669363526145

• Binary: 1000001000101110111011000010010000110101110101000000001₂
• Hexadecimal: 0x411776121AEA01
• Base-36: 50EHMPJK4CH

Squares and roots of 18321669363526145

• 18321669363526145 squared (18321669363526145²) is 335683568266372535223268098561025
• 18321669363526145 cubed (18321669363526145³) is 6150283348545134932770300063685842522094465498625
• The square root of 18321669363526145 is 135357561.1612670309
• The cube root of 18321669363526145 is 263626.0649702833

Scales and comparisons

• 18,321,669,363,526,145 seconds is equal to 582,572,413 years, 6 weeks, 3 hours, 29 minutes, 5 seconds.
• To count from 1 to 18,321,669,363,526,145 would take you about one billion, seven hundred forty-seven million, seven hundred seventeen thousand, two hundred thirty-nine 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 18321669363526145 cubic inches would be around 21968.8 feet tall.

Recreational maths with 18321669363526145

• 18321669363526145 backwards is 54162536396612381
• The number of decimal digits it has is: 17
• The sum of 18321669363526145's digits is 71
• More coming soon!