18195532442431856

Names of 18195532442431856

• Cardinal: 18195532442431856 can be written as Eighteen quadrillion, one hundred ninety-five trillion, five hundred thirty-two billion, four hundred forty-two million, four hundred thirty-one thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.8195532442431856 × 10¹⁶

Factors of 18195532442431856

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 24196186758602

Divisors of 18195532442431856

• Number of divisors d(n): 20
• Complete list of divisors:
  1 2 4 8 16 47 94 188 376 752 24196186758553 48392373517106 96784747034212 193569494068424 387138988136848 1137220777651991 2274441555303982 4548883110607964 9097766221215928 18195532442431856
• Sum of all divisors σ(n): 36003925896728352
• Sum of proper divisors (its aliquot sum) s(n): 17808393454296496
• 18195532442431856 is a deficient number, because the sum of its proper divisors (17808393454296496) is less than itself. Its deficiency is 387138988135360

Bases of 18195532442431856

• Binary: 1000000101001001011110110000111101110101111000101110000₂
• Hexadecimal: 0x40A4BD87BAF170
• Base-36: 4Z5S07HHXM8

Squares and roots of 18195532442431856

• 18195532442431856 squared (18195532442431856²) is 331077400863590183080731203604736
• 18195532442431856 cubed (18195532442431856³) is 6024129588369471754865510722376193487509238870016
• The square root of 18195532442431856 is 134890816.7461071309
• The cube root of 18195532442431856 is 263019.6867413303

Scales and comparisons

• 18,195,532,442,431,856 seconds is equal to 578,561,649 years, 9 weeks, 6 days, 22 hours, 10 minutes, 56 seconds.
• To count from 1 to 18,195,532,442,431,856 would take you about one billion, seven hundred thirty-five million, six hundred eighty-four thousand, nine hundred forty-seven 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 18195532442431856 cubic inches would be around 21918.3 feet tall.

Recreational maths with 18195532442431856

• 18195532442431856 backwards is 65813424423559181
• The number of decimal digits it has is: 17
• The sum of 18195532442431856's digits is 71
• More coming soon!