18045831272475423

Names of 18045831272475423

• Cardinal: 18045831272475423 can be written as Eighteen quadrillion, forty-five trillion, eight hundred thirty-one billion, two hundred seventy-two million, four hundred seventy-five thousand, four hundred twenty-three.

Scientific notation

• Scientific notation: 1.8045831272475423 × 10¹⁶

Factors of 18045831272475423

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 182525453

Divisors of 18045831272475423

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 43162747 129488241 139362703 418088109 6015277090825141 18045831272475423
• Sum of all divisors σ(n): 24061109093402368
• Sum of proper divisors (its aliquot sum) s(n): 6015277820926945
• 18045831272475423 is a deficient number, because the sum of its proper divisors (6015277820926945) is less than itself. Its deficiency is 12030553451548478

Bases of 18045831272475423

• Binary: 1000000000111001001011010000010101011000010101100011111₂
• Hexadecimal: 0x401C9682AC2B1F
• Base-36: 4XOPOFU2Q73

Squares and roots of 18045831272475423

• 18045831272475423 squared (18045831272475423²) is 325652026314651944465882139028929
• 18045831272475423 cubed (18045831272475423³) is 5876661520413935434544614012948301745051238511967
• The square root of 18045831272475423 is 134334773.1321842931
• The cube root of 18045831272475423 is 262296.3803739035

Scales and comparisons

• 18,045,831,272,475,423 seconds is equal to 573,801,615 years, 2 weeks, 1 day, 20 hours, 57 minutes, 3 seconds.
• To count from 1 to 18,045,831,272,475,423 would take you about one billion, seven hundred twenty-one million, four hundred four thousand, eight hundred forty-five 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 18045831272475423 cubic inches would be around 21858 feet tall.

Recreational maths with 18045831272475423

• 18045831272475423 backwards is 32457427213854081
• The number of decimal digits it has is: 17
• The sum of 18045831272475423's digits is 66
• More coming soon!