18007039146

Names of 18007039146

• Cardinal: 18007039146 can be written as Eighteen billion, seven million, thirty-nine thousand, one hundred forty-six.

Scientific notation

• Scientific notation: 1.8007039146 × 10¹⁰

Factors of 18007039146

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 17934

Divisors of 18007039146

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 109 218 327 654 1709 3418 5127 10254 16111 32222 48333 96666 186281 372562 558843 1117686 1756099 3512198 5268297 10536594 27533699 55067398 82601097 165202194 3001173191 6002346382 9003519573 18007039146
• Sum of all divisors σ(n): 36368006400
• Sum of proper divisors (its aliquot sum) s(n): 18360967254
• 18007039146 is an abundant number, because the sum of its proper divisors (18360967254) is greater than itself. Its abundance is 353928108

Bases of 18007039146

• Binary: 10000110001010011011001110010101010₂
• Hexadecimal: 0x4314D9CAA
• Base-36: 89SXCBU

Squares and roots of 18007039146

• 18007039146 squared (18007039146²) is 324253458805576409316
• 18007039146 cubed (18007039146³) is 5838844725937912805647331084136
• The square root of 18007039146 is 134190.3094340273
• The cube root of 18007039146 is 2621.0829752657

Scales and comparisons

• 18,007,039,146 seconds is equal to 572 years, 29 weeks, 3 days, 19 hours, 19 minutes, 6 seconds.
• To count from 1 to 18,007,039,146 would take you about one thousand, one 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 18007039146 cubic inches would be around 218.4 feet tall.

Recreational maths with 18007039146

• 18007039146 backwards is 64193070081
• The number of decimal digits it has is: 11
• The sum of 18007039146's digits is 39
• More coming soon!