18513785150

Names of 18513785150

• Cardinal: 18513785150 can be written as Eighteen billion, five hundred thirteen million, seven hundred eighty-five thousand, one hundred fifty.

Scientific notation

• Scientific notation: 1.851378515 × 10¹⁰

Factors of 18513785150

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1053

Divisors of 18513785150

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 5 7 10 14 25 35 49 50 70 98 175 245 343 350 490 686 1039 1225 1715 2078 2450 3430 5195 7273 8575 10390 14546 17150 25975 36365 50911 51950 72730 101822 181825 254555 356377 363650 509110 712754 1079521 1272775 1781885 2159042 2545550 3563770 5397605 7556647 8909425 10795210 15113294 17818850 26988025 37783235 52896529 53976050 75566470 105793058 188916175 264482645 370275703 377832350 528965290 740551406 1322413225 1851378515 2644826450 3702757030 9256892575 18513785150
• Sum of all divisors σ(n): 40196869200
• Sum of proper divisors (its aliquot sum) s(n): 21683084050
• 18513785150 is an abundant number, because the sum of its proper divisors (21683084050) is greater than itself. Its abundance is 3169298900

Bases of 18513785150

• Binary: 10001001111100000011111000100111110₂
• Hexadecimal: 0x44F81F13E
• Base-36: 8I6MO1Q

Squares and roots of 18513785150

• 18513785150 squared (18513785150²) is 342760240580360522500
• 18513785150 cubed (18513785150³) is 6345789452067106023106740875000
• The square root of 18513785150 is 136065.3708700343
• The cube root of 18513785150 is 2645.4429881139

Scales and comparisons

• 18,513,785,150 seconds is equal to 588 years, 35 weeks, 2 days, 22 hours, 5 minutes, 50 seconds.
• To count from 1 to 18,513,785,150 would take you about one thousand, one hundred seventy-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 18513785150 cubic inches would be around 220.5 feet tall.

Recreational maths with 18513785150

• 18513785150 backwards is 05158731581
• The number of decimal digits it has is: 11
• The sum of 18513785150's digits is 44
• More coming soon!