18458140792

Names of 18458140792

• Cardinal: 18458140792 can be written as Eighteen billion, four hundred fifty-eight million, one hundred forty thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.8458140792 × 10¹⁰

Factors of 18458140792

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 32056

Divisors of 18458140792

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 52 56 61 91 104 122 169 182 244 338 364 427 488 676 728 793 854 1183 1352 1586 1708 2366 3172 3416 4732 5551 6344 9464 10309 11102 20618 22204 31973 41236 44408 63946 72163 82472 127892 144326 223811 255784 288652 415649 447622 577304 831298 895244 1662596 1790488 1950353 2909543 3325192 3900706 5403437 5819086 7801412 10806874 11638172 13652471 15602824 21613748 23276344 25354589 27304942 37824059 43227496 50709178 54609884 75648118 101418356 109219768 151296236 177482123 202836712 302592472 329609657 354964246 659219314 709928492 1318438628 1419856984 2307267599 2636877256 4614535198 9229070396 18458140792
• Sum of all divisors σ(n): 43533240480
• Sum of proper divisors (its aliquot sum) s(n): 25075099688
• 18458140792 is an abundant number, because the sum of its proper divisors (25075099688) is greater than itself. Its abundance is 6616958896

Bases of 18458140792

• Binary: 10001001100001100001110000001111000₂
• Hexadecimal: 0x44C30E078
• Base-36: 8H9I0L4

Squares and roots of 18458140792

• 18458140792 squared (18458140792²) is 340702961497294387264
• 18458140792 cubed (18458140792³) is 6288743231568414927190283673088
• The square root of 18458140792 is 135860.7404366691
• The cube root of 18458140792 is 2642.7899793925

Scales and comparisons

• 18,458,140,792 seconds is equal to 586 years, 47 weeks, 2 days, 21 hours, 19 minutes, 52 seconds.
• To count from 1 to 18,458,140,792 would take you about one thousand, one hundred seventy-three 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 18458140792 cubic inches would be around 220.2 feet tall.

Recreational maths with 18458140792

• 18458140792 backwards is 29704185481
• The number of decimal digits it has is: 11
• The sum of 18458140792's digits is 49
• More coming soon!