18007147818

Names of 18007147818

• Cardinal: 18007147818 can be written as Eighteen billion, seven million, one hundred forty-seven thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 1.8007147818 × 10¹⁰

Factors of 18007147818

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 90401

Divisors of 18007147818

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 11 18 19 22 33 38 53 57 66 99 106 114 159 171 198 209 318 342 418 477 583 627 954 1007 1166 1254 1749 1881 2014 3021 3498 3762 5247 6042 9063 10494 11077 18126 22154 33231 66462 90313 99693 180626 199386 270939 541878 812817 993443 1625634 1715947 1986886 2980329 3431894 4786589 5147841 5960658 8940987 9573178 10295682 14359767 15443523 17881974 18875417 28719534 30887046 37750834 43079301 52652479 56626251 86158602 90945191 105304958 113252502 157957437 169878753 181890382 272835573 315914874 339757506 473872311 545671146 818506719 947744622 1000397101 1637013438 2000794202 3001191303 6002382606 9003573909 18007147818
• Sum of all divisors σ(n): 45648308160
• Sum of proper divisors (its aliquot sum) s(n): 27641160342
• 18007147818 is an abundant number, because the sum of its proper divisors (27641160342) is greater than itself. Its abundance is 9634012524

Bases of 18007147818

• Binary: 10000110001010011110100010100101010₂
• Hexadecimal: 0x4314F452A
• Base-36: 89SZO6I

Squares and roots of 18007147818

• 18007147818 squared (18007147818²) is 324257372539302161124
• 18007147818 cubed (18007147818³) is 5838950438391508029926721027432
• The square root of 18007147818 is 134190.7143508819
• The cube root of 18007147818 is 2621.0882479773

Scales and comparisons

• 18,007,147,818 seconds is equal to 572 years, 29 weeks, 5 days, 1 hour, 30 minutes, 18 seconds.
• To count from 1 to 18,007,147,818 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 18007147818 cubic inches would be around 218.4 feet tall.

Recreational maths with 18007147818

• 18007147818 backwards is 81874170081
• The number of decimal digits it has is: 11
• The sum of 18007147818's digits is 45
• More coming soon!