18131014272

Names of 18131014272

• Cardinal: 18131014272 can be written as Eighteen billion, one hundred thirty-one million, fourteen thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.8131014272 × 10¹⁰

Factors of 18131014272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6745181

Divisors of 18131014272

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 336 384 448 672 896 1344 2688 6745169 13490338 20235507 26980676 40471014 47216183 53961352 80942028 94432366 107922704 141648549 161884056 188864732 215845408 283297098 323768112 377729464 431690816 566594196 647536224 755458928 863381632 1133188392 1295072448 1510917856 2266376784 2590144896 3021835712 4532753568 6043671424 9065507136 18131014272
• Sum of all divisors σ(n): 55040587200
• Sum of proper divisors (its aliquot sum) s(n): 36909572928
• 18131014272 is an abundant number, because the sum of its proper divisors (36909572928) is greater than itself. Its abundance is 18778558656

Bases of 18131014272

• Binary: 10000111000101100010101001010000000₂
• Hexadecimal: 0x438B15280
• Base-36: 8BUQK5C

Squares and roots of 18131014272

• 18131014272 squared (18131014272²) is 328733678531467689984
• 18131014272 cubed (18131014272³) is 5960275017141100688206775451648
• The square root of 18131014272 is 134651.4547711983
• The cube root of 18131014272 is 2627.0844467043

Scales and comparisons

• 18,131,014,272 seconds is equal to 576 years, 26 weeks, 3 days, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 18,131,014,272 would take you about one thousand, one hundred fifty-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 18131014272 cubic inches would be around 218.9 feet tall.

Recreational maths with 18131014272

• 18131014272 backwards is 27241013181
• The number of decimal digits it has is: 11
• The sum of 18131014272's digits is 30
• More coming soon!