18397090712

Names of 18397090712

• Cardinal: 18397090712 can be written as Eighteen billion, three hundred ninety-seven million, ninety thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8397090712 × 10¹⁰

Factors of 18397090712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 490

Divisors of 18397090712

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 121 143 154 182 242 286 308 364 457 484 572 616 728 847 914 968 1001 1144 1573 1694 1828 2002 3146 3199 3388 3656 4004 5027 5941 6292 6398 6776 8008 10054 11011 11882 12584 12796 20108 22022 23764 25592 35189 40216 41587 44044 47528 55297 65351 70378 83174 88088 110594 130702 140756 166348 208849 221188 261404 281512 332696 387079 417698 442376 457457 522808 718861 774158 835396 914914 1437722 1461943 1548316 1670792 1829828 2297339 2715037 2875444 2923886 3096632 3659656 4594678 5032027 5430074 5750888 5847772 9189356 10064054 10860148 11695544 16081373 18378712 19005259 20128108 21720296 25270729 29865407 32162746 38010518 40256216 50541458 59730814 64325492 76021036 101082916 119461628 128650984 152042072 176895103 202165832 209057849 238923256 328519477 353790206 418115698 657038954 707580412 836231396 1314077908 1415160824 1672462792 2299636339 2628155816 4599272678 9198545356 18397090712
• Sum of all divisors σ(n): 46767556080
• Sum of proper divisors (its aliquot sum) s(n): 28370465368
• 18397090712 is an abundant number, because the sum of its proper divisors (28370465368) is greater than itself. Its abundance is 9973374656

Bases of 18397090712

• Binary: 10001001000100011010101001110011000₂
• Hexadecimal: 0x4488D5398
• Base-36: 8G95I1K

Squares and roots of 18397090712

• 18397090712 squared (18397090712²) is 338452946665556666944
• 18397090712 cubed (18397090712³) is 6226549561549943927745139824128
• The square root of 18397090712 is 135635.8754607349
• The cube root of 18397090712 is 2639.8730957517

Scales and comparisons

• 18,397,090,712 seconds is equal to 584 years, 50 weeks, 3 days, 6 hours, 58 minutes, 32 seconds.
• To count from 1 to 18,397,090,712 would take you about one thousand, one hundred sixty-nine 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 18397090712 cubic inches would be around 220 feet tall.

Recreational maths with 18397090712

• 18397090712 backwards is 21709079381
• The number of decimal digits it has is: 11
• The sum of 18397090712's digits is 47
• More coming soon!