18361381272

Names of 18361381272

• Cardinal: 18361381272 can be written as Eighteen billion, three hundred sixty-one million, three hundred eighty-one thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.8361381272 × 10¹⁰

Factors of 18361381272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 163058

Divisors of 18361381272

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 13 19 24 26 38 39 52 57 76 78 104 114 152 156 228 247 312 361 456 494 722 741 988 1083 1444 1482 1976 2166 2888 2964 4332 4693 5928 8664 9386 14079 18772 28158 37544 56316 112632 163021 326042 489063 652084 978126 1304168 1956252 2119273 3097399 3912504 4238546 6194798 6357819 8477092 9292197 12389596 12715638 16954184 18584394 24779192 25431276 37168788 40266187 50862552 58850581 74337576 80532374 117701162 120798561 161064748 176551743 235402324 241597122 322129496 353103486 470804648 483194244 706206972 765057553 966388488 1412413944 1530115106 2295172659 3060230212 4590345318 6120460424 9180690636 18361381272
• Sum of all divisors σ(n): 52173560880
• Sum of proper divisors (its aliquot sum) s(n): 33812179608
• 18361381272 is an abundant number, because the sum of its proper divisors (33812179608) is greater than itself. Its abundance is 15450798336

Bases of 18361381272

• Binary: 10001000110011011000111000110011000₂
• Hexadecimal: 0x4466C7198
• Base-36: 8FNW4GO

Squares and roots of 18361381272

• 18361381272 squared (18361381272²) is 337140322215752337984
• 18361381272 cubed (18361381272³) is 6190361998368360522049631835648
• The square root of 18361381272 is 135504.1743711241
• The cube root of 18361381272 is 2638.1639586917

Scales and comparisons

• 18,361,381,272 seconds is equal to 583 years, 43 weeks, 2 days, 23 hours, 41 minutes, 12 seconds.
• To count from 1 to 18,361,381,272 would take you about one thousand, one hundred sixty-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 18361381272 cubic inches would be around 219.8 feet tall.

Recreational maths with 18361381272

• 18361381272 backwards is 27218316381
• The number of decimal digits it has is: 11
• The sum of 18361381272's digits is 42
• More coming soon!