818123297131

Names of 818123297131

• Cardinal: 818123297131 can be written as Eight hundred eighteen billion, one hundred twenty-three million, two hundred ninety-seven thousand, one hundred thirty-one.

Scientific notation

• Scientific notation: 8.18123297131 × 10¹¹

Factors of 818123297131

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 75

Divisors of 818123297131

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 31 37 49 217 259 343 961 1147 1369 1519 1813 2401 6727 8029 9583 10633 12691 16807 35557 42439 47089 50653 56203 67081 74431 88837 248899 297073 329623 354571 393421 469567 521017 621859 1315609 1570243 1742293 2079511 2307361 2481997 2753947 3286969 9209263 10991701 12196051 14556577 16151527 17373979 19277629 23008783 48677533 64464841 76941907 85372357 101896039 121617853 340742731 451253887 538593349 597606499 713272273 851324971 2385199117 3158777209 3770153443 16696393819 22111440463 26391074101 116874756733 818123297131
• Sum of all divisors σ(n): 1013646932640
• Sum of proper divisors (its aliquot sum) s(n): 195523635509
• 818123297131 is a deficient number, because the sum of its proper divisors (195523635509) is less than itself. Its deficiency is 622599661622

Bases of 818123297131

• Binary: 1011111001111011111100101101000101101011₂
• Hexadecimal: 0xBE7BF2D16B
• Base-36: AFU9HK6J

Squares and roots of 818123297131

• 818123297131 squared (818123297131²) is 669325729308498512831161
• 818123297131 cubed (818123297131³) is 547590972516480003976439546838699091
• The square root of 818123297131 is 904501.6844268451
• The cube root of 818123297131 is 9352.7556182687

Scales and comparisons

• 818,123,297,131 seconds is equal to 26,013 years, 41 weeks, 15 hours, 25 minutes, 31 seconds.
• To count from 1 to 818,123,297,131 would take you about fifty-two thousand and twenty-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 818123297131 cubic inches would be around 779.4 feet tall.

Recreational maths with 818123297131

• 818123297131 backwards is 131792321818
• The number of decimal digits it has is: 12
• The sum of 818123297131's digits is 46
• More coming soon!