72316326818

Names of 72316326818

• Cardinal: 72316326818 can be written as Seventy-two billion, three hundred sixteen million, three hundred twenty-six thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 7.2316326818 × 10¹⁰

Factors of 72316326818

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 193

Divisors of 72316326818

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 29 58 79 83 158 166 841 1682 2291 2407 4582 4814 6241 6557 6889 12482 13114 13778 66439 69803 132878 139606 180989 190153 199781 361978 380306 399562 518003 544231 1036006 1088462 5248681 5514437 5793649 10497362 11028874 11587298 15022087 15782699 30044174 31565398 42994249 85988498 435640523 457698271 871281046 915396542 1246833221 2493666442 36158163409 72316326818
• Sum of all divisors σ(n): 115171458129
• Sum of proper divisors (its aliquot sum) s(n): 42855131311
• 72316326818 is a deficient number, because the sum of its proper divisors (42855131311) is less than itself. Its deficiency is 29461195507

Bases of 72316326818

• Binary: 1000011010110011000111001001110100010₂
• Hexadecimal: 0x10D66393A2
• Base-36: X7Z9UW2

Squares and roots of 72316326818

• 72316326818 squared (72316326818²) is 5229651124447786005124
• 72316326818 cubed (72316326818³) is 378189159859687282523073806615432
• The square root of 72316326818 is 268916.9515259311
• The cube root of 72316326818 is 4166.2512112599

Scales and comparisons

• 72,316,326,818 seconds is equal to 2,299 years, 22 weeks, 4 days, 12 hours, 33 minutes, 38 seconds.
• To count from 1 to 72,316,326,818 would take you about four thousand, five hundred ninety-eight 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 72316326818 cubic inches would be around 347.2 feet tall.

Recreational maths with 72316326818

• 72316326818 backwards is 81862361327
• The number of decimal digits it has is: 11
• The sum of 72316326818's digits is 47
• More coming soon!