82391431136

Names of 82391431136

• Cardinal: 82391431136 can be written as Eighty-two billion, three hundred ninety-one million, four hundred thirty-one thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 8.2391431136 × 10¹⁰

Factors of 82391431136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 72643

Divisors of 82391431136

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 112 224 5477 10954 21908 38339 43816 67157 76678 87632 134314 153356 175264 268628 306712 470099 537256 613424 940198 1074512 1226848 1880396 2149024 3760792 7521584 15043168 367818889 735637778 1471275556 2574732223 2942551112 5149464446 5885102224 10298928892 11770204448 20597857784 41195715568 82391431136
• Sum of all divisors σ(n): 185417328096
• Sum of proper divisors (its aliquot sum) s(n): 103025896960
• 82391431136 is an abundant number, because the sum of its proper divisors (103025896960) is greater than itself. Its abundance is 20634465824

Bases of 82391431136

• Binary: 1001100101110111010010111011111100000₂
• Hexadecimal: 0x132EE977E0
• Base-36: 11ULQB4W

Squares and roots of 82391431136

• 82391431136 squared (82391431136²) is 6788347924638230250496
• 82391431136 cubed (82391431136³) is 559301700560039265396653213843456
• The square root of 82391431136 is 287039.0759739865
• The cube root of 82391431136 is 4351.3833823747

Scales and comparisons

• 82,391,431,136 seconds is equal to 2,619 years, 41 weeks, 1 day, 12 hours, 38 minutes, 56 seconds.
• To count from 1 to 82,391,431,136 would take you about five thousand, two hundred thirty-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 82391431136 cubic inches would be around 362.6 feet tall.

Recreational maths with 82391431136

• 82391431136 backwards is 63113419328
• The number of decimal digits it has is: 11
• The sum of 82391431136's digits is 41
• More coming soon!