68237139072

Names of 68237139072

• Cardinal: 68237139072 can be written as Sixty-eight billion, two hundred thirty-seven million, one hundred thirty-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 6.8237139072 × 10¹⁰

Factors of 68237139072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 71129

Divisors of 68237139072

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 2593 5186 7779 10372 15558 20744 31116 41488 62232 68531 82976 124464 137062 165952 205593 248928 274124 331904 411186 497856 548248 822372 995712 1096496 1644744 2192992 3289488 4385984 6578976 8771968 13157952 26315904 177700883 355401766 533102649 710803532 1066205298 1421607064 2132410596 2843214128 4264821192 5686428256 8529642384 11372856512 17059284768 22745713024 34118569536 68237139072
• Sum of all divisors σ(n): 181327448160
• Sum of proper divisors (its aliquot sum) s(n): 113090309088
• 68237139072 is an abundant number, because the sum of its proper divisors (113090309088) is greater than itself. Its abundance is 44853170016

Bases of 68237139072

• Binary: 111111100011010000000001110010000000₂
• Hexadecimal: 0xFE3401C80
• Base-36: VCIMPHC

Squares and roots of 68237139072

• 68237139072 squared (68237139072²) is 4656307148731469021184
• 68237139072 cubed (68237139072³) is 317733078469937039981392322101248
• The square root of 68237139072 is 261222.3938945511
• The cube root of 68237139072 is 4086.3943025197

Scales and comparisons

• 68,237,139,072 seconds is equal to 2,169 years, 37 weeks, 6 days, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 68,237,139,072 would take you about four thousand, three 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 68237139072 cubic inches would be around 340.5 feet tall.

Recreational maths with 68237139072

• 68237139072 backwards is 27093173286
• 68237139072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 68237139072's digits is 48
• More coming soon!