72381115008

Names of 72381115008

• Cardinal: 72381115008 can be written as Seventy-two billion, three hundred eighty-one million, one hundred fifteen thousand and eight.

Scientific notation

• Scientific notation: 7.2381115008 × 10¹⁰

Factors of 72381115008

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 62830834

Divisors of 72381115008

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 62830829 125661658 188492487 251323316 376984974 502646632 565477461 753969948 1005293264 1130954922 1507939896 2010586528 2261909844 3015879792 4021173056 4523819688 6031759584 8042346112 9047639376 12063519168 18095278752 24127038336 36190557504 72381115008
• Sum of all divisors σ(n): 208284201450
• Sum of proper divisors (its aliquot sum) s(n): 135903086442
• 72381115008 is an abundant number, because the sum of its proper divisors (135903086442) is greater than itself. Its abundance is 63521971434

Bases of 72381115008

• Binary: 1000011011010010000000010101010000000₂
• Hexadecimal: 0x10DA402A80
• Base-36: X91UHS0

Squares and roots of 72381115008

• 72381115008 squared (72381115008²) is 5239025809801322840064
• 72381115008 cubed (72381115008³) is 379206529669109882117209574080512
• The square root of 72381115008 is 269037.3858927417
• The cube root of 72381115008 is 4167.4950212393

Scales and comparisons

• 72,381,115,008 seconds is equal to 2,301 years, 25 weeks, 5 days, 9 hours, 16 minutes, 48 seconds.
• To count from 1 to 72,381,115,008 would take you about four thousand, six hundred two 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 72381115008 cubic inches would be around 347.3 feet tall.

Recreational maths with 72381115008

• 72381115008 backwards is 80051118327
• 72381115008 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72381115008's digits is 36
• More coming soon!