72391131136

Names of 72391131136

• Cardinal: 72391131136 can be written as Seventy-two billion, three hundred ninety-one million, one hundred thirty-one thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 7.2391131136 × 10¹⁰

Factors of 72391131136

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1053

Divisors of 72391131136

• Number of divisors d(n): 51
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 512 1024 1051 2048 2102 4096 4204 8192 8408 16384 16816 32768 33632 65536 67264 134528 269056 538112 1076224 1104601 2152448 2209202 4304896 4418404 8609792 8836808 17219584 17673616 34439168 35347232 68878336 70694464 141388928 282777856 565555712 1131111424 2262222848 4524445696 9048891392 18097782784 36195565568 72391131136
• Sum of all divisors σ(n): 144919044363
• Sum of proper divisors (its aliquot sum) s(n): 72527913227
• 72391131136 is an abundant number, because the sum of its proper divisors (72527913227) is greater than itself. Its abundance is 136782091

Bases of 72391131136

• Binary: 1000011011010110110010000000000000000₂
• Hexadecimal: 0x10DAD90000
• Base-36: X97T69S

Squares and roots of 72391131136

• 72391131136 squared (72391131136²) is 5240475867149548650496
• 72391131136 cubed (72391131136³) is 379363975713866290881267767443456
• 72391131136 is a perfect square number. Its square root is 269056
• The cube root of 72391131136 is 4167.6872455891

Scales and comparisons

• 72,391,131,136 seconds is equal to 2,301 years, 42 weeks, 2 days, 7 hours, 32 minutes, 16 seconds.
• To count from 1 to 72,391,131,136 would take you about four thousand, six hundred three 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 72391131136 cubic inches would be around 347.3 feet tall.

Recreational maths with 72391131136

• 72391131136 backwards is 63113119327
• The number of decimal digits it has is: 11
• The sum of 72391131136's digits is 37
• More coming soon!