72730523136

Names of 72730523136

• Cardinal: 72730523136 can be written as Seventy-two billion, seven hundred thirty million, five hundred twenty-three thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 7.2730523136 × 10¹⁰

Factors of 72730523136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 20303

Divisors of 72730523136

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 2689 5378 8067 10756 16134 17609 21512 32268 35218 43024 52827 64536 70436 86048 105654 129072 140872 172096 211308 258144 281744 344192 422616 516288 563488 688384 845232 1032576 1126976 1376768 1690464 2065152 2253952 3380928 4130304 4507904 6761856 9015808 13523712 27047424 47350601 94701202 142051803 189402404 284103606 378804808 568207212 757609616 1136414424 1515219232 2272828848 3030438464 4545657696 6060876928 9091315392 12121753856 18182630784 24243507712 36365261568 72730523136
• Sum of all divisors σ(n): 193841722800
• Sum of proper divisors (its aliquot sum) s(n): 121111199664
• 72730523136 is an abundant number, because the sum of its proper divisors (121111199664) is greater than itself. Its abundance is 48380676528

Bases of 72730523136

• Binary: 1000011101111000100111011011000000000₂
• Hexadecimal: 0x10EF13B600
• Base-36: XETVITC

Squares and roots of 72730523136

• 72730523136 squared (72730523136²) is 5289728995636231274496
• 72730523136 cubed (72730523136³) is 384724757100290961749578094739456
• The square root of 72730523136 is 269685.9713370349
• The cube root of 72730523136 is 4174.1902288551

Scales and comparisons

• 72,730,523,136 seconds is equal to 2,312 years, 31 weeks, 3 days, 11 hours, 5 minutes, 36 seconds.
• To count from 1 to 72,730,523,136 would take you about four thousand, six hundred twenty-five 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 72730523136 cubic inches would be around 347.8 feet tall.

Recreational maths with 72730523136

• 72730523136 backwards is 63132503727
• The number of decimal digits it has is: 11
• The sum of 72730523136's digits is 39
• More coming soon!