72815131380256

Names of 72815131380256

• Cardinal: 72815131380256 can be written as Seventy-two trillion, eight hundred fifteen billion, one hundred thirty-one million, three hundred eighty thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 7.2815131380256 × 10¹³

Factors of 72815131380256

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 21540

Divisors of 72815131380256

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 17 32 34 68 136 272 289 544 578 1156 2312 4624 4913 9248 9826 19652 21521 39304 43042 78608 86084 157216 172168 344336 365857 688672 731714 1463428 2926856 5853712 6219569 11707424 12439138 24878276 49756552 99513104 105732673 199026208 211465346 422930692 463153441 845861384 926306882 1691722768 1852613764 3383445536 3705227528 7410455056 7873608497 14820910112 15747216994 31494433988 62988867976 125977735952 133851344449 251955471904 267702688898 535405377796 1070810755592 2141621511184 2275472855633 4283243022368 4550945711266 9101891422532 18203782845064 36407565690128 72815131380256
• Sum of all divisors σ(n): 152319718332180
• Sum of proper divisors (its aliquot sum) s(n): 79504586951924
• 72815131380256 is an abundant number, because the sum of its proper divisors (79504586951924) is greater than itself. Its abundance is 6689455571668

Bases of 72815131380256

• Binary: 10000100011100110011000000010100100101000100000₂
• Hexadecimal: 0x4239980A4A20
• Base-36: PT6T56XWG

Squares and roots of 72815131380256

• 72815131380256 squared (72815131380256²) is 5302043357923942051666625536
• 72815131380256 cubed (72815131380256³) is 386068983691045527639240615530329575817216
• The square root of 72815131380256 is 8533178.2695696683
• The cube root of 72815131380256 is 41758.0822925101

Scales and comparisons

• 72,815,131,380,256 seconds is equal to 2,315,295 years, 49 weeks, 1 day, 7 hours, 24 minutes, 16 seconds.
• To count from 1 to 72,815,131,380,256 would take you about five million, seven hundred eighty-eight 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 72815131380256 cubic inches would be around 3479.8 feet tall.

Recreational maths with 72815131380256

• 72815131380256 backwards is 65208313151827
• The number of decimal digits it has is: 14
• The sum of 72815131380256's digits is 52
• More coming soon!