72740970394728

Names of 72740970394728

• Cardinal: 72740970394728 can be written as Seventy-two trillion, seven hundred forty billion, nine hundred seventy million, three hundred ninety-four thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2740970394728 × 10¹³

Factors of 72740970394728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 542594

Divisors of 72740970394728

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 24 43 86 129 172 258 344 516 1032 215563 326983 431126 646689 653966 862252 980949 1293378 1307932 1724504 1961898 2586756 2615864 3923796 5173512 7847592 9269209 14060269 18538418 27807627 28120538 37076836 42180807 55615254 56241076 74153672 84361614 111230508 112482152 168723228 222461016 337446456 70485436429 140970872858 211456309287 281941745716 422912618574 563883491432 845825237148 1691650474296 3030873766447 6061747532894 9092621299341 12123495065788 18185242598682 24246990131576 36370485197364 72740970394728
• Sum of all divisors σ(n): 186082984496640
• Sum of proper divisors (its aliquot sum) s(n): 113342014101912
• 72740970394728 is an abundant number, because the sum of its proper divisors (113342014101912) is greater than itself. Its abundance is 40601043707184

Bases of 72740970394728

• Binary: 10000100010100001010011101100110111010001101000₂
• Hexadecimal: 0x422853B37468
• Base-36: PS8QNNN8O

Squares and roots of 72740970394728

• 72740970394728 squared (72740970394728²) is 5291248773966695368130193984
• 72740970394728 cubed (72740970394728³) is 384890570418252214822623125955619690916352
• The square root of 72740970394728 is 8528831.7133548837
• The cube root of 72740970394728 is 41743.9008422799

Scales and comparisons

• 72,740,970,394,728 seconds is equal to 2,312,937 years, 44 weeks, 3 days, 13 hours, 38 minutes, 48 seconds.
• To count from 1 to 72,740,970,394,728 would take you about five million, seven hundred eighty-two thousand, three hundred forty-four 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 72740970394728 cubic inches would be around 3478.7 feet tall.

Recreational maths with 72740970394728

• 72740970394728 backwards is 82749307904727
• The number of decimal digits it has is: 14
• The sum of 72740970394728's digits is 69
• More coming soon!