72129589029

Names of 72129589029

• Cardinal: 72129589029 can be written as Seventy-two billion, one hundred twenty-nine million, five hundred eighty-nine thousand and twenty-nine.

Scientific notation

• Scientific notation: 7.2129589029 × 10¹⁰

Factors of 72129589029

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 445

Divisors of 72129589029

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 41 43 47 123 129 141 311 369 387 423 933 1763 1927 2021 2799 5289 5781 6063 12751 13373 14617 15867 17343 18189 38253 40119 43851 82861 96721 114759 120357 131553 248583 290163 548293 599297 628531 745749 870489 1644879 1797891 1885593 3965561 4159003 4545887 4934637 5393673 5656779 11896683 12477009 13637661 25769771 35690049 37431027 40912983 77309313 170519123 186381367 195473141 231927939 511557369 559144101 586419423 1534672107 1677432303 1759258269 8014398781 24043196343 72129589029
• Sum of all divisors σ(n): 111893798016
• Sum of proper divisors (its aliquot sum) s(n): 39764208987
• 72129589029 is a deficient number, because the sum of its proper divisors (39764208987) is less than itself. Its deficiency is 32365380042

Bases of 72129589029

• Binary: 1000011001011010000100010111100100101₂
• Hexadecimal: 0x10CB422F25
• Base-36: X4W3F39

Squares and roots of 72129589029

• 72129589029 squared (72129589029²) is 5202677613492437162841
• 72129589029 cubed (72129589029³) is 375266998111587997955328080071389
• The square root of 72129589029 is 268569.5236414587
• The cube root of 72129589029 is 4162.6620394783

Scales and comparisons

• 72,129,589,029 seconds is equal to 2,293 years, 25 weeks, 6 days, 4 hours, 57 minutes, 9 seconds.
• To count from 1 to 72,129,589,029 would take you about four thousand, five hundred eighty-six 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 72129589029 cubic inches would be around 346.9 feet tall.

Recreational maths with 72129589029

• 72129589029 backwards is 92098592127
• The number of decimal digits it has is: 11
• The sum of 72129589029's digits is 54
• More coming soon!