72461916387

Names of 72461916387

• Cardinal: 72461916387 can be written as Seventy-two billion, four hundred sixty-one million, nine hundred sixteen thousand, three hundred eighty-seven.

Scientific notation

• Scientific notation: 7.2461916387 × 10¹⁰

Factors of 72461916387

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 28291

Divisors of 72461916387

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 19 21 27 57 63 133 171 189 399 513 733 1197 2199 3591 5131 6597 13927 15393 19791 27529 41781 46179 82587 97489 125343 138537 192703 247761 292467 376029 523051 578109 743283 877401 1569153 1734327 2632203 3661357 4707459 5202981 10984071 14122377 20178757 32952213 60536271 98856639 141251299 181608813 383396383 423753897 544826439 1150189149 1271261691 2683774681 3450567447 3813785073 8051324043 10351702341 24153972129 72461916387
• Sum of all divisors σ(n): 129324928000
• Sum of proper divisors (its aliquot sum) s(n): 56863011613
• 72461916387 is a deficient number, because the sum of its proper divisors (56863011613) is less than itself. Its deficiency is 15598904774

Bases of 72461916387

• Binary: 1000011011111000100010001100011100011₂
• Hexadecimal: 0x10DF1118E3
• Base-36: XADYCIR

Squares and roots of 72461916387

• 72461916387 squared (72461916387²) is 5250729326476579133769
• 72461916387 cubed (72461916387³) is 380477909425914702504958166172603
• The square root of 72461916387 is 269187.5115732525
• The cube root of 72461916387 is 4169.0452143525

Scales and comparisons

• 72,461,916,387 seconds is equal to 2,304 years, 3 weeks, 2 days, 14 hours, 6 minutes, 27 seconds.
• To count from 1 to 72,461,916,387 would take you about four thousand, six hundred eight 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 72461916387 cubic inches would be around 347.4 feet tall.

Recreational maths with 72461916387

• 72461916387 backwards is 78361916427
• The number of decimal digits it has is: 11
• The sum of 72461916387's digits is 54
• More coming soon!