72139726764

Names of 72139726764

• Cardinal: 72139726764 can be written as Seventy-two billion, one hundred thirty-nine million, seven hundred twenty-six thousand, seven hundred sixty-four.

Scientific notation

• Scientific notation: 7.2139726764 × 10¹⁰

Factors of 72139726764

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 182988

Divisors of 72139726764

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 523 756 1046 1569 2092 3138 3661 4707 6276 7322 9414 10983 14121 14644 18828 21966 28242 32949 43932 56484 65898 98847 131796 182453 197694 364906 395388 547359 729812 1094718 1277171 1642077 2189436 2554342 3284154 3831513 4926231 5108684 6568308 7663026 9852462 11494539 15326052 19704924 22989078 34483617 45978156 68967234 95422919 137934468 190845838 286268757 381691676 572537514 667960433 858806271 1145075028 1335920866 1717612542 2003881299 2576418813 2671841732 3435225084 4007762598 5152837626 6011643897 8015525196 10305675252 12023287794 18034931691 24046575588 36069863382 72139726764
• Sum of all divisors σ(n): 214157207040
• Sum of proper divisors (its aliquot sum) s(n): 142017480276
• 72139726764 is an abundant number, because the sum of its proper divisors (142017480276) is greater than itself. Its abundance is 69877753512

Bases of 72139726764

• Binary: 1000011001011110111001101111110101100₂
• Hexadecimal: 0x10CBDCDFAC
• Base-36: X524PF0

Squares and roots of 72139726764

• 72139726764 squared (72139726764²) is 5204140177584577911696
• 72139726764 cubed (72139726764³) is 375425250452505888050019159831744
• The square root of 72139726764 is 268588.3965550261
• The cube root of 72139726764 is 4162.8570495443

Scales and comparisons

• 72,139,726,764 seconds is equal to 2,293 years, 42 weeks, 4 days, 12 hours, 59 minutes, 24 seconds.
• To count from 1 to 72,139,726,764 would take you about four thousand, five hundred eighty-seven 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 72139726764 cubic inches would be around 346.9 feet tall.

Recreational maths with 72139726764

• 72139726764 backwards is 46762793127
• 72139726764 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72139726764's digits is 54
• More coming soon!