72061568768

Names of 72061568768

• Cardinal: 72061568768 can be written as Seventy-two billion, sixty-one million, five hundred sixty-eight thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 7.2061568768 × 10¹⁰

Factors of 72061568768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 21963

Divisors of 72061568768

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 2017 4034 8068 14119 16136 19937 28238 32272 39874 56476 64544 79748 112952 129088 139559 159496 225904 258176 279118 318992 451808 516352 558236 637984 903616 1116472 1275968 1807232 2232944 2551936 3614464 4465888 5103872 8931776 17863552 35727104 40212929 80425858 160851716 281490503 321703432 562981006 643406864 1125962012 1286813728 2251924024 2573627456 4503848048 5147254912 9007696096 10294509824 18015392192 36030784384 72061568768
• Sum of all divisors σ(n): 164480205792
• Sum of proper divisors (its aliquot sum) s(n): 92418637024
• 72061568768 is an abundant number, because the sum of its proper divisors (92418637024) is greater than itself. Its abundance is 20357068256

Bases of 72061568768

• Binary: 1000011000111001101000100011100000000₂
• Hexadecimal: 0x10C7344700
• Base-36: X3RLIBK

Squares and roots of 72061568768

• 72061568768 squared (72061568768²) is 5192869693305193037824
• 72061568768 cubed (72061568768³) is 374206336507375237306669001080832
• The square root of 72061568768 is 268442.8594095957
• The cube root of 72061568768 is 4161.3531249095

Scales and comparisons

• 72,061,568,768 seconds is equal to 2,291 years, 17 weeks, 2 days, 22 hours, 26 minutes, 8 seconds.
• To count from 1 to 72,061,568,768 would take you about four thousand, five hundred eighty-two 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 72061568768 cubic inches would be around 346.8 feet tall.

Recreational maths with 72061568768

• 72061568768 backwards is 86786516027
• 72061568768 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72061568768's digits is 56
• More coming soon!