138607481568

Names of 138607481568

• Cardinal: 138607481568 can be written as One hundred thirty-eight billion, six hundred seven million, four hundred eighty-one thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38607481568 × 10¹¹

Factors of 138607481568

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13493831

Divisors of 138607481568

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 96 107 214 321 428 642 856 1284 1712 2568 3424 5136 10272 13493719 26987438 40481157 53974876 80962314 107949752 161924628 215899504 323849256 431799008 647698512 1295397024 1443827933 2887655866 4331483799 5775311732 8662967598 11550623464 17325935196 23101246928 34651870392 46202493856 69303740784 138607481568
• Sum of all divisors σ(n): 367245083520
• Sum of proper divisors (its aliquot sum) s(n): 228637601952
• 138607481568 is an abundant number, because the sum of its proper divisors (228637601952) is greater than itself. Its abundance is 90030120384

Bases of 138607481568

• Binary: 10000001000101101001100101001011100000₂
• Hexadecimal: 0x2045A652E0
• Base-36: 1ROBBD9C

Squares and roots of 138607481568

• 138607481568 squared (138607481568²) is 19212033946623459738624
• 138607481568 cubed (138607481568³) is 2662931641140401491557716177682432
• The square root of 138607481568 is 372300.2572763011
• The cube root of 138607481568 is 5175.2208864995

Scales and comparisons

• 138,607,481,568 seconds is equal to 4,407 years, 15 weeks, 6 hours, 12 minutes, 48 seconds.
• To count from 1 to 138,607,481,568 would take you about eight thousand, eight hundred fourteen 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 138607481568 cubic inches would be around 431.3 feet tall.

Recreational maths with 138607481568

• 138607481568 backwards is 865184706831
• The number of decimal digits it has is: 12
• The sum of 138607481568's digits is 57
• More coming soon!