138079185530

Names of 138079185530

• Cardinal: 138079185530 can be written as One hundred thirty-eight billion, seventy-nine million, one hundred eighty-five thousand, five hundred thirty.

Scientific notation

• Scientific notation: 1.3807918553 × 10¹¹

Factors of 138079185530

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 32031

Divisors of 138079185530

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 3373 6746 16865 28627 33730 37103 43849 57254 74206 87698 143135 185515 219245 286270 314897 371030 372151 438490 482339 629794 744302 964678 1574485 1860755 2411695 3148970 3721510 4093661 4823390 8187322 20468305 40936610 96558871 193117742 482794355 965588710 1062147581 1255265323 2124295162 2510530646 5310737905 6276326615 10621475810 12552653230 13807918553 27615837106 69039592765 138079185530
• Sum of all divisors σ(n): 292090796928
• Sum of proper divisors (its aliquot sum) s(n): 154011611398
• 138079185530 is an abundant number, because the sum of its proper divisors (154011611398) is greater than itself. Its abundance is 15932425868

Bases of 138079185530

• Binary: 10000000100110001010010010101001111010₂
• Hexadecimal: 0x2026292A7A
• Base-36: 1RFKS5FE

Squares and roots of 138079185530

• 138079185530 squared (138079185530²) is 19065861476628161380900
• 138079185530 cubed (138079185530³) is 2632598624120619654136072098377000
• The square root of 138079185530 is 371590.0772760219
• The cube root of 138079185530 is 5168.6374765227

Scales and comparisons

• 138,079,185,530 seconds is equal to 4,390 years, 25 weeks, 3 days, 17 hours, 18 minutes, 50 seconds.
• To count from 1 to 138,079,185,530 would take you about eight thousand, seven hundred eighty 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 138079185530 cubic inches would be around 430.7 feet tall.

Recreational maths with 138079185530

• 138079185530 backwards is 035581970831
• The number of decimal digits it has is: 12
• The sum of 138079185530's digits is 50
• More coming soon!