138505273425

Names of 138505273425

• Cardinal: 138505273425 can be written as One hundred thirty-eight billion, five hundred five million, two hundred seventy-three thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.38505273425 × 10¹¹

Factors of 138505273425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 141179

Divisors of 138505273425

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 15 17 25 45 51 75 85 153 225 255 257 425 765 771 1275 1285 2313 3825 3855 4369 6425 11565 13107 19275 21845 39321 57825 65535 109225 140897 196605 327675 422691 704485 983025 1268073 2113455 2395249 3522425 6340365 7185747 10567275 11976245 21557241 31701825 35928735 36210529 59881225 107786205 108631587 179643675 181052645 325894761 538931025 543157935 615578993 905263225 1629473805 1846736979 2715789675 3077894965 5540210937 8147369025 9233684895 15389474825 27701054685 46168424475 138505273425
• Sum of all divisors σ(n): 263695115736
• Sum of proper divisors (its aliquot sum) s(n): 125189842311
• 138505273425 is a deficient number, because the sum of its proper divisors (125189842311) is less than itself. Its deficiency is 13315431114

Bases of 138505273425

• Binary: 10000000111111100011101100000001010001₂
• Hexadecimal: 0x203F8EC051
• Base-36: 1RMMGOY9

Squares and roots of 138505273425

• 138505273425 squared (138505273425²) is 19183710766534011230625
• 138505273425 cubed (138505273425³) is 2657045105024909565059736358640625
• The square root of 138505273425 is 372162.9662191015
• The cube root of 138505273425 is 5173.9485170277

Scales and comparisons

• 138,505,273,425 seconds is equal to 4,404 years, 2 weeks, 7 hours, 3 minutes, 45 seconds.
• To count from 1 to 138,505,273,425 would take you about eight thousand, eight 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 138505273425 cubic inches would be around 431.2 feet tall.

Recreational maths with 138505273425

• 138505273425 backwards is 524372505831
• 138505273425 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138505273425's digits is 45
• More coming soon!