139006242

Names of 139006242

• Cardinal: 139006242 can be written as One hundred thirty-nine million, six thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 1.39006242 × 10⁸

Factors of 139006242

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 166

Divisors of 139006242

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 19 38 57 59 83 114 118 166 171 177 249 342 354 498 531 747 1062 1121 1494 1577 2242 3154 3363 4731 4897 6726 6889 9462 9794 10089 13778 14193 14691 20178 20667 28386 29382 41334 44073 62001 88146 93043 124002 130891 186086 261782 279129 392673 406451 558258 785346 812902 837387 1178019 1219353 1674774 2356038 2438706 3658059 7316118 7722569 15445138 23167707 46335414 69503121 139006242
• Sum of all divisors σ(n): 326336400
• Sum of proper divisors (its aliquot sum) s(n): 187330158
• 139006242 is an abundant number, because the sum of its proper divisors (187330158) is greater than itself. Its abundance is 48323916

Bases of 139006242

• Binary: 1000010010010001000100100010₂
• Hexadecimal: 0x8491122
• Base-36: 2ARDWI

Squares and roots of 139006242

• 139006242 squared (139006242²) is 19322735314962564
• 139006242 cubed (139006242³) is 2685980821293632392324488
• The square root of 139006242 is 11790.0908393447
• The cube root of 139006242 is 518.0179006251

Scales and comparisons

• 139,006,242 seconds is equal to 4 years, 21 weeks, 5 days, 20 hours, 50 minutes, 42 seconds.
• To count from 1 to 139,006,242 would take you about six 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 139006242 cubic inches would be around 43.2 feet tall.

Recreational maths with 139006242

• 139006242 backwards is 242600931
• The number of decimal digits it has is: 9
• The sum of 139006242's digits is 27
• More coming soon!