139138318

Names of 139138318

• Cardinal: 139138318 can be written as One hundred thirty-nine million, one hundred thirty-eight thousand, three hundred eighteen.

Scientific notation

• Scientific notation: 1.39138318 × 10⁸

Factors of 139138318

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6324482

Divisors of 139138318

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 11 22 6324469 12648938 69569159 139138318
• Sum of all divisors σ(n): 227680920
• Sum of proper divisors (its aliquot sum) s(n): 88542602
• 139138318 is a deficient number, because the sum of its proper divisors (88542602) is less than itself. Its deficiency is 50595716

Bases of 139138318

• Binary: 1000010010110001010100001110₂
• Hexadecimal: 0x84B150E
• Base-36: 2AU7TA

Squares and roots of 139138318

• 139138318 squared (139138318²) is 19359471535869124
• 139138318 cubed (139138318³) is 2693644306869706581493432
• The square root of 139138318 is 11795.6906537939
• The cube root of 139138318 is 518.1819126239

Scales and comparisons

• 139,138,318 seconds is equal to 4 years, 22 weeks, 9 hours, 31 minutes, 58 seconds.
• To count from 1 to 139,138,318 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 139138318 cubic inches would be around 43.2 feet tall.

Recreational maths with 139138318

• 139138318 backwards is 813831931
• The number of decimal digits it has is: 9
• The sum of 139138318's digits is 37
• More coming soon!