139357849

Names of 139357849

• Cardinal: 139357849 can be written as One hundred thirty-nine million, three hundred fifty-seven thousand, eight hundred forty-nine.

Scientific notation

• Scientific notation: 1.39357849 × 10⁸

Factors of 139357849

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 139357849

Divisors of 139357849

• Number of divisors d(n): 2
• Complete list of divisors:
  1 139357849
• Sum of all divisors σ(n): 139357850
• Sum of proper divisors (its aliquot sum) s(n): 1
• 139357849 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 139357848

Bases of 139357849

• Binary: 1000010011100110111010011001₂
• Hexadecimal: 0x84E6E99
• Base-36: 2AYX7D

Squares and roots of 139357849

• 139357849 squared (139357849²) is 19420610077906801
• 139357849 cubed (139357849³) is 2706414446724814209831049
• The square root of 139357849 is 11804.9925455293
• The cube root of 139357849 is 518.4542967743

Scales and comparisons

• 139,357,849 seconds is equal to 4 years, 22 weeks, 2 days, 22 hours, 30 minutes, 49 seconds.
• To count from 1 to 139,357,849 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 139357849 cubic inches would be around 43.2 feet tall.

Recreational maths with 139357849

• 139357849 backwards is 948753931
• The number of decimal digits it has is: 9
• The sum of 139357849's digits is 49
• More coming soon!