139322521

Names of 139322521

• Cardinal: 139322521 can be written as One hundred thirty-nine million, three hundred twenty-two thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 1.39322521 × 10⁸

Factors of 139322521

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10717130

Divisors of 139322521

• Number of divisors d(n): 4
• Complete list of divisors:
  1 13 10717117 139322521
• Sum of all divisors σ(n): 150039652
• Sum of proper divisors (its aliquot sum) s(n): 10717131
• 139322521 is a deficient number, because the sum of its proper divisors (10717131) is less than itself. Its deficiency is 128605390

Bases of 139322521

• Binary: 1000010011011110010010011001₂
• Hexadecimal: 0x84DE499
• Base-36: 2AY5Y1

Squares and roots of 139322521

• 139322521 squared (139322521²) is 19410764857795441
• 139322521 cubed (139322521³) is 2704356694526267342426761
• The square root of 139322521 is 11803.4961346205
• The cube root of 139322521 is 518.4104827099

Scales and comparisons

• 139,322,521 seconds is equal to 4 years, 22 weeks, 2 days, 12 hours, 42 minutes, 1 second.
• To count from 1 to 139,322,521 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 139322521 cubic inches would be around 43.2 feet tall.

Recreational maths with 139322521

• 139322521 backwards is 125223931
• The number of decimal digits it has is: 9
• The sum of 139322521's digits is 28
• More coming soon!