137980081

Names of 137980081

• Cardinal: 137980081 can be written as One hundred thirty-seven million, nine hundred eighty thousand and eighty-one.

Scientific notation

• Scientific notation: 1.37980081 × 10⁸

Factors of 137980081

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 137980081

Divisors of 137980081

• Number of divisors d(n): 2
• Complete list of divisors:
  1 137980081
• Sum of all divisors σ(n): 137980082
• Sum of proper divisors (its aliquot sum) s(n): 1
• 137980081 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 137980080

Bases of 137980081

• Binary: 1000001110010110100010110001₂
• Hexadecimal: 0x83968B1
• Base-36: 2A5E41

Squares and roots of 137980081

• 137980081 squared (137980081²) is 19038502752766561
• 137980081 cubed (137980081³) is 2626934151945453060871441
• The square root of 137980081 is 11746.4922849335
• The cube root of 137980081 is 516.7400606569

Scales and comparisons

• 137,980,081 seconds is equal to 4 years, 20 weeks, 23 hours, 48 minutes, 1 second.
• To count from 1 to 137,980,081 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 137980081 cubic inches would be around 43.1 feet tall.

Recreational maths with 137980081

• 137980081 backwards is 180089731
• The number of decimal digits it has is: 9
• The sum of 137980081's digits is 37
• More coming soon!