138977

Names of 138977

• Cardinal: 138977 can be written as One hundred thirty-eight thousand, nine hundred seventy-seven.

Scientific notation

• Scientific notation: 1.38977 × 10⁵

Factors of 138977

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 138977

Divisors of 138977

• Number of divisors d(n): 2
• Complete list of divisors:
  1 138977
• Sum of all divisors σ(n): 138978
• Sum of proper divisors (its aliquot sum) s(n): 1
• 138977 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 138976

Bases of 138977

• Binary: 100001111011100001₂
• Hexadecimal: 0x21EE1
• Base-36: 2Z8H

Squares and roots of 138977

• 138977 squared (138977²) is 19314606529
• 138977 cubed (138977³) is 2684286071580833
• The square root of 138977 is 372.7961909675
• The cube root of 138977 is 51.7981573859

Scales and comparisons

• 138,977 seconds is equal to 1 day, 14 hours, 36 minutes, 17 seconds.
• To count from 1 to 138,977 would take you about fourteen hours.

  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 138977 cubic inches would be around 4.3 feet tall.

Recreational maths with 138977

• 138977 backwards is 779831
• The number of decimal digits it has is: 6
• The sum of 138977's digits is 35
• More coming soon!