138893

Names of 138893

• Cardinal: 138893 can be written as One hundred thirty-eight thousand, eight hundred ninety-three.

Scientific notation

• Scientific notation: 1.38893 × 10⁵

Factors of 138893

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 138893

Divisors of 138893

• Number of divisors d(n): 2
• Complete list of divisors:
  1 138893
• Sum of all divisors σ(n): 138894
• Sum of proper divisors (its aliquot sum) s(n): 1
• 138893 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 138892

Bases of 138893

• Binary: 100001111010001101₂
• Hexadecimal: 0x21E8D
• Base-36: 2Z65

Squares and roots of 138893

• 138893 squared (138893²) is 19291265449
• 138893 cubed (138893³) is 2679421732007957
• The square root of 138893 is 372.6835118435
• The cube root of 138893 is 51.7877193947

Scales and comparisons

• 138,893 seconds is equal to 1 day, 14 hours, 34 minutes, 53 seconds.
• To count from 1 to 138,893 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 138893 cubic inches would be around 4.3 feet tall.

Recreational maths with 138893

• 138893 backwards is 398831
• The number of decimal digits it has is: 6
• The sum of 138893's digits is 32
• More coming soon!