138641

Names of 138641

• Cardinal: 138641 can be written as One hundred thirty-eight thousand, six hundred forty-one.

Scientific notation

• Scientific notation: 1.38641 × 10⁵

Factors of 138641

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 138641

Divisors of 138641

• Number of divisors d(n): 2
• Complete list of divisors:
  1 138641
• Sum of all divisors σ(n): 138642
• Sum of proper divisors (its aliquot sum) s(n): 1
• 138641 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 138640

Bases of 138641

• Binary: 100001110110010001₂
• Hexadecimal: 0x21D91
• Base-36: 2YZ5

Squares and roots of 138641

• 138641 squared (138641²) is 19221326881
• 138641 cubed (138641³) is 2664863980108721
• The square root of 138641 is 372.3452698775
• The cube root of 138641 is 51.7563801479

Scales and comparisons

• 138,641 seconds is equal to 1 day, 14 hours, 30 minutes, 41 seconds.
• To count from 1 to 138,641 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 138641 cubic inches would be around 4.3 feet tall.

Recreational maths with 138641

• 138641 backwards is 146831
• The number of decimal digits it has is: 6
• The sum of 138641's digits is 23
• More coming soon!