138469

Names of 138469

• Cardinal: 138469 can be written as One hundred thirty-eight thousand, four hundred sixty-nine.

Scientific notation

• Scientific notation: 1.38469 × 10⁵

Factors of 138469

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 138469

Divisors of 138469

• Number of divisors d(n): 2
• Complete list of divisors:
  1 138469
• Sum of all divisors σ(n): 138470
• Sum of proper divisors (its aliquot sum) s(n): 1
• 138469 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 138468

Bases of 138469

• Binary: 100001110011100101₂
• Hexadecimal: 0x21CE5
• Base-36: 2YUD

Squares and roots of 138469

• 138469 squared (138469²) is 19173663961
• 138469 cubed (138469³) is 2654958075015709
• The square root of 138469 is 372.1142297737
• The cube root of 138469 is 51.7349680565

Scales and comparisons

• 138,469 seconds is equal to 1 day, 14 hours, 27 minutes, 49 seconds.
• To count from 1 to 138,469 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 138469 cubic inches would be around 4.3 feet tall.

Recreational maths with 138469

• 138469 backwards is 964831
• The number of decimal digits it has is: 6
• The sum of 138469's digits is 31
• More coming soon!