689138

689,138 is an even composite number composed of two prime numbers multiplied together.

What does the number 689138 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

689138 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 689138:

2 × 5872

(2 × 587 × 587)

See below for interesting mathematical facts about the number 689138 from the Numbermatics database.


Names of 689138

  • Cardinal: 689138 can be written as Six hundred eighty-nine thousand, one hundred thirty-eight.

Scientific notation

  • Scientific notation: 6.89138 × 105

Factors of 689138

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 589

Divisors of 689138

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1035471
  • Sum of proper divisors (its aliquot sum) s(n): 346333
  • 689138 is a deficient number, because the sum of its proper divisors (346333) is less than itself. Its deficiency is 342805

Bases of 689138

  • Binary: 101010000011111100102
  • Hexadecimal: 0xA83F2
  • Base-36: ERQQ

Squares and roots of 689138

  • 689138 squared (6891382) is 474911183044
  • 689138 cubed (6891383) is 327279342860576072
  • The square root of 689138 is 830.1433611131
  • The cube root of 689138 is 88.3287462513

Scales and comparisons

How big is 689138?
  • 689,138 seconds is equal to 1 week, 23 hours, 25 minutes, 38 seconds.
  • To count from 1 to 689,138 would take you about twenty-three 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 689138 cubic inches would be around 7.4 feet tall.

Recreational maths with 689138

  • 689138 backwards is 831986
  • The number of decimal digits it has is: 6
  • The sum of 689138's digits is 35
  • More coming soon!

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The information we have on file for 689138 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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