1690

1,690 is an even composite number composed of three prime numbers multiplied together.

What does the number 1690 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

1690 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 1690:

2 × 5 × 132

(2 × 5 × 13 × 13)

See below for interesting mathematical facts about the number 1690 from the Numbermatics database.


Names of 1690

  • Cardinal: 1690 can be written as One thousand, six hundred ninety.

Scientific notation

  • Scientific notation: 1.69 × 103

Factors of 1690

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 20

Divisors of 1690

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 3294
  • Sum of proper divisors (its aliquot sum) s(n): 1604
  • 1690 is a deficient number, because the sum of its proper divisors (1604) is less than itself. Its deficiency is 86

Bases of 1690

  • Binary: 110100110102
  • Hexadecimal: 0x69A
  • Base-36: 1AY

Squares and roots of 1690

  • 1690 squared (16902) is 2856100
  • 1690 cubed (16903) is 4826809000
  • The square root of 1690 is 41.1096095821
  • The cube root of 1690 is 11.9113842519

Scales and comparisons

How big is 1690?
  • 1,690 seconds is equal to 28 minutes, 10 seconds.
  • To count from 1 to 1,690 would take you about twenty-eight minutes.

    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 1690 cubic inches would be around 1 feet tall.

Recreational maths with 1690

  • 1690 backwards is 0961
  • The number of decimal digits it has is: 4
  • The sum of 1690's digits is 16
  • More coming soon!

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The information we have on file for 1690 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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