9890

9,890 is an even composite number composed of four prime numbers multiplied together.

What does the number 9890 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

9890 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 9890:

2 × 5 × 23 × 43

See below for interesting mathematical facts about the number 9890 from the Numbermatics database.


Names of 9890

  • Cardinal: 9890 can be written as Nine thousand, eight hundred ninety.

Scientific notation

  • Scientific notation: 9.89 × 103

Factors of 9890

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 73

Divisors of 9890

  • Number of divisors d(n): 16
  • Complete list of divisors:
  • Sum of all divisors σ(n): 19008
  • Sum of proper divisors (its aliquot sum) s(n): 9118
  • 9890 is a deficient number, because the sum of its proper divisors (9118) is less than itself. Its deficiency is 772

Bases of 9890

  • Binary: 100110101000102
  • Hexadecimal: 0x26A2
  • Base-36: 7MQ

Squares and roots of 9890

  • 9890 squared (98902) is 97812100
  • 9890 cubed (98903) is 967361669000
  • The square root of 9890 is 99.4484791237
  • The cube root of 9890 is 21.4650595267

Scales and comparisons

How big is 9890?
  • 9,890 seconds is equal to 2 hours, 44 minutes, 50 seconds.
  • To count from 1 to 9,890 would take you about two 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 9890 cubic inches would be around 1.8 feet tall.

Recreational maths with 9890

  • 9890 backwards is 0989
  • The number of decimal digits it has is: 4
  • The sum of 9890's digits is 26
  • More coming soon!

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"Number 9890 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

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Numbermatics. (2024). Number 9890 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/9890/

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The information we have on file for 9890 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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