21148

21,148 is an even composite number composed of three prime numbers multiplied together.

What does the number 21148 look like?

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

21148 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 21148:

22 × 17 × 311

(2 × 2 × 17 × 311)

See below for interesting mathematical facts about the number 21148 from the Numbermatics database.


Names of 21148

  • Cardinal: 21148 can be written as Twenty-one thousand, one hundred forty-eight.

Scientific notation

  • Scientific notation: 2.1148 × 104

Factors of 21148

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 330

Divisors of 21148

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 39312
  • Sum of proper divisors (its aliquot sum) s(n): 18164
  • 21148 is a deficient number, because the sum of its proper divisors (18164) is less than itself. Its deficiency is 2984

Bases of 21148

  • Binary: 1010010100111002
  • Hexadecimal: 0x529C
  • Base-36: GBG

Squares and roots of 21148

  • 21148 squared (211482) is 447237904
  • 21148 cubed (211483) is 9458187193792
  • The square root of 21148 is 145.4235194183
  • The cube root of 21148 is 27.6539029203

Scales and comparisons

How big is 21148?
  • 21,148 seconds is equal to 5 hours, 52 minutes, 28 seconds.
  • To count from 1 to 21,148 would take you about five 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 21148 cubic inches would be around 2.3 feet tall.

Recreational maths with 21148

  • 21148 backwards is 84112
  • The number of decimal digits it has is: 5
  • The sum of 21148's digits is 16
  • More coming soon!

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"Number 21148 - Facts about the integer". Numbermatics.com. 2024. Web. 8 November 2024.

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Numbermatics. (2024). Number 21148 - Facts about the integer. Retrieved 8 November 2024, from https://numbermatics.com/n/21148/

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Numbermatics. 2024. "Number 21148 - Facts about the integer". https://numbermatics.com/n/21148/

The information we have on file for 21148 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!

Keywords: Divisors of 21148, math, Factors of 21148, curriculum, school, college, exams, university, Prime factorization of 21148, STEM, science, technology, engineering, physics, economics, calculator, twenty-one thousand, one hundred forty-eight.

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