21384

21,384 is an even composite number composed of three prime numbers multiplied together.

What does the number 21384 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 48 divisors.

21384 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21384:

23 × 35 × 11

(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 11)

See below for interesting mathematical facts about the number 21384 from the Numbermatics database.

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Names Factors Divisors Scales Roots Fun

Names of 21384

  • Cardinal: 21384 can be written as Twenty-one thousand, three hundred eighty-four.

Scientific notation

  • Scientific notation: 2.1384 × 104

Factors of 21384

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 9
  • Sum of prime factors: 16

Divisors of 21384

Bases of 21384

  • Binary: 1010011100010002
  • Hexadecimal: 0x5388
  • Base-36: GI0

Squares and roots of 21384

  • 21384 squared (213842) is 457275456
  • 21384 cubed (213843) is 9778378351104
  • The square root of 21384 is 146.2326912835
  • The cube root of 21384 is 27.7563900551

Scales and comparisons

How big is 21384?
  • 21,384 seconds is equal to 5 hours, 56 minutes, 24 seconds.
  • To count from 1 to 21,384 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 21384 cubic inches would be around 2.3 feet tall.

Recreational maths with 21384

  • 21384 backwards is 48312
  • 21384 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 21384's digits is 18
  • More coming soon!

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The information we have on file for 21384 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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