21066

21,066 is an even composite number composed of three prime numbers multiplied together.

What does the number 21066 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

21066 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 21066:

2 × 3 × 3511

See below for interesting mathematical facts about the number 21066 from the Numbermatics database.


Names of 21066

  • Cardinal: 21066 can be written as Twenty-one thousand and sixty-six.

Scientific notation

  • Scientific notation: 2.1066 × 104

Factors of 21066

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 3516

Divisors of 21066

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 42144
  • Sum of proper divisors (its aliquot sum) s(n): 21078
  • 21066 is an abundant number, because the sum of its proper divisors (21078) is greater than itself. Its abundance is 12

Bases of 21066

  • Binary: 1010010010010102
  • Hexadecimal: 0x524A
  • Base-36: G96

Squares and roots of 21066

  • 21066 squared (210662) is 443776356
  • 21066 cubed (210663) is 9348592715496
  • The square root of 21066 is 145.1413104529
  • The cube root of 21066 is 27.6181145525

Scales and comparisons

How big is 21066?
  • 21,066 seconds is equal to 5 hours, 51 minutes, 6 seconds.
  • To count from 1 to 21,066 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 21066 cubic inches would be around 2.3 feet tall.

Recreational maths with 21066

  • 21066 backwards is 66012
  • The number of decimal digits it has is: 5
  • The sum of 21066's digits is 15
  • More coming soon!

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"Number 21066 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

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Numbermatics. (2024). Number 21066 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/21066/

Chicago style:
Numbermatics. 2024. "Number 21066 - Facts about the integer". https://numbermatics.com/n/21066/

The information we have on file for 21066 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 21066, math, Factors of 21066, curriculum, school, college, exams, university, Prime factorization of 21066, STEM, science, technology, engineering, physics, economics, calculator, twenty-one thousand and sixty-six.

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