21428226

21,428,226 is an even composite number composed of four prime numbers multiplied together.

What does the number 21428226 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 72 divisors.

21428226 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.

Prime factorization of 21428226:

2 × 38 × 23 × 71

(2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 23 × 71)

See below for interesting mathematical facts about the number 21428226 from the Numbermatics database.


Names of 21428226

  • Cardinal: 21428226 can be written as Twenty-one million, four hundred twenty-eight thousand, two hundred twenty-six.

Scientific notation

  • Scientific notation: 2.1428226 × 107

Factors of 21428226

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 11
  • Sum of prime factors: 99

Divisors of 21428226

Bases of 21428226

  • Binary: 10100011011111000000000102
  • Hexadecimal: 0x146F802
  • Base-36: CRA4I

Squares and roots of 21428226

  • 21428226 squared (214282262) is 459168869507076
  • 21428226 cubed (214282263) is 9839174307962133127176
  • The square root of 21428226 is 4629.0631881623
  • The cube root of 21428226 is 277.7551196571

Scales and comparisons

How big is 21428226?
  • 21,428,226 seconds is equal to 35 weeks, 3 days, 17 minutes, 6 seconds.
  • To count from 1 to 21,428,226 would take you about twenty-five 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 21428226 cubic inches would be around 23.1 feet tall.

Recreational maths with 21428226

  • 21428226 backwards is 62282412
  • 21428226 is a Harshad number.
  • The number of decimal digits it has is: 8
  • The sum of 21428226's digits is 27
  • More coming soon!

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"Number 21428226 - Facts about the integer". Numbermatics.com. 2024. Web. 13 November 2024.

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Numbermatics. (2024). Number 21428226 - Facts about the integer. Retrieved 13 November 2024, from https://numbermatics.com/n/21428226/

Chicago style:
Numbermatics. 2024. "Number 21428226 - Facts about the integer". https://numbermatics.com/n/21428226/

The information we have on file for 21428226 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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