21524142

21,524,142 is an even composite number composed of four prime numbers multiplied together.

What does the number 21524142 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

21524142 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21524142:

2 × 3 × 17² × 12413

(2 × 3 × 17 × 17 × 12413)

See below for interesting mathematical facts about the number 21524142 from the Numbermatics database.

Names of 21524142

Cardinal: 21524142 can be written as Twenty-one million, five hundred twenty-four thousand, one hundred forty-two.

Scientific notation

Scientific notation: 2.1524142 × 10⁷

Factors of 21524142

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 12435

Divisors of 21524142

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 6 17 34 51 102 289 578 867 1734 12413 24826 37239 74478 211021 422042 633063 1266126 3587357 7174714 10762071 21524142
Sum of all divisors σ(n): 45733176
Sum of proper divisors (its aliquot sum) s(n): 24209034
21524142 is an abundant number, because the sum of its proper divisors (24209034) is greater than itself. Its abundance is 2684892

Bases of 21524142

Binary: 1010010000110111010101110₂
Hexadecimal: 0x1486EAE
Base-36: CTC4U

Squares and roots of 21524142

21524142 squared (21524142²) is 463288688836164
21524142 cubed (21524142³) is 9971891525503408671288
The square root of 21524142 is 4639.4118161681
The cube root of 21524142 is 278.1689275733

Scales and comparisons

How big is 21524142?

21,524,142 seconds is equal to 35 weeks, 4 days, 2 hours, 55 minutes, 42 seconds.
To count from 1 to 21,524,142 would take you about two days!

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 21524142 cubic inches would be around 23.2 feet tall.

Recreational maths with 21524142

21524142 backwards is 24142512
The number of decimal digits it has is: 8
The sum of 21524142's digits is 21
More coming soon!

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The information we have on file for 21524142 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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