21132724

21,132,724 is an even composite number composed of three prime numbers multiplied together.

What does the number 21132724 look like?

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

21132724 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 21132724:

2² × 71 × 74411

(2 × 2 × 71 × 74411)

See below for interesting mathematical facts about the number 21132724 from the Numbermatics database.

Names of 21132724

Cardinal: 21132724 can be written as Twenty-one million, one hundred thirty-two thousand, seven hundred twenty-four.

Scientific notation

Scientific notation: 2.1132724 × 10⁷

Factors of 21132724

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 74484

Divisors of 21132724

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 71 142 284 74411 148822 297644 5283181 10566362 21132724
Sum of all divisors σ(n): 37503648
Sum of proper divisors (its aliquot sum) s(n): 16370924
21132724 is a deficient number, because the sum of its proper divisors (16370924) is less than itself. Its deficiency is 4761800

Bases of 21132724

Binary: 1010000100111010110110100₂
Hexadecimal: 0x14275B4
Base-36: CKY44

Squares and roots of 21132724

21132724 squared (21132724²) is 446592023660176
21132724 cubed (21132724³) is 9437705976611969199424
The square root of 21132724 is 4597.0342613473
The cube root of 21132724 is 276.4724282995

Scales and comparisons

How big is 21132724?

21,132,724 seconds is equal to 34 weeks, 6 days, 14 hours, 12 minutes, 4 seconds.
To count from 1 to 21,132,724 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 21132724 cubic inches would be around 23 feet tall.

Recreational maths with 21132724

21132724 backwards is 42723112
The number of decimal digits it has is: 8
The sum of 21132724's digits is 22
More coming soon!

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The information we have on file for 21132724 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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