21432

21,432 is an even composite number composed of four prime numbers multiplied together.

What does the number 21432 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

21432 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21432:

2³ × 3 × 19 × 47

(2 × 2 × 2 × 3 × 19 × 47)

See below for interesting mathematical facts about the number 21432 from the Numbermatics database.

Names of 21432

Cardinal: 21432 can be written as Twenty-one thousand, four hundred thirty-two.

Scientific notation

Scientific notation: 2.1432 × 10⁴

Factors of 21432

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 71

Divisors of 21432

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 4 6 8 12 19 24 38 47 57 76 94 114 141 152 188 228 282 376 456 564 893 1128 1786 2679 3572 5358 7144 10716 21432
Sum of all divisors σ(n): 57600
Sum of proper divisors (its aliquot sum) s(n): 36168
21432 is an abundant number, because the sum of its proper divisors (36168) is greater than itself. Its abundance is 14736

Bases of 21432

Binary: 101001110111000₂
Hexadecimal: 0x53B8
Base-36: GJC

Squares and roots of 21432

21432 squared (21432²) is 459330624
21432 cubed (21432³) is 9844373933568
The square root of 21432 is 146.3967212747
The cube root of 21432 is 27.7771425039

Scales and comparisons

How big is 21432?

21,432 seconds is equal to 5 hours, 57 minutes, 12 seconds.
To count from 1 to 21,432 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 21432 cubic inches would be around 2.3 feet tall.

Recreational maths with 21432

21432 backwards is 23412
21432 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 21432's digits is 12
More coming soon!

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The information we have on file for 21432 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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