21308732

21,308,732 is an even composite number composed of two prime numbers multiplied together.

What does the number 21308732 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

21308732 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 21308732:

2² × 5327183

(2 × 2 × 5327183)

See below for interesting mathematical facts about the number 21308732 from the Numbermatics database.

Names of 21308732

Cardinal: 21308732 can be written as Twenty-one million, three hundred eight thousand, seven hundred thirty-two.

Scientific notation

Scientific notation: 2.1308732 × 10⁷

Factors of 21308732

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 5327185

Divisors of 21308732

Number of divisors d(n): 6
Complete list of divisors:
1 2 4 5327183 10654366 21308732
Sum of all divisors σ(n): 37290288
Sum of proper divisors (its aliquot sum) s(n): 15981556
21308732 is a deficient number, because the sum of its proper divisors (15981556) is less than itself. Its deficiency is 5327176

Bases of 21308732

Binary: 1010001010010010100111100₂
Hexadecimal: 0x145253C
Base-36: COPX8

Squares and roots of 21308732

21308732 squared (21308732²) is 454062059447824
21308732 cubed (21308732³) is 9675486736141749599168
The square root of 21308732 is 4616.1382128355
The cube root of 21308732 is 277.2378586595

Scales and comparisons

How big is 21308732?

21,308,732 seconds is equal to 35 weeks, 1 day, 15 hours, 5 minutes, 32 seconds.
To count from 1 to 21,308,732 would take you about five 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 21308732 cubic inches would be around 23.1 feet tall.

Recreational maths with 21308732

21308732 backwards is 23780312
The number of decimal digits it has is: 8
The sum of 21308732's digits is 26
More coming soon!

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The information we have on file for 21308732 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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