21291132

21,291,132 is an even composite number composed of five prime numbers multiplied together.

What does the number 21291132 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21291132 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21291132:

2² × 3 × 37 × 79 × 607

(2 × 2 × 3 × 37 × 79 × 607)

See below for interesting mathematical facts about the number 21291132 from the Numbermatics database.

Names of 21291132

Cardinal: 21291132 can be written as Twenty-one million, two hundred ninety-one thousand, one hundred thirty-two.

Scientific notation

Scientific notation: 2.1291132 × 10⁷

Factors of 21291132

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 728

Divisors of 21291132

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 12 37 74 79 111 148 158 222 237 316 444 474 607 948 1214 1821 2428 2923 3642 5846 7284 8769 11692 17538 22459 35076 44918 47953 67377 89836 95906 134754 143859 191812 269508 287718 575436 1774261 3548522 5322783 7097044 10645566 21291132
Sum of all divisors σ(n): 51752960
Sum of proper divisors (its aliquot sum) s(n): 30461828
21291132 is an abundant number, because the sum of its proper divisors (30461828) is greater than itself. Its abundance is 9170696

Bases of 21291132

Binary: 1010001001110000001111100₂
Hexadecimal: 0x144E07C
Base-36: COCCC

Squares and roots of 21291132

21291132 squared (21291132²) is 453312301841424
21291132 cubed (21291132³) is 9651532055729601451968
The square root of 21291132 is 4614.2314636351
The cube root of 21291132 is 277.1615092033

Scales and comparisons

How big is 21291132?

21,291,132 seconds is equal to 35 weeks, 1 day, 10 hours, 12 minutes, 12 seconds.
To count from 1 to 21,291,132 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 21291132 cubic inches would be around 23.1 feet tall.

Recreational maths with 21291132

21291132 backwards is 23119212
The number of decimal digits it has is: 8
The sum of 21291132's digits is 21
More coming soon!

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The information we have on file for 21291132 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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