21049744

21,049,744 is an even composite number composed of three prime numbers multiplied together.

What does the number 21049744 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 45 divisors.

21049744 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-five divisors.

Prime factorization of 21049744:

2⁴ × 31² × 37²

(2 × 2 × 2 × 2 × 31 × 31 × 37 × 37)

See below for interesting mathematical facts about the number 21049744 from the Numbermatics database.

Names of 21049744

Cardinal: 21049744 can be written as Twenty-one million, forty-nine thousand, seven hundred forty-four.

Scientific notation

Scientific notation: 2.1049744 × 10⁷

Factors of 21049744

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 70

Divisors of 21049744

Number of divisors d(n): 45
Complete list of divisors:
1 2 4 8 16 31 37 62 74 124 148 248 296 496 592 961 1147 1369 1922 2294 2738 3844 4588 5476 7688 9176 10952 15376 18352 21904 35557 42439 71114 84878 142228 169756 284456 339512 568912 679024 1315609 2631218 5262436 10524872 21049744
Sum of all divisors σ(n): 43311681
Sum of proper divisors (its aliquot sum) s(n): 22261937
21049744 is an abundant number, because the sum of its proper divisors (22261937) is greater than itself. Its abundance is 1212193

Bases of 21049744

Binary: 1010000010011000110010000₂
Hexadecimal: 0x1413190
Base-36: CJ634

Squares and roots of 21049744

21049744 squared (21049744²) is 443091722465536
21049744 cubed (21049744³) is 9326967326418581622784
21049744 is a perfect square number. Its square root is 4588
The cube root of 21049744 is 276.1100870089

Scales and comparisons

How big is 21049744?

21,049,744 seconds is equal to 34 weeks, 5 days, 15 hours, 9 minutes, 4 seconds.
To count from 1 to 21,049,744 would take you about ten 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 21049744 cubic inches would be around 23 feet tall.

Recreational maths with 21049744

21049744 backwards is 44794012
21049744 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21049744's digits is 31
More coming soon!

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The information we have on file for 21049744 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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