21044840

21,044,840 is an even composite number composed of three prime numbers multiplied together.

What does the number 21044840 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

21044840 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21044840:

2³ × 5 × 526121

(2 × 2 × 2 × 5 × 526121)

See below for interesting mathematical facts about the number 21044840 from the Numbermatics database.

Names of 21044840

Cardinal: 21044840 can be written as Twenty-one million, forty-four thousand, eight hundred forty.

Scientific notation

Scientific notation: 2.104484 × 10⁷

Factors of 21044840

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 526128

Divisors of 21044840

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 5 8 10 20 40 526121 1052242 2104484 2630605 4208968 5261210 10522420 21044840
Sum of all divisors σ(n): 47350980
Sum of proper divisors (its aliquot sum) s(n): 26306140
21044840 is an abundant number, because the sum of its proper divisors (26306140) is greater than itself. Its abundance is 5261300

Bases of 21044840

Binary: 1010000010001111001101000₂
Hexadecimal: 0x1411E68
Base-36: CJ2AW

Squares and roots of 21044840

21044840 squared (21044840²) is 442885290625600
21044840 cubed (21044840³) is 9320450079569251904000
The square root of 21044840 is 4587.4655312057
The cube root of 21044840 is 276.0886433749

Scales and comparisons

How big is 21044840?

21,044,840 seconds is equal to 34 weeks, 5 days, 13 hours, 47 minutes, 20 seconds.
To count from 1 to 21,044,840 would take you about eight 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 21044840 cubic inches would be around 23 feet tall.

Recreational maths with 21044840

21044840 backwards is 04844012
The number of decimal digits it has is: 8
The sum of 21044840's digits is 23
More coming soon!

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The information we have on file for 21044840 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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