21329944

21,329,944 is an even composite number composed of three prime numbers multiplied together.

What does the number 21329944 look like?

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

21329944 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 21329944:

2³ × 131 × 20353

(2 × 2 × 2 × 131 × 20353)

See below for interesting mathematical facts about the number 21329944 from the Numbermatics database.

Names of 21329944

Cardinal: 21329944 can be written as Twenty-one million, three hundred twenty-nine thousand, nine hundred forty-four.

Scientific notation

Scientific notation: 2.1329944 × 10⁷

Factors of 21329944

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 20486

Divisors of 21329944

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 8 131 262 524 1048 20353 40706 81412 162824 2666243 5332486 10664972 21329944
Sum of all divisors σ(n): 40300920
Sum of proper divisors (its aliquot sum) s(n): 18970976
21329944 is a deficient number, because the sum of its proper divisors (18970976) is less than itself. Its deficiency is 2358968

Bases of 21329944

Binary: 1010001010111100000011000₂
Hexadecimal: 0x1457818
Base-36: CP6AG

Squares and roots of 21329944

21329944 squared (21329944²) is 454966511043136
21329944 cubed (21329944³) is 9704410202425472464384
The square root of 21329944 is 4618.4352328467
The cube root of 21329944 is 277.3298212593

Scales and comparisons

How big is 21329944?

21,329,944 seconds is equal to 35 weeks, 1 day, 20 hours, 59 minutes, 4 seconds.
To count from 1 to 21,329,944 would take you about six 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 21329944 cubic inches would be around 23.1 feet tall.

Recreational maths with 21329944

21329944 backwards is 44992312
The number of decimal digits it has is: 8
The sum of 21329944's digits is 34
More coming soon!

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The information we have on file for 21329944 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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