21344939

21,344,939 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21344939 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

21344939 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 21344939:

7² × 11 × 199²

(7 × 7 × 11 × 199 × 199)

See below for interesting mathematical facts about the number 21344939 from the Numbermatics database.

Names of 21344939

Cardinal: 21344939 can be written as Twenty-one million, three hundred forty-four thousand, nine hundred thirty-nine.

Scientific notation

Scientific notation: 2.1344939 × 10⁷

Factors of 21344939

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 217

Divisors of 21344939

Number of divisors d(n): 18
Complete list of divisors:
1 7 11 49 77 199 539 1393 2189 9751 15323 39601 107261 277207 435611 1940449 3049277 21344939
Sum of all divisors σ(n): 27223884
Sum of proper divisors (its aliquot sum) s(n): 5878945
21344939 is a deficient number, because the sum of its proper divisors (5878945) is less than itself. Its deficiency is 15465994

Bases of 21344939

Binary: 1010001011011001010101011₂
Hexadecimal: 0x145B2AB
Base-36: CPHUZ

Squares and roots of 21344939

21344939 squared (21344939²) is 455606420913721
21344939 cubed (21344939³) is 9724891262411699008019
The square root of 21344939 is 4620.0583329651
The cube root of 21344939 is 277.3947938719

Scales and comparisons

How big is 21344939?

21,344,939 seconds is equal to 35 weeks, 2 days, 1 hour, 8 minutes, 59 seconds.
To count from 1 to 21,344,939 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 21344939 cubic inches would be around 23.1 feet tall.

Recreational maths with 21344939

21344939 backwards is 93944312
The number of decimal digits it has is: 8
The sum of 21344939's digits is 35
More coming soon!

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The information we have on file for 21344939 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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