21064442

21,064,442 is an even composite number composed of four prime numbers multiplied together.

What does the number 21064442 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21064442 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21064442:

2 × 7 × 73 × 20611

See below for interesting mathematical facts about the number 21064442 from the Numbermatics database.

Names of 21064442

Cardinal: 21064442 can be written as Twenty-one million, sixty-four thousand, four hundred forty-two.

Scientific notation

Scientific notation: 2.1064442 × 10⁷

Factors of 21064442

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 20693

Divisors of 21064442

Number of divisors d(n): 16
Complete list of divisors:
1 2 7 14 73 146 511 1022 20611 41222 144277 288554 1504603 3009206 10532221 21064442
Sum of all divisors σ(n): 36606912
Sum of proper divisors (its aliquot sum) s(n): 15542470
21064442 is a deficient number, because the sum of its proper divisors (15542470) is less than itself. Its deficiency is 5521972

Bases of 21064442

Binary: 1010000010110101011111010₂
Hexadecimal: 0x1416AFA
Base-36: CJHFE

Squares and roots of 21064442

21064442 squared (21064442²) is 443710716771364
21064442 cubed (21064442³) is 9346518658208824238888
The square root of 21064442 is 4589.6015077565
The cube root of 21064442 is 276.1743367511

Scales and comparisons

How big is 21064442?

21,064,442 seconds is equal to 34 weeks, 5 days, 19 hours, 14 minutes, 2 seconds.
To count from 1 to 21,064,442 would take you about sixteen 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 21064442 cubic inches would be around 23 feet tall.

Recreational maths with 21064442

21064442 backwards is 24446012
The number of decimal digits it has is: 8
The sum of 21064442's digits is 23
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The information we have on file for 21064442 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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