21206313

21,206,313 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21206313 look like?

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

21206313 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21206313:

3³ × 241 × 3259

(3 × 3 × 3 × 241 × 3259)

See below for interesting mathematical facts about the number 21206313 from the Numbermatics database.

Names of 21206313

Cardinal: 21206313 can be written as Twenty-one million, two hundred six thousand, three hundred thirteen.

Scientific notation

Scientific notation: 2.1206313 × 10⁷

Factors of 21206313

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 3503

Divisors of 21206313

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 27 241 723 2169 3259 6507 9777 29331 87993 785419 2356257 7068771 21206313
Sum of all divisors σ(n): 31556800
Sum of proper divisors (its aliquot sum) s(n): 10350487
21206313 is a deficient number, because the sum of its proper divisors (10350487) is less than itself. Its deficiency is 10855826

Bases of 21206313

Binary: 1010000111001010100101001₂
Hexadecimal: 0x1439529
Base-36: CMIW9

Squares and roots of 21206313

21206313 squared (21206313²) is 449707711053969
21206313 cubed (21206313³) is 9536642479124026506297
The square root of 21206313 is 4605.0312702521
The cube root of 21206313 is 276.7929700243

Scales and comparisons

How big is 21206313?

21,206,313 seconds is equal to 35 weeks, 10 hours, 38 minutes, 33 seconds.
To count from 1 to 21,206,313 would take you about four 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 21206313 cubic inches would be around 23.1 feet tall.

Recreational maths with 21206313

21206313 backwards is 31360212
The number of decimal digits it has is: 8
The sum of 21206313's digits is 18
More coming soon!

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The information we have on file for 21206313 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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