21338013

21,338,013 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21338013 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

21338013 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21338013:

3 × 31 × 479²

(3 × 31 × 479 × 479)

See below for interesting mathematical facts about the number 21338013 from the Numbermatics database.

Names of 21338013

Cardinal: 21338013 can be written as Twenty-one million, three hundred thirty-eight thousand and thirteen.

Scientific notation

Scientific notation: 2.1338013 × 10⁷

Factors of 21338013

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 513

Divisors of 21338013

Number of divisors d(n): 12
Complete list of divisors:
1 3 31 93 479 1437 14849 44547 229441 688323 7112671 21338013
Sum of all divisors σ(n): 29429888
Sum of proper divisors (its aliquot sum) s(n): 8091875
21338013 is a deficient number, because the sum of its proper divisors (8091875) is less than itself. Its deficiency is 13246138

Bases of 21338013

Binary: 1010001011001011110011101₂
Hexadecimal: 0x145979D
Base-36: CPCIL

Squares and roots of 21338013

21338013 squared (21338013²) is 455310798788169
21338013 cubed (21338013³) is 9715427743582334368197
The square root of 21338013 is 4619.3087145157
The cube root of 21338013 is 277.3647876303

Scales and comparisons

How big is 21338013?

21,338,013 seconds is equal to 35 weeks, 1 day, 23 hours, 13 minutes, 33 seconds.
To count from 1 to 21,338,013 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 21338013 cubic inches would be around 23.1 feet tall.

Recreational maths with 21338013

21338013 backwards is 31083312
The number of decimal digits it has is: 8
The sum of 21338013's digits is 21
More coming soon!

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The information we have on file for 21338013 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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