20918313

20,918,313 is an odd composite number composed of four prime numbers multiplied together.

What does the number 20918313 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

20918313 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 20918313:

3² × 13² × 17 × 809

(3 × 3 × 13 × 13 × 17 × 809)

See below for interesting mathematical facts about the number 20918313 from the Numbermatics database.

Names of 20918313

Cardinal: 20918313 can be written as Twenty million, nine hundred eighteen thousand, three hundred thirteen.

Scientific notation

Scientific notation: 2.0918313 × 10⁷

Factors of 20918313

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 842

Divisors of 20918313

Number of divisors d(n): 36
Complete list of divisors:
1 3 9 13 17 39 51 117 153 169 221 507 663 809 1521 1989 2427 2873 7281 8619 10517 13753 25857 31551 41259 94653 123777 136721 178789 410163 536367 1230489 1609101 2324257 6972771 20918313
Sum of all divisors σ(n): 34685820
Sum of proper divisors (its aliquot sum) s(n): 13767507
20918313 is a deficient number, because the sum of its proper divisors (13767507) is less than itself. Its deficiency is 7150806

Bases of 20918313

Binary: 1001111110011000000101001₂
Hexadecimal: 0x13F3029
Base-36: CGCO9

Squares and roots of 20918313

20918313 squared (20918313²) is 437575818765969
20918313 cubed (20918313³) is 9153347938177813290297
The square root of 20918313 is 4573.6542282949
The cube root of 20918313 is 275.5342254333

Scales and comparisons

How big is 20918313?

20,918,313 seconds is equal to 34 weeks, 4 days, 2 hours, 38 minutes, 33 seconds.
To count from 1 to 20,918,313 would take you about fifty-one weeks!

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 20918313 cubic inches would be around 23 feet tall.

Recreational maths with 20918313

20918313 backwards is 31381902
The number of decimal digits it has is: 8
The sum of 20918313's digits is 27
More coming soon!

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The information we have on file for 20918313 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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