20388440

20,388,440 is an even composite number composed of four prime numbers multiplied together.

What does the number 20388440 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

20388440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 20388440:

2³ × 5 × 17 × 29983

(2 × 2 × 2 × 5 × 17 × 29983)

See below for interesting mathematical facts about the number 20388440 from the Numbermatics database.

Names of 20388440

Cardinal: 20388440 can be written as Twenty million, three hundred eighty-eight thousand, four hundred forty.

Scientific notation

Scientific notation: 2.038844 × 10⁷

Factors of 20388440

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 30007

Divisors of 20388440

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 29983 59966 119932 149915 239864 299830 509711 599660 1019422 1199320 2038844 2548555 4077688 5097110 10194220 20388440
Sum of all divisors σ(n): 48574080
Sum of proper divisors (its aliquot sum) s(n): 28185640
20388440 is an abundant number, because the sum of its proper divisors (28185640) is greater than itself. Its abundance is 7797200

Bases of 20388440

Binary: 1001101110001101001011000₂
Hexadecimal: 0x1371A58
Base-36: C4ZTK

Squares and roots of 20388440

20388440 squared (20388440²) is 415688485633600
20388440 cubed (20388440³) is 8475239748031515584000
The square root of 20388440 is 4515.3560214009
The cube root of 20388440 is 273.1878199629

Scales and comparisons

How big is 20388440?

20,388,440 seconds is equal to 33 weeks, 4 days, 23 hours, 27 minutes, 20 seconds.
To count from 1 to 20,388,440 would take you about fifty 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 20388440 cubic inches would be around 22.8 feet tall.

Recreational maths with 20388440

20388440 backwards is 04488302
The number of decimal digits it has is: 8
The sum of 20388440's digits is 29
More coming soon!

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The information we have on file for 20388440 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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