20497720

20,497,720 is an even composite number composed of three prime numbers multiplied together.

What does the number 20497720 look like?

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

20497720 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 20497720:

2³ × 5 × 512443

(2 × 2 × 2 × 5 × 512443)

See below for interesting mathematical facts about the number 20497720 from the Numbermatics database.

Names of 20497720

Cardinal: 20497720 can be written as Twenty million, four hundred ninety-seven thousand, seven hundred twenty.

Scientific notation

Scientific notation: 2.049772 × 10⁷

Factors of 20497720

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 512450

Divisors of 20497720

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 5 8 10 20 40 512443 1024886 2049772 2562215 4099544 5124430 10248860 20497720
Sum of all divisors σ(n): 46119960
Sum of proper divisors (its aliquot sum) s(n): 25622240
20497720 is an abundant number, because the sum of its proper divisors (25622240) is greater than itself. Its abundance is 5124520

Bases of 20497720

Binary: 1001110001100010100111000₂
Hexadecimal: 0x138C538
Base-36: C7C54

Squares and roots of 20497720

20497720 squared (20497720²) is 420156525198400
20497720 cubed (20497720³) is 8612250809689747648000
The square root of 20497720 is 4527.4407781879
The cube root of 20497720 is 273.6750369861

Scales and comparisons

How big is 20497720?

20,497,720 seconds is equal to 33 weeks, 6 days, 5 hours, 48 minutes, 40 seconds.
To count from 1 to 20,497,720 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 20497720 cubic inches would be around 22.8 feet tall.

Recreational maths with 20497720

20497720 backwards is 02779402
The number of decimal digits it has is: 8
The sum of 20497720's digits is 31
More coming soon!

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The information we have on file for 20497720 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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