20708720

20,708,720 is an even composite number composed of four prime numbers multiplied together.

What does the number 20708720 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

20708720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 20708720:

2⁴ × 5 × 17 × 15227

(2 × 2 × 2 × 2 × 5 × 17 × 15227)

See below for interesting mathematical facts about the number 20708720 from the Numbermatics database.

Names of 20708720

Cardinal: 20708720 can be written as Twenty million, seven hundred eight thousand, seven hundred twenty.

Scientific notation

Scientific notation: 2.070872 × 10⁷

Factors of 20708720

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 15251

Divisors of 20708720

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 15227 30454 60908 76135 121816 152270 243632 258859 304540 517718 609080 1035436 1218160 1294295 2070872 2588590 4141744 5177180 10354360 20708720
Sum of all divisors σ(n): 50983344
Sum of proper divisors (its aliquot sum) s(n): 30274624
20708720 is an abundant number, because the sum of its proper divisors (30274624) is greater than itself. Its abundance is 9565904

Bases of 20708720

Binary: 1001110111111110101110000₂
Hexadecimal: 0x13BFD70
Base-36: CBUY8

Squares and roots of 20708720

20708720 squared (20708720²) is 428851084038400
20708720 cubed (20708720³) is 8880957021047694848000
The square root of 20708720 is 4550.6834651511
The cube root of 20708720 is 274.6108877003

Scales and comparisons

How big is 20708720?

20,708,720 seconds is equal to 34 weeks, 1 day, 16 hours, 25 minutes, 20 seconds.
To count from 1 to 20,708,720 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 20708720 cubic inches would be around 22.9 feet tall.

Recreational maths with 20708720

20708720 backwards is 02780702
The number of decimal digits it has is: 8
The sum of 20708720's digits is 26
More coming soon!

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The information we have on file for 20708720 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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