20808689

20,808,689 is an odd composite number composed of five prime numbers multiplied together.

What does the number 20808689 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

20808689 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 20808689:

11 × 29 × 37 × 41 × 43

See below for interesting mathematical facts about the number 20808689 from the Numbermatics database.

Names of 20808689

Cardinal: 20808689 can be written as Twenty million, eight hundred eight thousand, six hundred eighty-nine.

Scientific notation

Scientific notation: 2.0808689 × 10⁷

Factors of 20808689

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 161

Divisors of 20808689

Number of divisors d(n): 32
Complete list of divisors:
1 11 29 37 41 43 319 407 451 473 1073 1189 1247 1517 1591 1763 11803 13079 13717 16687 17501 19393 43993 46139 51127 65231 483923 507529 562397 717541 1891699 20808689
Sum of all divisors σ(n): 25280640
Sum of proper divisors (its aliquot sum) s(n): 4471951
20808689 is a deficient number, because the sum of its proper divisors (4471951) is less than itself. Its deficiency is 16336738

Bases of 20808689

Binary: 1001111011000001111110001₂
Hexadecimal: 0x13D83F1
Base-36: CE035

Squares and roots of 20808689

20808689 squared (20808689²) is 433001537898721
20808689 cubed (20808689³) is 9010194338656198786769
The square root of 20808689 is 4561.6541955743
The cube root of 20808689 is 275.0520628701

Scales and comparisons

How big is 20808689?

20,808,689 seconds is equal to 34 weeks, 2 days, 20 hours, 11 minutes, 29 seconds.
To count from 1 to 20,808,689 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 20808689 cubic inches would be around 22.9 feet tall.

Recreational maths with 20808689

20808689 backwards is 98680802
20808689 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 20808689's digits is 41
More coming soon!

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The information we have on file for 20808689 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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