20642816

20,642,816 is an even composite number composed of three prime numbers multiplied together.

What does the number 20642816 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 44 divisors.

20642816 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-four divisors.

Prime factorization of 20642816:

2¹⁰ × 19 × 1061

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 1061)

See below for interesting mathematical facts about the number 20642816 from the Numbermatics database.

Names of 20642816

Cardinal: 20642816 can be written as Twenty million, six hundred forty-two thousand, eight hundred sixteen.

Scientific notation

Scientific notation: 2.0642816 × 10⁷

Factors of 20642816

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 12
Sum of prime factors: 1082

Divisors of 20642816

Number of divisors d(n): 44
Complete list of divisors:
1 2 4 8 16 19 32 38 64 76 128 152 256 304 512 608 1024 1061 1216 2122 2432 4244 4864 8488 9728 16976 19456 20159 33952 40318 67904 80636 135808 161272 271616 322544 543232 645088 1086464 1290176 2580352 5160704 10321408 20642816
Sum of all divisors σ(n): 43478280
Sum of proper divisors (its aliquot sum) s(n): 22835464
20642816 is an abundant number, because the sum of its proper divisors (22835464) is greater than itself. Its abundance is 2192648

Bases of 20642816

Binary: 1001110101111110000000000₂
Hexadecimal: 0x13AFC00
Base-36: CAG3K

Squares and roots of 20642816

20642816 squared (20642816²) is 426125852409856
20642816 cubed (20642816³) is 8796437564139813994496
The square root of 20642816 is 4543.4365847891
The cube root of 20642816 is 274.3192683819

Scales and comparisons

How big is 20642816?

20,642,816 seconds is equal to 34 weeks, 22 hours, 6 minutes, 56 seconds.
To count from 1 to 20,642,816 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 20642816 cubic inches would be around 22.9 feet tall.

Recreational maths with 20642816

20642816 backwards is 61824602
The number of decimal digits it has is: 8
The sum of 20642816's digits is 29
More coming soon!

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The information we have on file for 20642816 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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