20480

20,480 is an even composite number composed of two prime numbers multiplied together.

What does the number 20480 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 26 divisors.

20480 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty-six divisors.

Prime factorization of 20480:

2¹² × 5

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5)

See below for interesting mathematical facts about the number 20480 from the Numbermatics database.

Names of 20480

Cardinal: 20480 can be written as Twenty thousand, four hundred eighty.

Scientific notation

Scientific notation: 2.048 × 10⁴

Factors of 20480

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 13
Sum of prime factors: 7

Divisors of 20480

Number of divisors d(n): 26
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 4096 5120 10240 20480
Sum of all divisors σ(n): 49146
Sum of proper divisors (its aliquot sum) s(n): 28666
20480 is an abundant number, because the sum of its proper divisors (28666) is greater than itself. Its abundance is 8186

Bases of 20480

Binary: 101000000000000₂
Hexadecimal: 0x5000
Base-36: FSW

Squares and roots of 20480

20480 squared (20480²) is 419430400
20480 cubed (20480³) is 8589934592000
The square root of 20480 is 143.1083505597
The cube root of 20480 is 27.3596151471

Scales and comparisons

How big is 20480?

20,480 seconds is equal to 5 hours, 41 minutes, 20 seconds.
To count from 1 to 20,480 would take you about five hours.

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 20480 cubic inches would be around 2.3 feet tall.

Recreational maths with 20480

20480 backwards is 08402
The number of decimal digits it has is: 5
The sum of 20480's digits is 14
More coming soon!

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The information we have on file for 20480 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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