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:
• 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
• 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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