20449

20,449 is an odd composite number composed of two prime numbers multiplied together.

What does the number 20449 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

20449 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

Prime factorization of 20449:

11² × 13²

(11 × 11 × 13 × 13)

See below for interesting mathematical facts about the number 20449 from the Numbermatics database.

Names of 20449

Cardinal: 20449 can be written as Twenty thousand, four hundred forty-nine.

Scientific notation

Scientific notation: 2.0449 × 10⁴

Factors of 20449

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 24

Divisors of 20449

Number of divisors d(n): 9
Complete list of divisors:
1 11 13 121 143 169 1573 1859 20449
Sum of all divisors σ(n): 24339
Sum of proper divisors (its aliquot sum) s(n): 3890
20449 is a deficient number, because the sum of its proper divisors (3890) is less than itself. Its deficiency is 16559

Bases of 20449

Binary: 100111111100001₂
Hexadecimal: 0x4FE1
Base-36: FS1

Squares and roots of 20449

20449 squared (20449²) is 418161601
20449 cubed (20449³) is 8550986578849
20449 is a perfect square number. Its square root is 143
The cube root of 20449 is 27.3458036825

Scales and comparisons

How big is 20449?

20,449 seconds is equal to 5 hours, 40 minutes, 49 seconds.
To count from 1 to 20,449 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 20449 cubic inches would be around 2.3 feet tall.

Recreational maths with 20449

20449 backwards is 94402
The number of decimal digits it has is: 5
The sum of 20449's digits is 19
More coming soon!

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The information we have on file for 20449 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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