549

549 is an odd composite number composed of two prime numbers multiplied together.

What does the number 549 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

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

Prime factorization of 549:

3² × 61

(3 × 3 × 61)

See below for interesting mathematical facts about the number 549 from the Numbermatics database.

Names of 549

Cardinal: 549 can be written as Five hundred forty-nine.

Scientific notation

Scientific notation: 5.49 × 10²

Factors of 549

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 64

Divisors of 549

Number of divisors d(n): 6
Complete list of divisors:
1 3 9 61 183 549
Sum of all divisors σ(n): 806
Sum of proper divisors (its aliquot sum) s(n): 257
549 is a deficient number, because the sum of its proper divisors (257) is less than itself. Its deficiency is 292

Bases of 549

Binary: 1000100101₂
Hexadecimal: 0x225
Base-36: F9

Squares and roots of 549

549 squared (549²) is 301401
549 cubed (549³) is 165469149
The square root of 549 is 23.4307490277
The cube root of 549 is 8.1882441101

Scales and comparisons

How big is 549?

549 seconds is equal to 9 minutes, 9 seconds.
To count from 1 to 549 would take you about four minutes.

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 549 cubic inches would be around 0.7 feet tall.

Recreational maths with 549

549 backwards is 945
The number of decimal digits it has is: 3
The sum of 549's digits is 18
More coming soon!

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The information we have on file for 549 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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