6649

6,649 is an odd composite number composed of two prime numbers multiplied together.

What does the number 6649 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

6649 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 6649:

61 × 109

See below for interesting mathematical facts about the number 6649 from the Numbermatics database.

Names of 6649

Cardinal: 6649 can be written as Six thousand, six hundred forty-nine.

Scientific notation

Scientific notation: 6.649 × 10³

Factors of 6649

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 170

Divisors of 6649

Number of divisors d(n): 4
Complete list of divisors:
1 61 109 6649
Sum of all divisors σ(n): 6820
Sum of proper divisors (its aliquot sum) s(n): 171
6649 is a deficient number, because the sum of its proper divisors (171) is less than itself. Its deficiency is 6478

Bases of 6649

Binary: 1100111111001₂
Hexadecimal: 0x19F9
Base-36: 54P

Squares and roots of 6649

6649 squared (6649²) is 44209201
6649 cubed (6649³) is 293946977449
The square root of 6649 is 81.5414005275
The cube root of 6649 is 18.8040809007

Scales and comparisons

How big is 6649?

6,649 seconds is equal to 1 hour, 50 minutes, 49 seconds.
To count from 1 to 6,649 would take you about fifty 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 6649 cubic inches would be around 1.6 feet tall.

Recreational maths with 6649

6649 backwards is 9466
The number of decimal digits it has is: 4
The sum of 6649's digits is 25
More coming soon!

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The information we have on file for 6649 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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