6639

6,639 is an odd composite number composed of two prime numbers multiplied together.

What does the number 6639 look like?

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

6639 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 6639:

3 × 2213

See below for interesting mathematical facts about the number 6639 from the Numbermatics database.

Names of 6639

Cardinal: 6639 can be written as Six thousand, six hundred thirty-nine.

Scientific notation

Scientific notation: 6.639 × 10³

Factors of 6639

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 2216

Divisors of 6639

Number of divisors d(n): 4
Complete list of divisors:
1 3 2213 6639
Sum of all divisors σ(n): 8856
Sum of proper divisors (its aliquot sum) s(n): 2217
6639 is a deficient number, because the sum of its proper divisors (2217) is less than itself. Its deficiency is 4422

Bases of 6639

Binary: 1100111101111₂
Hexadecimal: 0x19EF
Base-36: 54F

Squares and roots of 6639

6639 squared (6639²) is 44076321
6639 cubed (6639³) is 292622695119
The square root of 6639 is 81.4800589101
The cube root of 6639 is 18.7946491487

Scales and comparisons

How big is 6639?

6,639 seconds is equal to 1 hour, 50 minutes, 39 seconds.
To count from 1 to 6,639 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 6639 cubic inches would be around 1.6 feet tall.

Recreational maths with 6639

6639 backwards is 9366
The number of decimal digits it has is: 4
The sum of 6639's digits is 24
More coming soon!

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The information we have on file for 6639 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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