664989

664,989 is an odd composite number composed of four prime numbers multiplied together.

What does the number 664989 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

664989 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 664989:

3 × 13 × 17² × 59

(3 × 13 × 17 × 17 × 59)

See below for interesting mathematical facts about the number 664989 from the Numbermatics database.

Names of 664989

Cardinal: 664989 can be written as Six hundred sixty-four thousand, nine hundred eighty-nine.

Scientific notation

Scientific notation: 6.64989 × 10⁵

Factors of 664989

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 92

Divisors of 664989

Number of divisors d(n): 24
Complete list of divisors:
1 3 13 17 39 51 59 177 221 289 663 767 867 1003 2301 3009 3757 11271 13039 17051 39117 51153 221663 664989
Sum of all divisors σ(n): 1031520
Sum of proper divisors (its aliquot sum) s(n): 366531
664989 is a deficient number, because the sum of its proper divisors (366531) is less than itself. Its deficiency is 298458

Bases of 664989

Binary: 10100010010110011101₂
Hexadecimal: 0xA259D
Base-36: E93X

Squares and roots of 664989

664989 squared (664989²) is 442210370121
664989 cubed (664989³) is 294065031816393669
The square root of 664989 is 815.4685769543
The cube root of 664989 is 87.2847060775

Scales and comparisons

How big is 664989?

664,989 seconds is equal to 1 week, 16 hours, 43 minutes, 9 seconds.
To count from 1 to 664,989 would take you about sixteen 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 664989 cubic inches would be around 7.3 feet tall.

Recreational maths with 664989

664989 backwards is 989466
The number of decimal digits it has is: 6
The sum of 664989's digits is 42
More coming soon!

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The information we have on file for 664989 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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