642609

642,609 is an odd composite number composed of three prime numbers multiplied together.

What does the number 642609 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

642609 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 642609:

3² × 11 × 6491

(3 × 3 × 11 × 6491)

See below for interesting mathematical facts about the number 642609 from the Numbermatics database.

Names of 642609

Cardinal: 642609 can be written as Six hundred forty-two thousand, six hundred nine.

Scientific notation

Scientific notation: 6.42609 × 10⁵

Factors of 642609

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 6505

Divisors of 642609

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 11 33 99 6491 19473 58419 71401 214203 642609
Sum of all divisors σ(n): 1012752
Sum of proper divisors (its aliquot sum) s(n): 370143
642609 is a deficient number, because the sum of its proper divisors (370143) is less than itself. Its deficiency is 272466

Bases of 642609

Binary: 10011100111000110001₂
Hexadecimal: 0x9CE31
Base-36: DRU9

Squares and roots of 642609

642609 squared (642609²) is 412946326881
642609 cubed (642609³) is 265363026170672529
The square root of 642609 is 801.6289665425
The cube root of 642609 is 86.2943313377

Scales and comparisons

How big is 642609?

642,609 seconds is equal to 1 week, 10 hours, 30 minutes, 9 seconds.
To count from 1 to 642,609 would take you about ten 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 642609 cubic inches would be around 7.2 feet tall.

Recreational maths with 642609

642609 backwards is 906246
The number of decimal digits it has is: 6
The sum of 642609's digits is 27
More coming soon!

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The information we have on file for 642609 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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