642984

642,984 is an even composite number composed of four prime numbers multiplied together.

What does the number 642984 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

642984 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 642984:

2³ × 3 × 73 × 367

(2 × 2 × 2 × 3 × 73 × 367)

See below for interesting mathematical facts about the number 642984 from the Numbermatics database.

Names of 642984

Cardinal: 642984 can be written as Six hundred forty-two thousand, nine hundred eighty-four.

Scientific notation

Scientific notation: 6.42984 × 10⁵

Factors of 642984

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 445

Divisors of 642984

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 4 6 8 12 24 73 146 219 292 367 438 584 734 876 1101 1468 1752 2202 2936 4404 8808 26791 53582 80373 107164 160746 214328 321492 642984
Sum of all divisors σ(n): 1633920
Sum of proper divisors (its aliquot sum) s(n): 990936
642984 is an abundant number, because the sum of its proper divisors (990936) is greater than itself. Its abundance is 347952

Bases of 642984

Binary: 10011100111110101000₂
Hexadecimal: 0x9CFA8
Base-36: DS4O

Squares and roots of 642984

642984 squared (642984²) is 413428424256
642984 cubed (642984³) is 265827861941819904
The square root of 642984 is 801.8628311627
The cube root of 642984 is 86.3111140063

Scales and comparisons

How big is 642984?

642,984 seconds is equal to 1 week, 10 hours, 36 minutes, 24 seconds.
To count from 1 to 642,984 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 642984 cubic inches would be around 7.2 feet tall.

Recreational maths with 642984

642984 backwards is 489246
The number of decimal digits it has is: 6
The sum of 642984's digits is 33
More coming soon!

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The information we have on file for 642984 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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