642642

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

What does the number 642642 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 64 divisors.

642642 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.

Prime factorization of 642642:

2 × 3 × 7 × 11 × 13 × 107

See below for interesting mathematical facts about the number 642642 from the Numbermatics database.

Names of 642642

Cardinal: 642642 can be written as Six hundred forty-two thousand, six hundred forty-two.

Scientific notation

Scientific notation: 6.42642 × 10⁵

Factors of 642642

Number of distinct prime factors ω(n): 6
Total number of prime factors Ω(n): 6
Sum of prime factors: 143

Divisors of 642642

Number of divisors d(n): 64
Complete list of divisors:
1 2 3 6 7 11 13 14 21 22 26 33 39 42 66 77 78 91 107 143 154 182 214 231 273 286 321 429 462 546 642 749 858 1001 1177 1391 1498 2002 2247 2354 2782 3003 3531 4173 4494 6006 7062 8239 8346 9737 15301 16478 19474 24717 29211 30602 45903 49434 58422 91806 107107 214214 321321 642642
Sum of all divisors σ(n): 1741824
Sum of proper divisors (its aliquot sum) s(n): 1099182
642642 is an abundant number, because the sum of its proper divisors (1099182) is greater than itself. Its abundance is 456540

Bases of 642642

Binary: 10011100111001010010₂
Hexadecimal: 0x9CE52
Base-36: DRV6

Squares and roots of 642642

642642 squared (642642²) is 412988740164
642642 cubed (642642³) is 265403909956473288
The square root of 642642 is 801.6495493669
The cube root of 642642 is 86.2958084745

Scales and comparisons

How big is 642642?

642,642 seconds is equal to 1 week, 10 hours, 30 minutes, 42 seconds.
To count from 1 to 642,642 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 642642 cubic inches would be around 7.2 feet tall.

Recreational maths with 642642

642642 backwards is 246246
The number of decimal digits it has is: 6
The sum of 642642's digits is 24
More coming soon!

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The information we have on file for 642642 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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