642864

642,864 is an even composite number composed of four prime numbers multiplied together.

What does the number 642864 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

642864 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 642864:

2⁴ × 3 × 59 × 227

(2 × 2 × 2 × 2 × 3 × 59 × 227)

See below for interesting mathematical facts about the number 642864 from the Numbermatics database.

Names of 642864

Cardinal: 642864 can be written as Six hundred forty-two thousand, eight hundred sixty-four.

Scientific notation

Scientific notation: 6.42864 × 10⁵

Factors of 642864

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 291

Divisors of 642864

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 4 6 8 12 16 24 48 59 118 177 227 236 354 454 472 681 708 908 944 1362 1416 1816 2724 2832 3632 5448 10896 13393 26786 40179 53572 80358 107144 160716 214288 321432 642864
Sum of all divisors σ(n): 1696320
Sum of proper divisors (its aliquot sum) s(n): 1053456
642864 is an abundant number, because the sum of its proper divisors (1053456) is greater than itself. Its abundance is 410592

Bases of 642864

Binary: 10011100111100110000₂
Hexadecimal: 0x9CF30
Base-36: DS1C

Squares and roots of 642864

642864 squared (642864²) is 413274122496
642864 cubed (642864³) is 265679055484268544
The square root of 642864 is 801.7880019057
The cube root of 642864 is 86.3057442625

Scales and comparisons

How big is 642864?

642,864 seconds is equal to 1 week, 10 hours, 34 minutes, 24 seconds.
To count from 1 to 642,864 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 642864 cubic inches would be around 7.2 feet tall.

Recreational maths with 642864

642864 backwards is 468246
The number of decimal digits it has is: 6
The sum of 642864's digits is 30
More coming soon!

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The information we have on file for 642864 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!

Keywords: Divisors of 642864, math, Factors of 642864, curriculum, school, college, exams, university, Prime factorization of 642864, STEM, science, technology, engineering, physics, economics, calculator, six hundred forty-two thousand, eight hundred sixty-four.