642920

642,920 is an even composite number composed of three prime numbers multiplied together.

What does the number 642920 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

642920 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 642920:

2³ × 5 × 16073

(2 × 2 × 2 × 5 × 16073)

See below for interesting mathematical facts about the number 642920 from the Numbermatics database.

Names of 642920

Cardinal: 642920 can be written as Six hundred forty-two thousand, nine hundred twenty.

Scientific notation

Scientific notation: 6.4292 × 10⁵

Factors of 642920

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 16080

Divisors of 642920

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 5 8 10 20 40 16073 32146 64292 80365 128584 160730 321460 642920
Sum of all divisors σ(n): 1446660
Sum of proper divisors (its aliquot sum) s(n): 803740
642920 is an abundant number, because the sum of its proper divisors (803740) is greater than itself. Its abundance is 160820

Bases of 642920

Binary: 10011100111101101000₂
Hexadecimal: 0x9CF68
Base-36: DS2W

Squares and roots of 642920

642920 squared (642920²) is 413346126400
642920 cubed (642920³) is 265748491585088000
The square root of 642920 is 801.8229230947
The cube root of 642920 is 86.3082502263

Scales and comparisons

How big is 642920?

642,920 seconds is equal to 1 week, 10 hours, 35 minutes, 20 seconds.
To count from 1 to 642,920 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 642920 cubic inches would be around 7.2 feet tall.

Recreational maths with 642920

642920 backwards is 029246
The number of decimal digits it has is: 6
The sum of 642920's digits is 23
More coming soon!

Copy this link to share with anyone:

Share this page on social media:

Link to this page

HTML: To link to this page, just copy and paste the link below into your blog, web page or email.

<a href="https://numbermatics.com/n/642920/?utm_source=shared">Number 642920 - Facts about the integer</a>

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:

[url=https://numbermatics.com/n/642920/?utm_source=shared]Number 642920 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 642920 - Facts about the integer". Numbermatics.com. 2024. Web. 13 May 2024.

APA style:
Numbermatics. (2024). Number 642920 - Facts about the integer. Retrieved 13 May 2024, from https://numbermatics.com/n/642920/

Chicago style:
Numbermatics. 2024. "Number 642920 - Facts about the integer". https://numbermatics.com/n/642920/

The information we have on file for 642920 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 642920, math, Factors of 642920, curriculum, school, college, exams, university, Prime factorization of 642920, STEM, science, technology, engineering, physics, economics, calculator, six hundred forty-two thousand, nine hundred twenty.