728442

728,442 is an even composite number composed of five prime numbers multiplied together.

What does the number 728442 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

728442 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 728442:

2 × 3² × 11 × 13 × 283

(2 × 3 × 3 × 11 × 13 × 283)

See below for interesting mathematical facts about the number 728442 from the Numbermatics database.

Names of 728442

Cardinal: 728442 can be written as Seven hundred twenty-eight thousand, four hundred forty-two.

Scientific notation

Scientific notation: 7.28442 × 10⁵

Factors of 728442

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 312

Divisors of 728442

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 6 9 11 13 18 22 26 33 39 66 78 99 117 143 198 234 283 286 429 566 849 858 1287 1698 2547 2574 3113 3679 5094 6226 7358 9339 11037 18678 22074 28017 33111 40469 56034 66222 80938 121407 242814 364221 728442
Sum of all divisors σ(n): 1860768
Sum of proper divisors (its aliquot sum) s(n): 1132326
728442 is an abundant number, because the sum of its proper divisors (1132326) is greater than itself. Its abundance is 403884

Bases of 728442

Binary: 10110001110101111010₂
Hexadecimal: 0xB1D7A
Base-36: FM2I

Squares and roots of 728442

728442 squared (728442²) is 530627747364
728442 cubed (728442³) is 386531537545326888
The square root of 728442 is 853.4881370001
The cube root of 728442 is 89.9770311757

Scales and comparisons

How big is 728442?

728,442 seconds is equal to 1 week, 1 day, 10 hours, 20 minutes, 42 seconds.
To count from 1 to 728,442 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 728442 cubic inches would be around 7.5 feet tall.

Recreational maths with 728442

728442 backwards is 244827
The number of decimal digits it has is: 6
The sum of 728442's digits is 27
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/728442/?utm_source=shared">Number 728442 - 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/728442/?utm_source=shared]Number 728442 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 728442 - Facts about the integer". Numbermatics.com. 2024. Web. 25 April 2024.

APA style:
Numbermatics. (2024). Number 728442 - Facts about the integer. Retrieved 25 April 2024, from https://numbermatics.com/n/728442/

Chicago style:
Numbermatics. 2024. "Number 728442 - Facts about the integer". https://numbermatics.com/n/728442/

The information we have on file for 728442 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 728442, math, Factors of 728442, curriculum, school, college, exams, university, Prime factorization of 728442, STEM, science, technology, engineering, physics, economics, calculator, seven hundred twenty-eight thousand, four hundred forty-two.