397821

397,821 is an odd composite number composed of two prime numbers multiplied together.

What does the number 397821 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

397821 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 397821:

3 × 132607

See below for interesting mathematical facts about the number 397821 from the Numbermatics database.

Names of 397821

Cardinal: 397821 can be written as Three hundred ninety-seven thousand, eight hundred twenty-one.

Scientific notation

Scientific notation: 3.97821 × 10⁵

Factors of 397821

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 132610

Divisors of 397821

Number of divisors d(n): 4
Complete list of divisors:
1 3 132607 397821
Sum of all divisors σ(n): 530432
Sum of proper divisors (its aliquot sum) s(n): 132611
397821 is a deficient number, because the sum of its proper divisors (132611) is less than itself. Its deficiency is 265210

Bases of 397821

Binary: 1100001000111111101₂
Hexadecimal: 0x611FD
Base-36: 8IYL

Squares and roots of 397821

397821 squared (397821²) is 158261548041
397821 cubed (397821³) is 62959767303218661
The square root of 397821 is 630.7305288317
The cube root of 397821 is 73.5465945475

Scales and comparisons

How big is 397821?

397,821 seconds is equal to 4 days, 14 hours, 30 minutes, 21 seconds.
To count from 1 to 397,821 would take you about four days.

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 397821 cubic inches would be around 6.1 feet tall.

Recreational maths with 397821

397821 backwards is 128793
The number of decimal digits it has is: 6
The sum of 397821's digits is 30
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/397821/?utm_source=shared">Number 397821 - 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/397821/?utm_source=shared]Number 397821 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 397821 - Facts about the integer". Numbermatics.com. 2024. Web. 3 May 2024.

APA style:
Numbermatics. (2024). Number 397821 - Facts about the integer. Retrieved 3 May 2024, from https://numbermatics.com/n/397821/

Chicago style:
Numbermatics. 2024. "Number 397821 - Facts about the integer". https://numbermatics.com/n/397821/

The information we have on file for 397821 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 397821, math, Factors of 397821, curriculum, school, college, exams, university, Prime factorization of 397821, STEM, science, technology, engineering, physics, economics, calculator, three hundred ninety-seven thousand, eight hundred twenty-one.