389205

389,205 is an odd composite number composed of three prime numbers multiplied together.

What does the number 389205 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 30 divisors.

389205 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty divisors.

Prime factorization of 389205:

3⁴ × 5 × 31²

(3 × 3 × 3 × 3 × 5 × 31 × 31)

See below for interesting mathematical facts about the number 389205 from the Numbermatics database.

Names of 389205

Cardinal: 389205 can be written as Three hundred eighty-nine thousand, two hundred five.

Scientific notation

Scientific notation: 3.89205 × 10⁵

Factors of 389205

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 39

Divisors of 389205

Number of divisors d(n): 30
Complete list of divisors:
1 3 5 9 15 27 31 45 81 93 135 155 279 405 465 837 961 1395 2511 2883 4185 4805 8649 12555 14415 25947 43245 77841 129735 389205
Sum of all divisors σ(n): 720918
Sum of proper divisors (its aliquot sum) s(n): 331713
389205 is a deficient number, because the sum of its proper divisors (331713) is less than itself. Its deficiency is 57492

Bases of 389205

Binary: 1011111000001010101₂
Hexadecimal: 0x5F055
Base-36: 8CB9

Squares and roots of 389205

389205 squared (389205²) is 151480532025
389205 cubed (389205³) is 58956980466790125
The square root of 389205 is 623.8629657225
The cube root of 389205 is 73.0117576607

Scales and comparisons

How big is 389205?

389,205 seconds is equal to 4 days, 12 hours, 6 minutes, 45 seconds.
To count from 1 to 389,205 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 389205 cubic inches would be around 6.1 feet tall.

Recreational maths with 389205

389205 backwards is 502983
389205 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 389205'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/389205/?utm_source=shared">Number 389205 - 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/389205/?utm_source=shared]Number 389205 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 389205 - Facts about the integer". Numbermatics.com. 2024. Web. 25 April 2024.

APA style:
Numbermatics. (2024). Number 389205 - Facts about the integer. Retrieved 25 April 2024, from https://numbermatics.com/n/389205/

Chicago style:
Numbermatics. 2024. "Number 389205 - Facts about the integer". https://numbermatics.com/n/389205/

The information we have on file for 389205 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 389205, math, Factors of 389205, curriculum, school, college, exams, university, Prime factorization of 389205, STEM, science, technology, engineering, physics, economics, calculator, three hundred eighty-nine thousand, two hundred five.