391138

391,138 is an even composite number composed of four prime numbers multiplied together.

What does the number 391138 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

391138 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 391138:

2 × 11 × 23 × 773

See below for interesting mathematical facts about the number 391138 from the Numbermatics database.

Names of 391138

Cardinal: 391138 can be written as Three hundred ninety-one thousand, one hundred thirty-eight.

Scientific notation

Scientific notation: 3.91138 × 10⁵

Factors of 391138

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 809

Divisors of 391138

Number of divisors d(n): 16
Complete list of divisors:
1 2 11 22 23 46 253 506 773 1546 8503 17006 17779 35558 195569 391138
Sum of all divisors σ(n): 668736
Sum of proper divisors (its aliquot sum) s(n): 277598
391138 is a deficient number, because the sum of its proper divisors (277598) is less than itself. Its deficiency is 113540

Bases of 391138

Binary: 1011111011111100010₂
Hexadecimal: 0x5F7E2
Base-36: 8DSY

Squares and roots of 391138

391138 squared (391138²) is 152988935044
391138 cubed (391138³) is 59839786075240072
The square root of 391138 is 625.4102653459
The cube root of 391138 is 73.1324299071

Scales and comparisons

How big is 391138?

391,138 seconds is equal to 4 days, 12 hours, 38 minutes, 58 seconds.
To count from 1 to 391,138 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 391138 cubic inches would be around 6.1 feet tall.

Recreational maths with 391138

391138 backwards is 831193
The number of decimal digits it has is: 6
The sum of 391138's digits is 25
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/391138/?utm_source=shared">Number 391138 - 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/391138/?utm_source=shared]Number 391138 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 391138 - Facts about the integer". Numbermatics.com. 2024. Web. 4 May 2024.

APA style:
Numbermatics. (2024). Number 391138 - Facts about the integer. Retrieved 4 May 2024, from https://numbermatics.com/n/391138/

Chicago style:
Numbermatics. 2024. "Number 391138 - Facts about the integer". https://numbermatics.com/n/391138/

The information we have on file for 391138 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 391138, math, Factors of 391138, curriculum, school, college, exams, university, Prime factorization of 391138, STEM, science, technology, engineering, physics, economics, calculator, three hundred ninety-one thousand, one hundred thirty-eight.