138740

138,740 is an even composite number composed of four prime numbers multiplied together.

What does the number 138740 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

138740 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 138740:

2² × 5 × 7 × 991

(2 × 2 × 5 × 7 × 991)

See below for interesting mathematical facts about the number 138740 from the Numbermatics database.

Names of 138740

Cardinal: 138740 can be written as One hundred thirty-eight thousand, seven hundred forty.

Scientific notation

Scientific notation: 1.3874 × 10⁵

Factors of 138740

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 1005

Divisors of 138740

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 7 10 14 20 28 35 70 140 991 1982 3964 4955 6937 9910 13874 19820 27748 34685 69370 138740
Sum of all divisors σ(n): 333312
Sum of proper divisors (its aliquot sum) s(n): 194572
138740 is an abundant number, because the sum of its proper divisors (194572) is greater than itself. Its abundance is 55832

Bases of 138740

Binary: 100001110111110100₂
Hexadecimal: 0x21DF4
Base-36: 2Z1W

Squares and roots of 138740

138740 squared (138740²) is 19248787600
138740 cubed (138740³) is 2670576791624000
The square root of 138740 is 372.4781872809
The cube root of 138740 is 51.7686965203

Scales and comparisons

How big is 138740?

138,740 seconds is equal to 1 day, 14 hours, 32 minutes, 20 seconds.
To count from 1 to 138,740 would take you about fourteen 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 138740 cubic inches would be around 4.3 feet tall.

Recreational maths with 138740

138740 backwards is 047831
The number of decimal digits it has is: 6
The sum of 138740'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/138740/?utm_source=shared">Number 138740 - 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/138740/?utm_source=shared]Number 138740 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 138740 - Facts about the integer". Numbermatics.com. 2024. Web. 23 April 2024.

APA style:
Numbermatics. (2024). Number 138740 - Facts about the integer. Retrieved 23 April 2024, from https://numbermatics.com/n/138740/

Chicago style:
Numbermatics. 2024. "Number 138740 - Facts about the integer". https://numbermatics.com/n/138740/

The information we have on file for 138740 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 138740, math, Factors of 138740, curriculum, school, college, exams, university, Prime factorization of 138740, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight thousand, seven hundred forty.