27945

27,945 is an odd composite number composed of three prime numbers multiplied together.

What does the number 27945 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

27945 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 27945:

3⁵ × 5 × 23

(3 × 3 × 3 × 3 × 3 × 5 × 23)

See below for interesting mathematical facts about the number 27945 from the Numbermatics database.

Names of 27945

Cardinal: 27945 can be written as Twenty-seven thousand, nine hundred forty-five.

Scientific notation

Scientific notation: 2.7945 × 10⁴

Factors of 27945

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 31

Divisors of 27945

Number of divisors d(n): 24
Complete list of divisors:
1 3 5 9 15 23 27 45 69 81 115 135 207 243 345 405 621 1035 1215 1863 3105 5589 9315 27945
Sum of all divisors σ(n): 52416
Sum of proper divisors (its aliquot sum) s(n): 24471
27945 is a deficient number, because the sum of its proper divisors (24471) is less than itself. Its deficiency is 3474

Bases of 27945

Binary: 110110100101001₂
Hexadecimal: 0x6D29
Base-36: LK9

Squares and roots of 27945

27945 squared (27945²) is 780923025
27945 cubed (27945³) is 21822893933625
The square root of 27945 is 167.1675805891
The cube root of 27945 is 30.3459942583

Scales and comparisons

How big is 27945?

27,945 seconds is equal to 7 hours, 45 minutes, 45 seconds.
To count from 1 to 27,945 would take you about seven 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 27945 cubic inches would be around 2.5 feet tall.

Recreational maths with 27945

27945 backwards is 54972
27945 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 27945'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/27945/?utm_source=shared">Number 27945 - 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/27945/?utm_source=shared]Number 27945 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 27945 - Facts about the integer". Numbermatics.com. 2024. Web. 24 April 2024.

APA style:
Numbermatics. (2024). Number 27945 - Facts about the integer. Retrieved 24 April 2024, from https://numbermatics.com/n/27945/

Chicago style:
Numbermatics. 2024. "Number 27945 - Facts about the integer". https://numbermatics.com/n/27945/

The information we have on file for 27945 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 27945, math, Factors of 27945, curriculum, school, college, exams, university, Prime factorization of 27945, STEM, science, technology, engineering, physics, economics, calculator, twenty-seven thousand, nine hundred forty-five.