129920

129,920 is an even composite number composed of four prime numbers multiplied together.

What does the number 129920 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 64 divisors.

129920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.

Prime factorization of 129920:

2⁷ × 5 × 7 × 29

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 29)

See below for interesting mathematical facts about the number 129920 from the Numbermatics database.

Names of 129920

Cardinal: 129920 can be written as One hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

Scientific notation: 1.2992 × 10⁵

Factors of 129920

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 10
Sum of prime factors: 43

Divisors of 129920

Number of divisors d(n): 64
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 64 70 80 112 116 128 140 145 160 203 224 232 280 290 320 406 448 464 560 580 640 812 896 928 1015 1120 1160 1624 1856 2030 2240 2320 3248 3712 4060 4480 4640 6496 8120 9280 12992 16240 18560 25984 32480 64960 129920
Sum of all divisors σ(n): 367200
Sum of proper divisors (its aliquot sum) s(n): 237280
129920 is an abundant number, because the sum of its proper divisors (237280) is greater than itself. Its abundance is 107360

Bases of 129920

Binary: 11111101110000000₂
Hexadecimal: 0x1FB80
Base-36: 2S8W

Squares and roots of 129920

129920 squared (129920²) is 16879206400
129920 cubed (129920³) is 2192946495488000
The square root of 129920 is 360.4441704343
The cube root of 129920 is 50.6475766803

Scales and comparisons

How big is 129920?

129,920 seconds is equal to 1 day, 12 hours, 5 minutes, 20 seconds.
To count from 1 to 129,920 would take you about twelve 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 129920 cubic inches would be around 4.2 feet tall.

Recreational maths with 129920

129920 backwards is 029921
The number of decimal digits it has is: 6
The sum of 129920'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/129920/?utm_source=shared">Number 129920 - 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/129920/?utm_source=shared]Number 129920 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 129920 - Facts about the integer". Numbermatics.com. 2024. Web. 25 April 2024.

APA style:
Numbermatics. (2024). Number 129920 - Facts about the integer. Retrieved 25 April 2024, from https://numbermatics.com/n/129920/

Chicago style:
Numbermatics. 2024. "Number 129920 - Facts about the integer". https://numbermatics.com/n/129920/

The information we have on file for 129920 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 129920, math, Factors of 129920, curriculum, school, college, exams, university, Prime factorization of 129920, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-nine thousand, nine hundred twenty.