21429970

21,429,970 is an even composite number composed of four prime numbers multiplied together.

What does the number 21429970 look like?

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

21429970 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 21429970:

2 × 5 × 971 × 2207

See below for interesting mathematical facts about the number 21429970 from the Numbermatics database.

Names of 21429970

Cardinal: 21429970 can be written as Twenty-one million, four hundred twenty-nine thousand, nine hundred seventy.

Scientific notation

Scientific notation: 2.142997 × 10⁷

Factors of 21429970

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 3185

Divisors of 21429970

Number of divisors d(n): 16
Complete list of divisors:
1 2 5 10 971 1942 2207 4414 4855 9710 11035 22070 2142997 4285994 10714985 21429970
Sum of all divisors σ(n): 38631168
Sum of proper divisors (its aliquot sum) s(n): 17201198
21429970 is a deficient number, because the sum of its proper divisors (17201198) is less than itself. Its deficiency is 4228772

Bases of 21429970

Binary: 1010001101111111011010010₂
Hexadecimal: 0x146FED2
Base-36: CRBGY

Squares and roots of 21429970

21429970 squared (21429970²) is 459243614200900
21429970 cubed (21429970³) is 9841576875016860973000
The square root of 21429970 is 4629.2515593777
The cube root of 21429970 is 277.7626547619

Scales and comparisons

How big is 21429970?

21,429,970 seconds is equal to 35 weeks, 3 days, 46 minutes, 10 seconds.
To count from 1 to 21,429,970 would take you about nine minutes!

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 21429970 cubic inches would be around 23.1 feet tall.

Recreational maths with 21429970

21429970 backwards is 07992412
The number of decimal digits it has is: 8
The sum of 21429970's digits is 34
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/21429970/?utm_source=shared">Number 21429970 - 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/21429970/?utm_source=shared]Number 21429970 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21429970 - Facts about the integer". Numbermatics.com. 2024. Web. 12 May 2024.

APA style:
Numbermatics. (2024). Number 21429970 - Facts about the integer. Retrieved 12 May 2024, from https://numbermatics.com/n/21429970/

Chicago style:
Numbermatics. 2024. "Number 21429970 - Facts about the integer". https://numbermatics.com/n/21429970/

The information we have on file for 21429970 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 21429970, math, Factors of 21429970, curriculum, school, college, exams, university, Prime factorization of 21429970, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, four hundred twenty-nine thousand, nine hundred seventy.