21120129

21,120,129 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21120129 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

21120129 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21120129:

3³ × 53 × 14759

(3 × 3 × 3 × 53 × 14759)

See below for interesting mathematical facts about the number 21120129 from the Numbermatics database.

Names of 21120129

Cardinal: 21120129 can be written as Twenty-one million, one hundred twenty thousand, one hundred twenty-nine.

Scientific notation

Scientific notation: 2.1120129 × 10⁷

Factors of 21120129

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 14815

Divisors of 21120129

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 27 53 159 477 1431 14759 44277 132831 398493 782227 2346681 7040043 21120129
Sum of all divisors σ(n): 31881600
Sum of proper divisors (its aliquot sum) s(n): 10761471
21120129 is a deficient number, because the sum of its proper divisors (10761471) is less than itself. Its deficiency is 10358658

Bases of 21120129

Binary: 1010000100100010010000001₂
Hexadecimal: 0x1424481
Base-36: CKOE9

Squares and roots of 21120129

21120129 squared (21120129²) is 446059848976641
21120129 cubed (21120129³) is 9420841552107175906689
The square root of 21120129 is 4595.6641522201
The cube root of 21120129 is 276.4174919799

Scales and comparisons

How big is 21120129?

21,120,129 seconds is equal to 34 weeks, 6 days, 10 hours, 42 minutes, 9 seconds.
To count from 1 to 21,120,129 would take you about two 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 21120129 cubic inches would be around 23 feet tall.

Recreational maths with 21120129

21120129 backwards is 92102112
The number of decimal digits it has is: 8
The sum of 21120129's digits is 18
More coming soon!

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The information we have on file for 21120129 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!

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