21078629

21,078,629 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21078629 look like?

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

21078629 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21078629:

11 × 13 × 223 × 661

See below for interesting mathematical facts about the number 21078629 from the Numbermatics database.

Names of 21078629

Cardinal: 21078629 can be written as Twenty-one million, seventy-eight thousand, six hundred twenty-nine.

Scientific notation

Scientific notation: 2.1078629 × 10⁷

Factors of 21078629

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 908

Divisors of 21078629

Number of divisors d(n): 16
Complete list of divisors:
1 11 13 143 223 661 2453 2899 7271 8593 31889 94523 147403 1621433 1916239 21078629
Sum of all divisors σ(n): 24912384
Sum of proper divisors (its aliquot sum) s(n): 3833755
21078629 is a deficient number, because the sum of its proper divisors (3833755) is less than itself. Its deficiency is 17244874

Bases of 21078629

Binary: 1010000011010001001100101₂
Hexadecimal: 0x141A265
Base-36: CJSDH

Squares and roots of 21078629

21078629 squared (21078629²) is 444308600519641
21078629 cubed (21078629³) is 9365416151862719852189
The square root of 21078629 is 4591.1468066269
The cube root of 21078629 is 276.2363244051

Scales and comparisons

How big is 21078629?

21,078,629 seconds is equal to 34 weeks, 5 days, 23 hours, 10 minutes, 29 seconds.
To count from 1 to 21,078,629 would take you about twenty-two 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 21078629 cubic inches would be around 23 feet tall.

Recreational maths with 21078629

21078629 backwards is 92687012
The number of decimal digits it has is: 8
The sum of 21078629's digits is 35
More coming soon!

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The information we have on file for 21078629 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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