21005104

21,005,104 is an even composite number composed of three prime numbers multiplied together.

What does the number 21005104 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

21005104 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 21005104:

2⁴ × 31 × 42349

(2 × 2 × 2 × 2 × 31 × 42349)

See below for interesting mathematical facts about the number 21005104 from the Numbermatics database.

Names of 21005104

Cardinal: 21005104 can be written as Twenty-one million, five thousand, one hundred four.

Scientific notation

Scientific notation: 2.1005104 × 10⁷

Factors of 21005104

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 42382

Divisors of 21005104

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 16 31 62 124 248 496 42349 84698 169396 338792 677584 1312819 2625638 5251276 10502552 21005104
Sum of all divisors σ(n): 42011200
Sum of proper divisors (its aliquot sum) s(n): 21006096
21005104 is an abundant number, because the sum of its proper divisors (21006096) is greater than itself. Its abundance is 992

Bases of 21005104

Binary: 1010000001000001100110000₂
Hexadecimal: 0x1408330
Base-36: CI7N4

Squares and roots of 21005104

21005104 squared (21005104²) is 441214394050816
21005104 cubed (21005104³) is 9267754233334371364864
The square root of 21005104 is 4583.1325531781
The cube root of 21005104 is 275.9147674927

Scales and comparisons

How big is 21005104?

21,005,104 seconds is equal to 34 weeks, 5 days, 2 hours, 45 minutes, 4 seconds.
To count from 1 to 21,005,104 would take you about sixteen 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 21005104 cubic inches would be around 23 feet tall.

Recreational maths with 21005104

21005104 backwards is 40150012
The number of decimal digits it has is: 8
The sum of 21005104's digits is 13
More coming soon!

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The information we have on file for 21005104 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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