21071328

21,071,328 is an even composite number composed of four prime numbers multiplied together.

What does the number 21071328 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

21071328 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21071328:

2⁵ × 3 × 103 × 2131

(2 × 2 × 2 × 2 × 2 × 3 × 103 × 2131)

See below for interesting mathematical facts about the number 21071328 from the Numbermatics database.

Names of 21071328

Cardinal: 21071328 can be written as Twenty-one million, seventy-one thousand, three hundred twenty-eight.

Scientific notation

Scientific notation: 2.1071328 × 10⁷

Factors of 21071328

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 2239

Divisors of 21071328

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 96 103 206 309 412 618 824 1236 1648 2131 2472 3296 4262 4944 6393 8524 9888 12786 17048 25572 34096 51144 68192 102288 204576 219493 438986 658479 877972 1316958 1755944 2633916 3511888 5267832 7023776 10535664 21071328
Sum of all divisors σ(n): 55875456
Sum of proper divisors (its aliquot sum) s(n): 34804128
21071328 is an abundant number, because the sum of its proper divisors (34804128) is greater than itself. Its abundance is 13732800

Bases of 21071328

Binary: 1010000011000010111100000₂
Hexadecimal: 0x14185E0
Base-36: CJMQO

Squares and roots of 21071328

21071328 squared (21071328²) is 444000863683584
21071328 cubed (21071328³) is 9355687830960086679552
The square root of 21071328 is 4590.3516205189
The cube root of 21071328 is 276.2044274175

Scales and comparisons

How big is 21071328?

21,071,328 seconds is equal to 34 weeks, 5 days, 21 hours, 8 minutes, 48 seconds.
To count from 1 to 21,071,328 would take you about nineteen 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 21071328 cubic inches would be around 23 feet tall.

Recreational maths with 21071328

21071328 backwards is 82317012
21071328 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21071328's digits is 24
More coming soon!

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The information we have on file for 21071328 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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