21428076

21,428,076 is an even composite number composed of five prime numbers multiplied together.

What does the number 21428076 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21428076 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21428076:

2² × 3 × 41 × 97 × 449

(2 × 2 × 3 × 41 × 97 × 449)

See below for interesting mathematical facts about the number 21428076 from the Numbermatics database.

Names of 21428076

Cardinal: 21428076 can be written as Twenty-one million, four hundred twenty-eight thousand and seventy-six.

Scientific notation

Scientific notation: 2.1428076 × 10⁷

Factors of 21428076

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 592

Divisors of 21428076

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 12 41 82 97 123 164 194 246 291 388 449 492 582 898 1164 1347 1796 2694 3977 5388 7954 11931 15908 18409 23862 36818 43553 47724 55227 73636 87106 110454 130659 174212 220908 261318 522636 1785673 3571346 5357019 7142692 10714038 21428076
Sum of all divisors σ(n): 51861600
Sum of proper divisors (its aliquot sum) s(n): 30433524
21428076 is an abundant number, because the sum of its proper divisors (30433524) is greater than itself. Its abundance is 9005448

Bases of 21428076

Binary: 1010001101111011101101100₂
Hexadecimal: 0x146F76C
Base-36: CRA0C

Squares and roots of 21428076

21428076 squared (21428076²) is 459162441061776
21428076 cubed (21428076³) is 9838967683417256822976
The square root of 21428076 is 4629.0469861517
The cube root of 21428076 is 277.7544715497

Scales and comparisons

How big is 21428076?

21,428,076 seconds is equal to 35 weeks, 3 days, 14 minutes, 36 seconds.
To count from 1 to 21,428,076 would take you about twenty-one 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 21428076 cubic inches would be around 23.1 feet tall.

Recreational maths with 21428076

21428076 backwards is 67082412
The number of decimal digits it has is: 8
The sum of 21428076's digits is 30
More coming soon!

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The information we have on file for 21428076 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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