12428728

12,428,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 12428728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

12428728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 12428728:

2³ × 13 × 127 × 941

(2 × 2 × 2 × 13 × 127 × 941)

See below for interesting mathematical facts about the number 12428728 from the Numbermatics database.

Names of 12428728

Cardinal: 12428728 can be written as Twelve million, four hundred twenty-eight thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 1.2428728 × 10⁷

Factors of 12428728

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 1083

Divisors of 12428728

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 8 13 26 52 104 127 254 508 941 1016 1651 1882 3302 3764 6604 7528 12233 13208 24466 48932 97864 119507 239014 478028 956056 1553591 3107182 6214364 12428728
Sum of all divisors σ(n): 25320960
Sum of proper divisors (its aliquot sum) s(n): 12892232
12428728 is an abundant number, because the sum of its proper divisors (12892232) is greater than itself. Its abundance is 463504

Bases of 12428728

Binary: 101111011010010110111000₂
Hexadecimal: 0xBDA5B8
Base-36: 7EE2G

Squares and roots of 12428728

12428728 squared (12428728²) is 154473279697984
12428728 cubed (12428728³) is 1919906376634165284352
The square root of 12428728 is 3525.4401143687
The cube root of 12428728 is 231.6375135983

Scales and comparisons

How big is 12428728?

12,428,728 seconds is equal to 20 weeks, 3 days, 20 hours, 25 minutes, 28 seconds.
To count from 1 to 12,428,728 would take you about thirty weeks!

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 12428728 cubic inches would be around 19.3 feet tall.

Recreational maths with 12428728

12428728 backwards is 82782421
The number of decimal digits it has is: 8
The sum of 12428728's digits is 34
More coming soon!

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The information we have on file for 12428728 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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