28428224

28,428,224 is an even composite number composed of three prime numbers multiplied together.

What does the number 28428224 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 42 divisors.

28428224 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-two divisors.

Prime factorization of 28428224:

2⁶ × 11² × 3671

(2 × 2 × 2 × 2 × 2 × 2 × 11 × 11 × 3671)

See below for interesting mathematical facts about the number 28428224 from the Numbermatics database.

Names of 28428224

Cardinal: 28428224 can be written as Twenty-eight million, four hundred twenty-eight thousand, two hundred twenty-four.

Scientific notation

Scientific notation: 2.8428224 × 10⁷

Factors of 28428224

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 9
Sum of prime factors: 3684

Divisors of 28428224

Number of divisors d(n): 42
Complete list of divisors:
1 2 4 8 11 16 22 32 44 64 88 121 176 242 352 484 704 968 1936 3671 3872 7342 7744 14684 29368 40381 58736 80762 117472 161524 234944 323048 444191 646096 888382 1292192 1776764 2584384 3553528 7107056 14214112 28428224
Sum of all divisors σ(n): 62023752
Sum of proper divisors (its aliquot sum) s(n): 33595528
28428224 is an abundant number, because the sum of its proper divisors (33595528) is greater than itself. Its abundance is 5167304

Bases of 28428224

Binary: 1101100011100011111000000₂
Hexadecimal: 0x1B1C7C0
Base-36: GXBCW

Squares and roots of 28428224

28428224 squared (28428224²) is 808163919794176
28428224 cubed (28428224³) is 22974664940626869223424
The square root of 28428224 is 5331.8124498149
The cube root of 28428224 is 305.1990960217

Scales and comparisons

How big is 28428224?

28,428,224 seconds is equal to 47 weeks, 43 minutes, 44 seconds.
To count from 1 to 28,428,224 would take you about eighteen 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 28428224 cubic inches would be around 25.4 feet tall.

Recreational maths with 28428224

28428224 backwards is 42282482
28428224 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28428224's digits is 32
More coming soon!

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The information we have on file for 28428224 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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