428388

428,388 is an even composite number composed of four prime numbers multiplied together.

What does the number 428388 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

428388 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 428388:

2² × 3 × 29 × 1231

(2 × 2 × 3 × 29 × 1231)

See below for interesting mathematical facts about the number 428388 from the Numbermatics database.

Names of 428388

Cardinal: 428388 can be written as Four hundred twenty-eight thousand, three hundred eighty-eight.

Scientific notation

Scientific notation: 4.28388 × 10⁵

Factors of 428388

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 1265

Divisors of 428388

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 4 6 12 29 58 87 116 174 348 1231 2462 3693 4924 7386 14772 35699 71398 107097 142796 214194 428388
Sum of all divisors σ(n): 1034880
Sum of proper divisors (its aliquot sum) s(n): 606492
428388 is an abundant number, because the sum of its proper divisors (606492) is greater than itself. Its abundance is 178104

Bases of 428388

Binary: 1101000100101100100₂
Hexadecimal: 0x68964
Base-36: 96JO

Squares and roots of 428388

428388 squared (428388²) is 183516278544
428388 cubed (428388³) is 78616171532907072
The square root of 428388 is 654.5135598289
The cube root of 428388 is 75.3839862611

Scales and comparisons

How big is 428388?

428,388 seconds is equal to 4 days, 22 hours, 59 minutes, 48 seconds.
To count from 1 to 428,388 would take you about four days.

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 428388 cubic inches would be around 6.3 feet tall.

Recreational maths with 428388

428388 backwards is 883824
The number of decimal digits it has is: 6
The sum of 428388's digits is 33
More coming soon!

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The information we have on file for 428388 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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