428420

428,420 is an even composite number composed of four prime numbers multiplied together.

What does the number 428420 look like?

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

428420 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 428420:

2² × 5 × 31 × 691

(2 × 2 × 5 × 31 × 691)

See below for interesting mathematical facts about the number 428420 from the Numbermatics database.

Names of 428420

Cardinal: 428420 can be written as Four hundred twenty-eight thousand, four hundred twenty.

Scientific notation

Scientific notation: 4.2842 × 10⁵

Factors of 428420

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 729

Divisors of 428420

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 10 20 31 62 124 155 310 620 691 1382 2764 3455 6910 13820 21421 42842 85684 107105 214210 428420
Sum of all divisors σ(n): 930048
Sum of proper divisors (its aliquot sum) s(n): 501628
428420 is an abundant number, because the sum of its proper divisors (501628) is greater than itself. Its abundance is 73208

Bases of 428420

Binary: 1101000100110000100₂
Hexadecimal: 0x68984
Base-36: 96KK

Squares and roots of 428420

428420 squared (428420²) is 183543696400
428420 cubed (428420³) is 78633790411688000
The square root of 428420 is 654.5380050081
The cube root of 428420 is 75.3858632415

Scales and comparisons

How big is 428420?

428,420 seconds is equal to 4 days, 23 hours, 20 seconds.
To count from 1 to 428,420 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 428420 cubic inches would be around 6.3 feet tall.

Recreational maths with 428420

428420 backwards is 024824
428420 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 428420's digits is 20
More coming soon!

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The information we have on file for 428420 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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