420028

420,028 is an even composite number composed of three prime numbers multiplied together.

What does the number 420028 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

420028 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 420028:

2² × 7² × 2143

(2 × 2 × 7 × 7 × 2143)

See below for interesting mathematical facts about the number 420028 from the Numbermatics database.

Names of 420028

Cardinal: 420028 can be written as Four hundred twenty thousand and twenty-eight.

Scientific notation

Scientific notation: 4.20028 × 10⁵

Factors of 420028

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 2152

Divisors of 420028

Number of divisors d(n): 18
Complete list of divisors:
1 2 4 7 14 28 49 98 196 2143 4286 8572 15001 30002 60004 105007 210014 420028
Sum of all divisors σ(n): 855456
Sum of proper divisors (its aliquot sum) s(n): 435428
420028 is an abundant number, because the sum of its proper divisors (435428) is greater than itself. Its abundance is 15400

Bases of 420028

Binary: 1100110100010111100₂
Hexadecimal: 0x668BC
Base-36: 903G

Squares and roots of 420028

420028 squared (420028²) is 176423520784
420028 cubed (420028³) is 74102818587861952
The square root of 420028 is 648.0956719497
The cube root of 420028 is 74.8903880291

Scales and comparisons

How big is 420028?

420,028 seconds is equal to 4 days, 20 hours, 40 minutes, 28 seconds.
To count from 1 to 420,028 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 420028 cubic inches would be around 6.2 feet tall.

Recreational maths with 420028

420028 backwards is 820024
The number of decimal digits it has is: 6
The sum of 420028's digits is 16
More coming soon!

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The information we have on file for 420028 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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