42420

42,420 is an even composite number composed of five prime numbers multiplied together.

What does the number 42420 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

42420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 42420:

2² × 3 × 5 × 7 × 101

(2 × 2 × 3 × 5 × 7 × 101)

See below for interesting mathematical facts about the number 42420 from the Numbermatics database.

Names of 42420

Cardinal: 42420 can be written as Forty-two thousand, four hundred twenty.

Scientific notation

Scientific notation: 4.242 × 10⁴

Factors of 42420

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 118

Divisors of 42420

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 101 105 140 202 210 303 404 420 505 606 707 1010 1212 1414 1515 2020 2121 2828 3030 3535 4242 6060 7070 8484 10605 14140 21210 42420
Sum of all divisors σ(n): 137088
Sum of proper divisors (its aliquot sum) s(n): 94668
42420 is an abundant number, because the sum of its proper divisors (94668) is greater than itself. Its abundance is 52248

Bases of 42420

Binary: 1010010110110100₂
Hexadecimal: 0xA5B4
Base-36: WQC

Squares and roots of 42420

42420 squared (42420²) is 1799456400
42420 cubed (42420³) is 76332940488000
The square root of 42420 is 205.9611613873
The cube root of 42420 is 34.8757499101

Scales and comparisons

How big is 42420?

42,420 seconds is equal to 11 hours, 47 minutes.
To count from 1 to 42,420 would take you about eleven hours.

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 42420 cubic inches would be around 2.9 feet tall.

Recreational maths with 42420

42420 backwards is 02424
42420 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 42420's digits is 12
More coming soon!

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The information we have on file for 42420 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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