42281

42,281 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 42281 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

42281 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 42281:

42281

See below for interesting mathematical facts about the number 42281 from the Numbermatics database.

Names of 42281

Cardinal: 42281 can be written as Forty-two thousand, two hundred eighty-one.

Scientific notation

Scientific notation: 4.2281 × 10⁴

Factors of 42281

Number of distinct prime factors ω(n): 1
Total number of prime factors Ω(n): 1
Sum of prime factors: 42281

Divisors of 42281

Number of divisors d(n): 2
Complete list of divisors:
1 42281
Sum of all divisors σ(n): 42282
Sum of proper divisors (its aliquot sum) s(n): 1
42281 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 42280

Bases of 42281

Binary: 1010010100101001₂
Hexadecimal: 0xA529
Base-36: WMH

Squares and roots of 42281

42281 squared (42281²) is 1787682961
42281 cubed (42281³) is 75585023274041
The square root of 42281 is 205.6234422433
The cube root of 42281 is 34.8376151163

Scales and comparisons

How big is 42281?

42,281 seconds is equal to 11 hours, 44 minutes, 41 seconds.
To count from 1 to 42,281 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 42281 cubic inches would be around 2.9 feet tall.

Recreational maths with 42281

42281 backwards is 18224
42281 is a twin prime! Its twin is 42283
The number of decimal digits it has is: 5
The sum of 42281's digits is 17
More coming soon!

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The information we have on file for 42281 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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