42981

42,981 is an odd composite number composed of two prime numbers multiplied together.

What does the number 42981 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

42981 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 42981:

3 × 14327

See below for interesting mathematical facts about the number 42981 from the Numbermatics database.

Names of 42981

Cardinal: 42981 can be written as Forty-two thousand, nine hundred eighty-one.

Scientific notation

Scientific notation: 4.2981 × 10⁴

Factors of 42981

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 14330

Divisors of 42981

Number of divisors d(n): 4
Complete list of divisors:
1 3 14327 42981
Sum of all divisors σ(n): 57312
Sum of proper divisors (its aliquot sum) s(n): 14331
42981 is a deficient number, because the sum of its proper divisors (14331) is less than itself. Its deficiency is 28650

Bases of 42981

Binary: 1010011111100101₂
Hexadecimal: 0xA7E5
Base-36: X5X

Squares and roots of 42981

42981 squared (42981²) is 1847366361
42981 cubed (42981³) is 79401653562141
The square root of 42981 is 207.3185954033
The cube root of 42981 is 35.0288198001

Scales and comparisons

How big is 42981?

42,981 seconds is equal to 11 hours, 56 minutes, 21 seconds.
To count from 1 to 42,981 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 42981 cubic inches would be around 2.9 feet tall.

Recreational maths with 42981

42981 backwards is 18924
The number of decimal digits it has is: 5
The sum of 42981's digits is 24
More coming soon!

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The information we have on file for 42981 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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