3978

3,978 is an even composite number composed of four prime numbers multiplied together.

What does the number 3978 look like?

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

3978 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 3978:

2 × 3² × 13 × 17

(2 × 3 × 3 × 13 × 17)

See below for interesting mathematical facts about the number 3978 from the Numbermatics database.

Names of 3978

Cardinal: 3978 can be written as Three thousand, nine hundred seventy-eight.

Scientific notation

Scientific notation: 3.978 × 10³

Factors of 3978

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 35

Divisors of 3978

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 6 9 13 17 18 26 34 39 51 78 102 117 153 221 234 306 442 663 1326 1989 3978
Sum of all divisors σ(n): 9828
Sum of proper divisors (its aliquot sum) s(n): 5850
3978 is an abundant number, because the sum of its proper divisors (5850) is greater than itself. Its abundance is 1872

Bases of 3978

Binary: 111110001010₂
Hexadecimal: 0xF8A
Base-36: 32I

Squares and roots of 3978

3978 squared (3978²) is 15824484
3978 cubed (3978³) is 62949797352
The square root of 3978 is 63.0713881249
The cube root of 3978 is 15.8448546491

Scales and comparisons

How big is 3978?

3,978 seconds is equal to 1 hour, 6 minutes, 18 seconds.
To count from 1 to 3,978 would take you about six minutes.

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 3978 cubic inches would be around 1.3 feet tall.

Recreational maths with 3978

3978 backwards is 8793
The number of decimal digits it has is: 4
The sum of 3978's digits is 27
More coming soon!

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The information we have on file for 3978 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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