12978

12,978 is an even composite number composed of four prime numbers multiplied together.

What does the number 12978 look like?

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

12978 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 12978:

2 × 3² × 7 × 103

(2 × 3 × 3 × 7 × 103)

See below for interesting mathematical facts about the number 12978 from the Numbermatics database.

Names of 12978

Cardinal: 12978 can be written as Twelve thousand, nine hundred seventy-eight.

Scientific notation

Scientific notation: 1.2978 × 10⁴

Factors of 12978

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 115

Divisors of 12978

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 6 7 9 14 18 21 42 63 103 126 206 309 618 721 927 1442 1854 2163 4326 6489 12978
Sum of all divisors σ(n): 32448
Sum of proper divisors (its aliquot sum) s(n): 19470
12978 is an abundant number, because the sum of its proper divisors (19470) is greater than itself. Its abundance is 6492

Bases of 12978

Binary: 11001010110010₂
Hexadecimal: 0x32B2
Base-36: A0I

Squares and roots of 12978

12978 squared (12978²) is 168428484
12978 cubed (12978³) is 2185864865352
The square root of 12978 is 113.9210252761
The cube root of 12978 is 23.5000754487

Scales and comparisons

How big is 12978?

12,978 seconds is equal to 3 hours, 36 minutes, 18 seconds.
To count from 1 to 12,978 would take you about three 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 12978 cubic inches would be around 2 feet tall.

Recreational maths with 12978

12978 backwards is 87921
The number of decimal digits it has is: 5
The sum of 12978's digits is 27
More coming soon!

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The information we have on file for 12978 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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