3947940

3,947,940 is an even composite number composed of four prime numbers multiplied together.

What does the number 3947940 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 60 divisors.

3947940 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.

Prime factorization of 3947940:

2² × 3⁴ × 5 × 2437

(2 × 2 × 3 × 3 × 3 × 3 × 5 × 2437)

See below for interesting mathematical facts about the number 3947940 from the Numbermatics database.

Names of 3947940

Cardinal: 3947940 can be written as Three million, nine hundred forty-seven thousand, nine hundred forty.

Scientific notation

Scientific notation: 3.94794 × 10⁶

Factors of 3947940

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 2447

Divisors of 3947940

Number of divisors d(n): 60
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 2437 4874 7311 9748 12185 14622 21933 24370 29244 36555 43866 48740 65799 73110 87732 109665 131598 146220 197397 219330 263196 328995 394794 438660 657990 789588 986985 1315980 1973970 3947940
Sum of all divisors σ(n): 12389916
Sum of proper divisors (its aliquot sum) s(n): 8441976
3947940 is an abundant number, because the sum of its proper divisors (8441976) is greater than itself. Its abundance is 4494036

Bases of 3947940

Binary: 1111000011110110100100₂
Hexadecimal: 0x3C3DA4
Base-36: 2CM90

Squares and roots of 3947940

3947940 squared (3947940²) is 15586230243600
3947940 cubed (3947940³) is 61533501827918184000
The square root of 3947940 is 1986.9423746047
The cube root of 3947940 is 158.0484282463

Scales and comparisons

How big is 3947940?

3,947,940 seconds is equal to 6 weeks, 3 days, 16 hours, 39 minutes.
To count from 1 to 3,947,940 would take you about nine weeks!

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 3947940 cubic inches would be around 13.2 feet tall.

Recreational maths with 3947940

3947940 backwards is 0497493
3947940 is a Harshad number.
The number of decimal digits it has is: 7
The sum of 3947940's digits is 36
More coming soon!

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The information we have on file for 3947940 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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