3216728

3,216,728 is an even composite number composed of two prime numbers multiplied together.

What does the number 3216728 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

3216728 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 3216728:

2³ × 402091

(2 × 2 × 2 × 402091)

See below for interesting mathematical facts about the number 3216728 from the Numbermatics database.

Names of 3216728

Cardinal: 3216728 can be written as Three million, two hundred sixteen thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 3.216728 × 10⁶

Factors of 3216728

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 402093

Divisors of 3216728

Number of divisors d(n): 8
Complete list of divisors:
1 2 4 8 402091 804182 1608364 3216728
Sum of all divisors σ(n): 6031380
Sum of proper divisors (its aliquot sum) s(n): 2814652
3216728 is a deficient number, because the sum of its proper divisors (2814652) is less than itself. Its deficiency is 402076

Bases of 3216728

Binary: 1100010001010101011000₂
Hexadecimal: 0x311558
Base-36: 1WY1K

Squares and roots of 3216728

3216728 squared (3216728²) is 10347339025984
3216728 cubed (3216728³) is 33284575170375460352
The square root of 3216728 is 1793.5239056115
The cube root of 3216728 is 147.6175908021

Scales and comparisons

How big is 3216728?

3,216,728 seconds is equal to 5 weeks, 2 days, 5 hours, 32 minutes, 8 seconds.
To count from 1 to 3,216,728 would take you about seven 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 3216728 cubic inches would be around 12.3 feet tall.

Recreational maths with 3216728

3216728 backwards is 8276123
The number of decimal digits it has is: 7
The sum of 3216728's digits is 29
More coming soon!

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The information we have on file for 3216728 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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