3205728

3,205,728 is an even composite number composed of three prime numbers multiplied together.

What does the number 3205728 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 36 divisors.

3205728 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 3205728:

2⁵ × 3² × 11131

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 11131)

See below for interesting mathematical facts about the number 3205728 from the Numbermatics database.

Names of 3205728

Cardinal: 3205728 can be written as Three million, two hundred five thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 3.205728 × 10⁶

Factors of 3205728

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 11136

Divisors of 3205728

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 11131 22262 33393 44524 66786 89048 100179 133572 178096 200358 267144 356192 400716 534288 801432 1068576 1602864 3205728
Sum of all divisors σ(n): 9117108
Sum of proper divisors (its aliquot sum) s(n): 5911380
3205728 is an abundant number, because the sum of its proper divisors (5911380) is greater than itself. Its abundance is 2705652

Bases of 3205728

Binary: 1100001110101001100000₂
Hexadecimal: 0x30EA60
Base-36: 1WPK0

Squares and roots of 3205728

3205728 squared (3205728²) is 10276692009984
3205728 cubed (3205728³) is 32944279323781988352
The square root of 3205728 is 1790.4546908537
The cube root of 3205728 is 147.4491330873

Scales and comparisons

How big is 3205728?

3,205,728 seconds is equal to 5 weeks, 2 days, 2 hours, 28 minutes, 48 seconds.
To count from 1 to 3,205,728 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 3205728 cubic inches would be around 12.3 feet tall.

Recreational maths with 3205728

3205728 backwards is 8275023
The number of decimal digits it has is: 7
The sum of 3205728's digits is 27
More coming soon!

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The information we have on file for 3205728 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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