2640728

2,640,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 2640728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

2640728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 2640728:

2³ × 41 × 83 × 97

(2 × 2 × 2 × 41 × 83 × 97)

See below for interesting mathematical facts about the number 2640728 from the Numbermatics database.

Names of 2640728

Cardinal: 2640728 can be written as Two million, six hundred forty thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 2.640728 × 10⁶

Factors of 2640728

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 223

Divisors of 2640728

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 8 41 82 83 97 164 166 194 328 332 388 664 776 3403 3977 6806 7954 8051 13612 15908 16102 27224 31816 32204 64408 330091 660182 1320364 2640728
Sum of all divisors σ(n): 5186160
Sum of proper divisors (its aliquot sum) s(n): 2545432
2640728 is a deficient number, because the sum of its proper divisors (2545432) is less than itself. Its deficiency is 95296

Bases of 2640728

Binary: 1010000100101101011000₂
Hexadecimal: 0x284B58
Base-36: 1KLLK

Squares and roots of 2640728

2640728 squared (2640728²) is 6973444369984
2640728 cubed (2640728³) is 18414969804259108352
The square root of 2640728 is 1625.0316919987
The cube root of 2640728 is 138.2211674429

Scales and comparisons

How big is 2640728?

2,640,728 seconds is equal to 4 weeks, 2 days, 13 hours, 32 minutes, 8 seconds.
To count from 1 to 2,640,728 would take you about six 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 2640728 cubic inches would be around 11.5 feet tall.

Recreational maths with 2640728

2640728 backwards is 8270462
The number of decimal digits it has is: 7
The sum of 2640728's digits is 29
More coming soon!

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The information we have on file for 2640728 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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