12640689

12,640,689 is an odd composite number composed of three prime numbers multiplied together.

What does the number 12640689 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

12640689 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 12640689:

3² × 67 × 20963

(3 × 3 × 67 × 20963)

See below for interesting mathematical facts about the number 12640689 from the Numbermatics database.

Names of 12640689

Cardinal: 12640689 can be written as Twelve million, six hundred forty thousand, six hundred eighty-nine.

Scientific notation

Scientific notation: 1.2640689 × 10⁷

Factors of 12640689

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 21033

Divisors of 12640689

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 67 201 603 20963 62889 188667 1404521 4213563 12640689
Sum of all divisors σ(n): 18532176
Sum of proper divisors (its aliquot sum) s(n): 5891487
12640689 is a deficient number, because the sum of its proper divisors (5891487) is less than itself. Its deficiency is 6749202

Bases of 12640689

Binary: 110000001110000110110001₂
Hexadecimal: 0xC0E1B1
Base-36: 7IXM9

Squares and roots of 12640689

12640689 squared (12640689²) is 159787018394721
12640689 cubed (12640689³) is 2019818005764947402769
The square root of 12640689 is 3555.3746638013
The cube root of 12640689 is 232.9468893543

Scales and comparisons

How big is 12640689?

12,640,689 seconds is equal to 20 weeks, 6 days, 7 hours, 18 minutes, 9 seconds.
To count from 1 to 12,640,689 would take you about thirty-one 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 12640689 cubic inches would be around 19.4 feet tall.

Recreational maths with 12640689

12640689 backwards is 98604621
The number of decimal digits it has is: 8
The sum of 12640689's digits is 36
More coming soon!

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The information we have on file for 12640689 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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