12821680

12,821,680 is an even composite number composed of four prime numbers multiplied together.

What does the number 12821680 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

12821680 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 12821680:

2⁴ × 5 × 293 × 547

(2 × 2 × 2 × 2 × 5 × 293 × 547)

See below for interesting mathematical facts about the number 12821680 from the Numbermatics database.

Names of 12821680

Cardinal: 12821680 can be written as Twelve million, eight hundred twenty-one thousand, six hundred eighty.

Scientific notation

Scientific notation: 1.282168 × 10⁷

Factors of 12821680

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 847

Divisors of 12821680

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 8 10 16 20 40 80 293 547 586 1094 1172 1465 2188 2344 2735 2930 4376 4688 5470 5860 8752 10940 11720 21880 23440 43760 160271 320542 641084 801355 1282168 1602710 2564336 3205420 6410840 12821680
Sum of all divisors σ(n): 29966832
Sum of proper divisors (its aliquot sum) s(n): 17145152
12821680 is an abundant number, because the sum of its proper divisors (17145152) is greater than itself. Its abundance is 4323472

Bases of 12821680

Binary: 110000111010010010110000₂
Hexadecimal: 0xC3A4B0
Base-36: 7MT9S

Squares and roots of 12821680

12821680 squared (12821680²) is 164395478022400
12821680 cubed (12821680³) is 2107826212650245632000
The square root of 12821680 is 3580.7373542331
The cube root of 12821680 is 234.0534126979

Scales and comparisons

How big is 12821680?

12,821,680 seconds is equal to 21 weeks, 1 day, 9 hours, 34 minutes, 40 seconds.
To count from 1 to 12,821,680 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 12821680 cubic inches would be around 19.5 feet tall.

Recreational maths with 12821680

12821680 backwards is 08612821
The number of decimal digits it has is: 8
The sum of 12821680's digits is 28
More coming soon!

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The information we have on file for 12821680 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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