12918090

12,918,090 is an even composite number composed of four prime numbers multiplied together.

What does the number 12918090 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

12918090 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 12918090:

2 × 3 × 5 × 430603

See below for interesting mathematical facts about the number 12918090 from the Numbermatics database.

Names of 12918090

Cardinal: 12918090 can be written as Twelve million, nine hundred eighteen thousand and ninety.

Scientific notation

Scientific notation: 1.291809 × 10⁷

Factors of 12918090

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 430613

Divisors of 12918090

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 5 6 10 15 30 430603 861206 1291809 2153015 2583618 4306030 6459045 12918090
Sum of all divisors σ(n): 31003488
Sum of proper divisors (its aliquot sum) s(n): 18085398
12918090 is an abundant number, because the sum of its proper divisors (18085398) is greater than itself. Its abundance is 5167308

Bases of 12918090

Binary: 110001010001110101001010₂
Hexadecimal: 0xC51D4A
Base-36: 7OVNU

Squares and roots of 12918090

12918090 squared (12918090²) is 166877049248100
12918090 cubed (12918090³) is 2155732741121388129000
The square root of 12918090 is 3594.1744531949
The cube root of 12918090 is 234.6385873591

Scales and comparisons

How big is 12918090?

12,918,090 seconds is equal to 21 weeks, 2 days, 12 hours, 21 minutes, 30 seconds.
To count from 1 to 12,918,090 would take you about thirty-two 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 12918090 cubic inches would be around 19.6 feet tall.

Recreational maths with 12918090

12918090 backwards is 09081921
12918090 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 12918090's digits is 30
More coming soon!

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The information we have on file for 12918090 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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