12420909

12,420,909 is an odd composite number composed of three prime numbers multiplied together.

What does the number 12420909 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

12420909 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 12420909:

3² × 41² × 821

(3 × 3 × 41 × 41 × 821)

See below for interesting mathematical facts about the number 12420909 from the Numbermatics database.

Names of 12420909

Cardinal: 12420909 can be written as Twelve million, four hundred twenty thousand, nine hundred nine.

Scientific notation

Scientific notation: 1.2420909 × 10⁷

Factors of 12420909

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 865

Divisors of 12420909

Number of divisors d(n): 18
Complete list of divisors:
1 3 9 41 123 369 821 1681 2463 5043 7389 15129 33661 100983 302949 1380101 4140303 12420909
Sum of all divisors σ(n): 18411978
Sum of proper divisors (its aliquot sum) s(n): 5991069
12420909 is a deficient number, because the sum of its proper divisors (5991069) is less than itself. Its deficiency is 6429840

Bases of 12420909

Binary: 101111011000011100101101₂
Hexadecimal: 0xBD872D
Base-36: 7E819

Squares and roots of 12420909

12420909 squared (12420909²) is 154278980386281
12420909 cubed (12420909³) is 1916285175990781149429
The square root of 12420909 is 3524.3310003461
The cube root of 12420909 is 231.5889284799

Scales and comparisons

How big is 12420909?

12,420,909 seconds is equal to 20 weeks, 3 days, 18 hours, 15 minutes, 9 seconds.
To count from 1 to 12,420,909 would take you about thirty 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 12420909 cubic inches would be around 19.3 feet tall.

Recreational maths with 12420909

12420909 backwards is 90902421
The number of decimal digits it has is: 8
The sum of 12420909's digits is 27
More coming soon!

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The information we have on file for 12420909 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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