18909420

18,909,420 is an even composite number composed of five prime numbers multiplied together.

What does the number 18909420 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

18909420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 18909420:

2² × 3 × 5 × 113 × 2789

(2 × 2 × 3 × 5 × 113 × 2789)

See below for interesting mathematical facts about the number 18909420 from the Numbermatics database.

Names of 18909420

Cardinal: 18909420 can be written as Eighteen million, nine hundred nine thousand, four hundred twenty.

Scientific notation

Scientific notation: 1.890942 × 10⁷

Factors of 18909420

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 2912

Divisors of 18909420

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 30 60 113 226 339 452 565 678 1130 1356 1695 2260 2789 3390 5578 6780 8367 11156 13945 16734 27890 33468 41835 55780 83670 167340 315157 630314 945471 1260628 1575785 1890942 3151570 3781884 4727355 6303140 9454710 18909420
Sum of all divisors σ(n): 53434080
Sum of proper divisors (its aliquot sum) s(n): 34524660
18909420 is an abundant number, because the sum of its proper divisors (34524660) is greater than itself. Its abundance is 15615240

Bases of 18909420

Binary: 1001000001000100011101100₂
Hexadecimal: 0x12088EC
Base-36: B9ALO

Squares and roots of 18909420

18909420 squared (18909420²) is 357566164736400
18909420 cubed (18909420³) is 6761368786789776888000
The square root of 18909420 is 4348.4962918231
The cube root of 18909420 is 266.4154474355

Scales and comparisons

How big is 18909420?

18,909,420 seconds is equal to 31 weeks, 1 day, 20 hours, 37 minutes.
To count from 1 to 18,909,420 would take you about forty-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 18909420 cubic inches would be around 22.2 feet tall.

Recreational maths with 18909420

18909420 backwards is 02490981
The number of decimal digits it has is: 8
The sum of 18909420's digits is 33
More coming soon!

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The information we have on file for 18909420 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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