18989992

18,989,992 is an even composite number composed of three prime numbers multiplied together.

What does the number 18989992 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

18989992 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 18989992:

2³ × 7 × 339107

(2 × 2 × 2 × 7 × 339107)

See below for interesting mathematical facts about the number 18989992 from the Numbermatics database.

Names of 18989992

Cardinal: 18989992 can be written as Eighteen million, nine hundred eighty-nine thousand, nine hundred ninety-two.

Scientific notation

Scientific notation: 1.8989992 × 10⁷

Factors of 18989992

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 339116

Divisors of 18989992

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 7 8 14 28 56 339107 678214 1356428 2373749 2712856 4747498 9494996 18989992
Sum of all divisors σ(n): 40692960
Sum of proper divisors (its aliquot sum) s(n): 21702968
18989992 is an abundant number, because the sum of its proper divisors (21702968) is greater than itself. Its abundance is 2712976

Bases of 18989992

Binary: 1001000011100001110101000₂
Hexadecimal: 0x121C3A8
Base-36: BB0RS

Squares and roots of 18989992

18989992 squared (18989992²) is 360619796160064
18989992 cubed (18989992³) is 6848167044121246079488
The square root of 18989992 is 4357.7507959955
The cube root of 18989992 is 266.7933051283

Scales and comparisons

How big is 18989992?

18,989,992 seconds is equal to 31 weeks, 2 days, 18 hours, 59 minutes, 52 seconds.
To count from 1 to 18,989,992 would take you about forty-seven 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 18989992 cubic inches would be around 22.2 feet tall.

Recreational maths with 18989992

18989992 backwards is 29998981
The number of decimal digits it has is: 8
The sum of 18989992's digits is 55
More coming soon!

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The information we have on file for 18989992 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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