18249980

18,249,980 is an even composite number composed of five prime numbers multiplied together.

What does the number 18249980 look like?

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

18249980 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 18249980:

2² × 5 × 7 × 61 × 2137

(2 × 2 × 5 × 7 × 61 × 2137)

See below for interesting mathematical facts about the number 18249980 from the Numbermatics database.

Names of 18249980

Cardinal: 18249980 can be written as Eighteen million, two hundred forty-nine thousand, nine hundred eighty.

Scientific notation

Scientific notation: 1.824998 × 10⁷

Factors of 18249980

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 2212

Divisors of 18249980

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 7 10 14 20 28 35 61 70 122 140 244 305 427 610 854 1220 1708 2135 2137 4270 4274 8540 8548 10685 14959 21370 29918 42740 59836 74795 130357 149590 260714 299180 521428 651785 912499 1303570 1824998 2607140 3649996 4562495 9124990 18249980
Sum of all divisors σ(n): 44538816
Sum of proper divisors (its aliquot sum) s(n): 26288836
18249980 is an abundant number, because the sum of its proper divisors (26288836) is greater than itself. Its abundance is 8038856

Bases of 18249980

Binary: 1000101100111100011111100₂
Hexadecimal: 0x11678FC
Base-36: AV5RW

Squares and roots of 18249980

18249980 squared (18249980²) is 333061770000400
18249980 cubed (18249980³) is 6078370641271899992000
The square root of 18249980 is 4271.9995318351
The cube root of 18249980 is 263.2817752327

Scales and comparisons

How big is 18249980?

18,249,980 seconds is equal to 30 weeks, 1 day, 5 hours, 26 minutes, 20 seconds.
To count from 1 to 18,249,980 would take you about forty-five 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 18249980 cubic inches would be around 21.9 feet tall.

Recreational maths with 18249980

18249980 backwards is 08994281
The number of decimal digits it has is: 8
The sum of 18249980's digits is 41
More coming soon!

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The information we have on file for 18249980 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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