18077990

18,077,990 is an even composite number composed of five prime numbers multiplied together.

What does the number 18077990 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

18077990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 18077990:

2 × 5 × 7 × 101 × 2557

See below for interesting mathematical facts about the number 18077990 from the Numbermatics database.

Names of 18077990

Cardinal: 18077990 can be written as Eighteen million, seventy-seven thousand, nine hundred ninety.

Scientific notation

Scientific notation: 1.807799 × 10⁷

Factors of 18077990

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 2672

Divisors of 18077990

Number of divisors d(n): 32
Complete list of divisors:
1 2 5 7 10 14 35 70 101 202 505 707 1010 1414 2557 3535 5114 7070 12785 17899 25570 35798 89495 178990 258257 516514 1291285 1807799 2582570 3615598 9038995 18077990
Sum of all divisors σ(n): 37571904
Sum of proper divisors (its aliquot sum) s(n): 19493914
18077990 is an abundant number, because the sum of its proper divisors (19493914) is greater than itself. Its abundance is 1415924

Bases of 18077990

Binary: 1000100111101100100100110₂
Hexadecimal: 0x113D926
Base-36: ARH2E

Squares and roots of 18077990

18077990 squared (18077990²) is 326813722440100
18077990 cubed (18077990³) is 5908135206134903399000
The square root of 18077990 is 4251.8219624063
The cube root of 18077990 is 262.4520970789

Scales and comparisons

How big is 18077990?

18,077,990 seconds is equal to 29 weeks, 6 days, 5 hours, 39 minutes, 50 seconds.
To count from 1 to 18,077,990 would take you about forty-four 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 18077990 cubic inches would be around 21.9 feet tall.

Recreational maths with 18077990

18077990 backwards is 09977081
The number of decimal digits it has is: 8
The sum of 18077990's digits is 41
More coming soon!

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The information we have on file for 18077990 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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