987990

987,990 is an even composite number composed of four prime numbers multiplied together.

What does the number 987990 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

987990 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 987990:

2 × 3 × 5 × 32933

See below for interesting mathematical facts about the number 987990 from the Numbermatics database.

Names of 987990

Cardinal: 987990 can be written as Nine hundred eighty-seven thousand, nine hundred ninety.

Scientific notation

Scientific notation: 9.8799 × 10⁵

Factors of 987990

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 32943

Divisors of 987990

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 5 6 10 15 30 32933 65866 98799 164665 197598 329330 493995 987990
Sum of all divisors σ(n): 2371248
Sum of proper divisors (its aliquot sum) s(n): 1383258
987990 is an abundant number, because the sum of its proper divisors (1383258) is greater than itself. Its abundance is 395268

Bases of 987990

Binary: 11110001001101010110₂
Hexadecimal: 0xF1356
Base-36: L6C6

Squares and roots of 987990

987990 squared (987990²) is 976124240100
987990 cubed (987990³) is 964400987976399000
The square root of 987990 is 993.9768608975
The cube root of 987990 is 99.5980532191

Scales and comparisons

How big is 987990?

987,990 seconds is equal to 1 week, 4 days, 10 hours, 26 minutes, 30 seconds.
To count from 1 to 987,990 would take you about four days!

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 987990 cubic inches would be around 8.3 feet tall.

Recreational maths with 987990

987990 backwards is 099789
The number of decimal digits it has is: 6
The sum of 987990's digits is 42
More coming soon!

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The information we have on file for 987990 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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