987561

987,561 is an odd composite number composed of three prime numbers multiplied together.

What does the number 987561 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

987561 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 987561:

3² × 197 × 557

(3 × 3 × 197 × 557)

See below for interesting mathematical facts about the number 987561 from the Numbermatics database.

Names of 987561

Cardinal: 987561 can be written as Nine hundred eighty-seven thousand, five hundred sixty-one.

Scientific notation

Scientific notation: 9.87561 × 10⁵

Factors of 987561

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 757

Divisors of 987561

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 197 557 591 1671 1773 5013 109729 329187 987561
Sum of all divisors σ(n): 1436292
Sum of proper divisors (its aliquot sum) s(n): 448731
987561 is a deficient number, because the sum of its proper divisors (448731) is less than itself. Its deficiency is 538830

Bases of 987561

Binary: 11110001000110101001₂
Hexadecimal: 0xF11A9
Base-36: L609

Squares and roots of 987561

987561 squared (987561²) is 975276728721
987561 cubed (987561³) is 963145261492439481
The square root of 987561 is 993.7610376745
The cube root of 987561 is 99.5836354785

Scales and comparisons

How big is 987561?

987,561 seconds is equal to 1 week, 4 days, 10 hours, 19 minutes, 21 seconds.
To count from 1 to 987,561 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 987561 cubic inches would be around 8.3 feet tall.

Recreational maths with 987561

987561 backwards is 165789
The number of decimal digits it has is: 6
The sum of 987561's digits is 36
More coming soon!

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The information we have on file for 987561 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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