855985

855,985 is an odd composite number composed of three prime numbers multiplied together.

What does the number 855985 look like?

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

855985 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 855985:

5 × 13² × 1013

(5 × 13 × 13 × 1013)

See below for interesting mathematical facts about the number 855985 from the Numbermatics database.

Names of 855985

Cardinal: 855985 can be written as Eight hundred fifty-five thousand, nine hundred eighty-five.

Scientific notation

Scientific notation: 8.55985 × 10⁵

Factors of 855985

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 1031

Divisors of 855985

Number of divisors d(n): 12
Complete list of divisors:
1 5 13 65 169 845 1013 5065 13169 65845 171197 855985
Sum of all divisors σ(n): 1113372
Sum of proper divisors (its aliquot sum) s(n): 257387
855985 is a deficient number, because the sum of its proper divisors (257387) is less than itself. Its deficiency is 598598

Bases of 855985

Binary: 11010000111110110001₂
Hexadecimal: 0xD0FB1
Base-36: ICHD

Squares and roots of 855985

855985 squared (855985²) is 732710320225
855985 cubed (855985³) is 627189043457796625
The square root of 855985 is 925.1945741301
The cube root of 855985 is 94.9486333575

Scales and comparisons

How big is 855985?

855,985 seconds is equal to 1 week, 2 days, 21 hours, 46 minutes, 25 seconds.
To count from 1 to 855,985 would take you about two 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 855985 cubic inches would be around 7.9 feet tall.

Recreational maths with 855985

855985 backwards is 589558
The number of decimal digits it has is: 6
The sum of 855985's digits is 40
More coming soon!

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The information we have on file for 855985 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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