285120

285,120 is an even composite number composed of four prime numbers multiplied together.

What does the number 285120 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 140 divisors.

285120 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty divisors.

Prime factorization of 285120:

26 × 34 × 5 × 11

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 11)

See below for interesting mathematical facts about the number 285120 from the Numbermatics database.

Names of 285120

• Cardinal: 285120 can be written as Two hundred eighty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.8512 × 105

Factors of 285120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 21

Divisors of 285120

• Number of divisors d(n): 140
• Complete list of divisors:
• Sum of all divisors σ(n): 1106424
• Sum of proper divisors (its aliquot sum) s(n): 821304
• 285120 is an abundant number, because the sum of its proper divisors (821304) is greater than itself. Its abundance is 536184

Bases of 285120

• Binary: 10001011001110000002
• Base-36: 6400

Squares and roots of 285120

• 285120 squared (2851202) is 81293414400
• 285120 cubed (2851203) is 23178378313728000
• The square root of 285120 is 533.9662910709
• The cube root of 285120 is 65.8176786291

Scales and comparisons

How big is 285120?
• 285,120 seconds is equal to 3 days, 7 hours, 12 minutes.
• To count from 1 to 285,120 would take you about three 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 285120 cubic inches would be around 5.5 feet tall.

Recreational maths with 285120

• 285120 backwards is 021582
• 285120 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 285120's digits is 18
• More coming soon!

HTML: To link to this page, just copy and paste the link below into your blog, web page or email.

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below: