125440

125,440 is an even composite number composed of three prime numbers multiplied together.

What does the number 125440 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 60 divisors.

125440 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty divisors.

Prime factorization of 125440:

29 × 5 × 72

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7)

See below for interesting mathematical facts about the number 125440 from the Numbermatics database.

Names of 125440

• Cardinal: 125440 can be written as One hundred twenty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.2544 × 105

Factors of 125440

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 14

Divisors of 125440

• Number of divisors d(n): 60
• Complete list of divisors:
• Sum of all divisors σ(n): 349866
• Sum of proper divisors (its aliquot sum) s(n): 224426
• 125440 is an abundant number, because the sum of its proper divisors (224426) is greater than itself. Its abundance is 98986

Bases of 125440

• Binary: 111101010000000002
• Base-36: 2OSG

Squares and roots of 125440

• 125440 squared (1254402) is 15735193600
• 125440 cubed (1254403) is 1973822685184000
• The square root of 125440 is 354.1750979389
• The cube root of 125440 is 50.0585979655

Scales and comparisons

How big is 125440?
• 125,440 seconds is equal to 10 hours, 50 minutes, 40 seconds.
• To count from 1 to 125,440 would take you about ten hours.

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 125440 cubic inches would be around 4.2 feet tall.

Recreational maths with 125440

• 125440 backwards is 044521
• 125440 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 125440's digits is 16
• 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: