145240

145,240 is an even composite number composed of three prime numbers multiplied together.

What does the number 145240 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

145240 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 145240:

2³ × 5 × 3631

(2 × 2 × 2 × 5 × 3631)

See below for interesting mathematical facts about the number 145240 from the Numbermatics database.

Names of 145240

Cardinal: 145240 can be written as One hundred forty-five thousand, two hundred forty.

Scientific notation

Scientific notation: 1.4524 × 10⁵

Factors of 145240

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 3638

Divisors of 145240

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 5 8 10 20 40 3631 7262 14524 18155 29048 36310 72620 145240
Sum of all divisors σ(n): 326880
Sum of proper divisors (its aliquot sum) s(n): 181640
145240 is an abundant number, because the sum of its proper divisors (181640) is greater than itself. Its abundance is 36400

Bases of 145240

Binary: 100011011101011000₂
Hexadecimal: 0x23758
Base-36: 342G

Squares and roots of 145240

145240 squared (145240²) is 21094657600
145240 cubed (145240³) is 3063788069824000
The square root of 145240 is 381.1036604389
The cube root of 145240 is 52.5648480601

Scales and comparisons

How big is 145240?

145,240 seconds is equal to 1 day, 16 hours, 20 minutes, 40 seconds.
To count from 1 to 145,240 would take you about sixteen 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 145240 cubic inches would be around 4.4 feet tall.

Recreational maths with 145240

145240 backwards is 042541
The number of decimal digits it has is: 6
The sum of 145240's digits is 16
More coming soon!

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The information we have on file for 145240 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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