72561

72,561 is an odd composite number composed of three prime numbers multiplied together.

What does the number 72561 look like?

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

72561 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 72561:

3 × 19² × 67

(3 × 19 × 19 × 67)

See below for interesting mathematical facts about the number 72561 from the Numbermatics database.

Names of 72561

Cardinal: 72561 can be written as Seventy-two thousand, five hundred sixty-one.

Scientific notation

Scientific notation: 7.2561 × 10⁴

Factors of 72561

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 89

Divisors of 72561

Number of divisors d(n): 12
Complete list of divisors:
1 3 19 57 67 201 361 1083 1273 3819 24187 72561
Sum of all divisors σ(n): 103632
Sum of proper divisors (its aliquot sum) s(n): 31071
72561 is a deficient number, because the sum of its proper divisors (31071) is less than itself. Its deficiency is 41490

Bases of 72561

Binary: 10001101101110001₂
Hexadecimal: 0x11B71
Base-36: 1JZL

Squares and roots of 72561

72561 squared (72561²) is 5265098721
72561 cubed (72561³) is 382040828294481
The square root of 72561 is 269.3714906963
The cube root of 72561 is 41.7094458413

Scales and comparisons

How big is 72561?

72,561 seconds is equal to 20 hours, 9 minutes, 21 seconds.
To count from 1 to 72,561 would take you about twenty 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 72561 cubic inches would be around 3.5 feet tall.

Recreational maths with 72561

72561 backwards is 16527
The number of decimal digits it has is: 5
The sum of 72561's digits is 21
More coming soon!

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The information we have on file for 72561 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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