11445

11,445 is an odd composite number composed of four prime numbers multiplied together.

What does the number 11445 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

11445 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 11445:

3 × 5 × 7 × 109

See below for interesting mathematical facts about the number 11445 from the Numbermatics database.

Names of 11445

Cardinal: 11445 can be written as Eleven thousand, four hundred forty-five.

Scientific notation

Scientific notation: 1.1445 × 10⁴

Factors of 11445

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 124

Divisors of 11445

Number of divisors d(n): 16
Complete list of divisors:
1 3 5 7 15 21 35 105 109 327 545 763 1635 2289 3815 11445
Sum of all divisors σ(n): 21120
Sum of proper divisors (its aliquot sum) s(n): 9675
11445 is a deficient number, because the sum of its proper divisors (9675) is less than itself. Its deficiency is 1770

Bases of 11445

Binary: 10110010110101₂
Hexadecimal: 0x2CB5
Base-36: 8TX

Squares and roots of 11445

11445 squared (11445²) is 130988025
11445 cubed (11445³) is 1499157946125
The square root of 11445 is 106.9813067783
The cube root of 11445 is 22.5357456501

Scales and comparisons

How big is 11445?

11,445 seconds is equal to 3 hours, 10 minutes, 45 seconds.
To count from 1 to 11,445 would take you about three 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 11445 cubic inches would be around 1.9 feet tall.

Recreational maths with 11445

11445 backwards is 54411
11445 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 11445's digits is 15
More coming soon!

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The information we have on file for 11445 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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