1128

1,128 is an even composite number composed of three prime numbers multiplied together.

What does the number 1128 look like?

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

1128 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 1128:

23 × 3 × 47

(2 × 2 × 2 × 3 × 47)

See below for interesting mathematical facts about the number 1128 from the Numbermatics database.

Names of 1128

• Cardinal: 1128 can be written as One thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.128 × 103

Factors of 1128

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 52

Divisors of 1128

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 2880
• Sum of proper divisors (its aliquot sum) s(n): 1752
• 1128 is an abundant number, because the sum of its proper divisors (1752) is greater than itself. Its abundance is 624

Bases of 1128

• Binary: 100011010002
• Base-36: VC

Squares and roots of 1128

• 1128 squared (11282) is 1272384
• 1128 cubed (11283) is 1435249152
• The square root of 1128 is 33.5857112475
• The cube root of 1128 is 10.4096557267

Scales and comparisons

How big is 1128?
• 1,128 seconds is equal to 18 minutes, 48 seconds.
• To count from 1 to 1,128 would take you about eighteen minutes.

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 1128 cubic inches would be around 0.9 feet tall.

Recreational maths with 1128

• 1128 backwards is 8211
• 1128 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 1128's digits is 12
• More coming soon!

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"Number 1128 - Facts about the integer". Numbermatics.com. 2022. Web. 26 January 2022.

APA style:
Numbermatics. (2022). Number 1128 - Facts about the integer. Retrieved 26 January 2022, from https://numbermatics.com/n/1128/

Chicago style:
Numbermatics. 2022. "Number 1128 - Facts about the integer". https://numbermatics.com/n/1128/

The information we have on file for 1128 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!

Keywords: Divisors of 1128, math, Factors of 1128, curriculum, school, college, exams, university, Prime factorization of 1128, STEM, science, technology, engineering, physics, economics, calculator, one thousand, one hundred twenty-eight.

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