991328

991,328 is an even composite number composed of three prime numbers multiplied together.

What does the number 991328 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

991328 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 991328:

2⁵ × 13 × 2383

(2 × 2 × 2 × 2 × 2 × 13 × 2383)

See below for interesting mathematical facts about the number 991328 from the Numbermatics database.

Names of 991328

Cardinal: 991328 can be written as Nine hundred ninety-one thousand, three hundred twenty-eight.

Scientific notation

Scientific notation: 9.91328 × 10⁵

Factors of 991328

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 2398

Divisors of 991328

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 8 13 16 26 32 52 104 208 416 2383 4766 9532 19064 30979 38128 61958 76256 123916 247832 495664 991328
Sum of all divisors σ(n): 2102688
Sum of proper divisors (its aliquot sum) s(n): 1111360
991328 is an abundant number, because the sum of its proper divisors (1111360) is greater than itself. Its abundance is 120032

Bases of 991328

Binary: 11110010000001100000₂
Hexadecimal: 0xF2060
Base-36: L8WW

Squares and roots of 991328

991328 squared (991328²) is 982731203584
991328 cubed (991328³) is 974208958586519552
The square root of 991328 is 995.6545585691
The cube root of 991328 is 99.7100936889

Scales and comparisons

How big is 991328?

991,328 seconds is equal to 1 week, 4 days, 11 hours, 22 minutes, 8 seconds.
To count from 1 to 991,328 would take you about four days!

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 991328 cubic inches would be around 8.3 feet tall.

Recreational maths with 991328

991328 backwards is 823199
991328 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 991328's digits is 32
More coming soon!

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The information we have on file for 991328 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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