121280

121,280 is an even composite number composed of three prime numbers multiplied together.

What does the number 121280 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

121280 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

Prime factorization of 121280:

2⁶ × 5 × 379

(2 × 2 × 2 × 2 × 2 × 2 × 5 × 379)

See below for interesting mathematical facts about the number 121280 from the Numbermatics database.

Names of 121280

Cardinal: 121280 can be written as One hundred twenty-one thousand, two hundred eighty.

Scientific notation

Scientific notation: 1.2128 × 10⁵

Factors of 121280

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 386

Divisors of 121280

Number of divisors d(n): 28
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 160 320 379 758 1516 1895 3032 3790 6064 7580 12128 15160 24256 30320 60640 121280
Sum of all divisors σ(n): 289560
Sum of proper divisors (its aliquot sum) s(n): 168280
121280 is an abundant number, because the sum of its proper divisors (168280) is greater than itself. Its abundance is 47000

Bases of 121280

Binary: 11101100111000000₂
Hexadecimal: 0x1D9C0
Base-36: 2LKW

Squares and roots of 121280

121280 squared (121280²) is 14708838400
121280 cubed (121280³) is 1783887921152000
The square root of 121280 is 348.2527817549
The cube root of 121280 is 49.4989966807

Scales and comparisons

How big is 121280?

121,280 seconds is equal to 1 day, 9 hours, 41 minutes, 20 seconds.
To count from 1 to 121,280 would take you about nine 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 121280 cubic inches would be around 4.1 feet tall.

Recreational maths with 121280

121280 backwards is 082121
The number of decimal digits it has is: 6
The sum of 121280's digits is 14
More coming soon!

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The information we have on file for 121280 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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