65280

65,280 is an even composite number composed of four prime numbers multiplied together.

What does the number 65280 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 72 divisors.

65280 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.

Prime factorization of 65280:

2⁸ × 3 × 5 × 17

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 17)

See below for interesting mathematical facts about the number 65280 from the Numbermatics database.

Names of 65280

Cardinal: 65280 can be written as Sixty-five thousand, two hundred eighty.

Scientific notation

Scientific notation: 6.528 × 10⁴

Factors of 65280

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 11
Sum of prime factors: 27

Divisors of 65280

Number of divisors d(n): 72
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 128 136 160 170 192 204 240 255 256 272 320 340 384 408 480 510 544 640 680 768 816 960 1020 1088 1280 1360 1632 1920 2040 2176 2720 3264 3840 4080 4352 5440 6528 8160 10880 13056 16320 21760 32640 65280
Sum of all divisors σ(n): 220752
Sum of proper divisors (its aliquot sum) s(n): 155472
65280 is an abundant number, because the sum of its proper divisors (155472) is greater than itself. Its abundance is 90192

Bases of 65280

Binary: 1111111100000000₂
Hexadecimal: 0xFF00
Base-36: 1EDC

Squares and roots of 65280

65280 squared (65280²) is 4261478400
65280 cubed (65280³) is 278189309952000
The square root of 65280 is 255.4995107627
The cube root of 65280 is 40.2649083825

Scales and comparisons

How big is 65280?

65,280 seconds is equal to 18 hours, 8 minutes.
To count from 1 to 65,280 would take you about eighteen 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 65280 cubic inches would be around 3.4 feet tall.

Recreational maths with 65280

65280 backwards is 08256
The number of decimal digits it has is: 5
The sum of 65280's digits is 21
More coming soon!

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The information we have on file for 65280 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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