217280

217,280 is an even composite number composed of four prime numbers multiplied together.

What does the number 217280 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 56 divisors.

217280 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.

Prime factorization of 217280:

2⁶ × 5 × 7 × 97

(2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 97)

See below for interesting mathematical facts about the number 217280 from the Numbermatics database.

Names of 217280

Cardinal: 217280 can be written as Two hundred seventeen thousand, two hundred eighty.

Scientific notation

Scientific notation: 2.1728 × 10⁵

Factors of 217280

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 9
Sum of prime factors: 111

Divisors of 217280

Number of divisors d(n): 56
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 97 112 140 160 194 224 280 320 388 448 485 560 679 776 970 1120 1358 1552 1940 2240 2716 3104 3395 3880 5432 6208 6790 7760 10864 13580 15520 21728 27160 31040 43456 54320 108640 217280
Sum of all divisors σ(n): 597408
Sum of proper divisors (its aliquot sum) s(n): 380128
217280 is an abundant number, because the sum of its proper divisors (380128) is greater than itself. Its abundance is 162848

Bases of 217280

Binary: 110101000011000000₂
Hexadecimal: 0x350C0
Base-36: 4NNK

Squares and roots of 217280

217280 squared (217280²) is 47210598400
217280 cubed (217280³) is 10257918820352000
The square root of 217280 is 466.1330282227
The cube root of 217280 is 60.1182851755

Scales and comparisons

How big is 217280?

217,280 seconds is equal to 2 days, 12 hours, 21 minutes, 20 seconds.
To count from 1 to 217,280 would take you about two 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 217280 cubic inches would be around 5 feet tall.

Recreational maths with 217280

217280 backwards is 082712
217280 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 217280's digits is 20
More coming soon!

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The information we have on file for 217280 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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