13217280
13,217,280 is an even composite number composed of four prime numbers multiplied together.
13217280 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 13217280:
29 × 3 × 5 × 1721
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 1721)See below for interesting mathematical facts about the number 13217280 from the Numbermatics database.
Names of 13217280
- Cardinal: 13217280 can be written as Thirteen million, two hundred seventeen thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.321728 × 107
Factors of 13217280
Divisors of 13217280
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1280 1536 1721 1920 2560 3442 3840 5163 6884 7680 8605 10326 13768 17210 20652 25815 27536 34420 41304 51630 55072 68840 82608 103260 110144 137680 165216 206520 220288 275360 330432 413040 440576 550720 660864 826080 881152 1101440 1321728 1652160 2202880 2643456 3304320 4405760 6608640 13217280
- Sum of all divisors σ(n): 42278544
- Sum of proper divisors (its aliquot sum) s(n): 29061264
- 13217280 is an abundant number, because the sum of its proper divisors (29061264) is greater than itself. Its abundance is 15843984
Bases of 13217280
- Binary: 1100100110101110000000002
- Hexadecimal: 0xC9AE00
- Base-36: 7VAIO
Squares and roots of 13217280
- 13217280 squared (132172802) is 174696490598400
- 13217280 cubed (132172803) is 2309012431256420352000
-
The
square root of 13217280 is 3635.5577288773 -
The
cube root of 13217280 is 236.4362323181
Scales and comparisons
How big is 13217280?- 13,217,280 seconds is equal to 21 weeks, 5 days, 23 hours, 28 minutes.
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To count from 1 to 13,217,280 would take you about thirty-two weeks!
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 13217280 cubic inches would be around 19.7 feet tall.
Recreational maths with 13217280
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The information we have on file for 13217280 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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