20555220
20,555,220 is an even composite number composed of six prime numbers multiplied together.
20555220 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 20555220:
22 × 3 × 5 × 7 × 109 × 449
(2 × 2 × 3 × 5 × 7 × 109 × 449)See below for interesting mathematical facts about the number 20555220 from the Numbermatics database.
Names of 20555220
- Cardinal: 20555220 can be written as Twenty million, five hundred fifty-five thousand, two hundred twenty.
Scientific notation
- Scientific notation: 2.055522 × 107
Factors of 20555220
Divisors of 20555220
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 109 140 210 218 327 420 436 449 545 654 763 898 1090 1308 1347 1526 1635 1796 2180 2245 2289 2694 3052 3143 3270 3815 4490 4578 5388 6286 6540 6735 7630 8980 9156 9429 11445 12572 13470 15260 15715 18858 22890 26940 31430 37716 45780 47145 48941 62860 94290 97882 146823 188580 195764 244705 293646 342587 489410 587292 685174 734115 978820 1027761 1370348 1468230 1712935 2055522 2936460 3425870 4111044 5138805 6851740 10277610 20555220
- Sum of all divisors σ(n): 66528000
- Sum of proper divisors (its aliquot sum) s(n): 45972780
- 20555220 is an abundant number, because the sum of its proper divisors (45972780) is greater than itself. Its abundance is 25417560
Bases of 20555220
- Binary: 10011100110100101110101002
- Hexadecimal: 0x139A5D4
- Base-36: C8KIC
Squares and roots of 20555220
- 20555220 squared (205552202) is 422517069248400
- 20555220 cubed (205552203) is 8684931312156096648000
-
The
square root of 20555220 is 4533.7864969581 -
The
cube root of 20555220 is 273.9307015685
Scales and comparisons
How big is 20555220?- 20,555,220 seconds is equal to 33 weeks, 6 days, 21 hours, 47 minutes.
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To count from 1 to 20,555,220 would take you about fifty 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 20555220 cubic inches would be around 22.8 feet tall.
Recreational maths with 20555220
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The information we have on file for 20555220 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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