21108220
21,108,220 is an even composite number composed of five prime numbers multiplied together.
21108220 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21108220:
22 × 5 × 73 × 17 × 181
(2 × 2 × 5 × 7 × 7 × 7 × 17 × 181)See below for interesting mathematical facts about the number 21108220 from the Numbermatics database.
Names of 21108220
- Cardinal: 21108220 can be written as Twenty-one million, one hundred eight thousand, two hundred twenty.
Scientific notation
- Scientific notation: 2.110822 × 107
Factors of 21108220
Divisors of 21108220
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 10 14 17 20 28 34 35 49 68 70 85 98 119 140 170 181 196 238 245 340 343 362 476 490 595 686 724 833 905 980 1190 1267 1372 1666 1715 1810 2380 2534 3077 3332 3430 3620 4165 5068 5831 6154 6335 6860 8330 8869 11662 12308 12670 15385 16660 17738 21539 23324 25340 29155 30770 35476 43078 44345 58310 61540 62083 86156 88690 107695 116620 124166 150773 177380 215390 248332 301546 310415 430780 603092 620830 753865 1055411 1241660 1507730 2110822 3015460 4221644 5277055 10554110 21108220
- Sum of all divisors σ(n): 55036800
- Sum of proper divisors (its aliquot sum) s(n): 33928580
- 21108220 is an abundant number, because the sum of its proper divisors (33928580) is greater than itself. Its abundance is 12820360
Bases of 21108220
- Binary: 10100001000010101111111002
- Hexadecimal: 0x14215FC
- Base-36: CKF7G
Squares and roots of 21108220
- 21108220 squared (211082202) is 445556951568400
- 21108220 cubed (211082203) is 9404914156235132248000
-
The
square root of 21108220 is 4594.3682917241 -
The
cube root of 21108220 is 276.3655277325
Scales and comparisons
How big is 21108220?- 21,108,220 seconds is equal to 34 weeks, 6 days, 7 hours, 23 minutes, 40 seconds.
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To count from 1 to 21,108,220 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 21108220 cubic inches would be around 23 feet tall.
Recreational maths with 21108220
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The information we have on file for 21108220 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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