221166990
221,166,990 is an even composite number composed of six prime numbers multiplied together.
221166990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 221166990:
2 × 33 × 5 × 11 × 113 × 659
(2 × 3 × 3 × 3 × 5 × 11 × 113 × 659)See below for interesting mathematical facts about the number 221166990 from the Numbermatics database.
Names of 221166990
- Cardinal: 221166990 can be written as Two hundred twenty-one million, one hundred sixty-six thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.2116699 × 108
Factors of 221166990
Divisors of 221166990
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 113 135 165 198 226 270 297 330 339 495 565 594 659 678 990 1017 1130 1243 1318 1485 1695 1977 2034 2486 2970 3051 3295 3390 3729 3954 5085 5931 6102 6215 6590 7249 7458 9885 10170 11187 11862 12430 14498 15255 17793 18645 19770 21747 22374 29655 30510 33561 35586 36245 37290 43494 55935 59310 65241 67122 72490 74467 88965 108735 111870 130482 148934 167805 177930 195723 217470 223401 326205 335610 372335 391446 446802 652410 670203 744670 819137 978615 1117005 1340406 1638274 1957230 2010609 2234010 2457411 3351015 4021218 4095685 4914822 6702030 7372233 8191370 10053045 12287055 14744466 20106090 22116699 24574110 36861165 44233398 73722330 110583495 221166990
- Sum of all divisors σ(n): 650073600
- Sum of proper divisors (its aliquot sum) s(n): 428906610
- 221166990 is an abundant number, because the sum of its proper divisors (428906610) is greater than itself. Its abundance is 207739620
Bases of 221166990
- Binary: 11010010111010111101100011102
- Hexadecimal: 0xD2EBD8E
- Base-36: 3NODJI
Squares and roots of 221166990
- 221166990 squared (2211669902) is 48914837465660100
- 221166990 cubed (2211669903) is 10818347368619272680099000
-
The
square root of 221166990 is 14871.6841682441 -
The
cube root of 221166990 is 604.7466006173
Scales and comparisons
How big is 221166990?- 221,166,990 seconds is equal to 7 years, 1 week, 4 days, 19 hours, 16 minutes, 30 seconds.
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To count from 1 to 221,166,990 would take you about ten years!
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 221166990 cubic inches would be around 50.4 feet tall.
Recreational maths with 221166990
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