21022470
21,022,470 is an even composite number composed of five prime numbers multiplied together.
21022470 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21022470:
2 × 33 × 5 × 73 × 227
(2 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 227)See below for interesting mathematical facts about the number 21022470 from the Numbermatics database.
Names of 21022470
- Cardinal: 21022470 can be written as Twenty-one million, twenty-two thousand, four hundred seventy.
Scientific notation
- Scientific notation: 2.102247 × 107
Factors of 21022470
Divisors of 21022470
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 90 98 105 126 135 147 189 210 227 245 270 294 315 343 378 441 454 490 630 681 686 735 882 945 1029 1135 1323 1362 1470 1589 1715 1890 2043 2058 2205 2270 2646 3087 3178 3405 3430 4086 4410 4767 5145 6129 6174 6615 6810 7945 9261 9534 10215 10290 11123 12258 13230 14301 15435 15890 18522 20430 22246 23835 28602 30645 30870 33369 42903 46305 47670 55615 61290 66738 71505 77861 85806 92610 100107 111230 143010 155722 166845 200214 214515 233583 300321 333690 389305 429030 467166 500535 600642 700749 778610 1001070 1167915 1401498 1501605 2102247 2335830 3003210 3503745 4204494 7007490 10511235 21022470
- Sum of all divisors σ(n): 65664000
- Sum of proper divisors (its aliquot sum) s(n): 44641530
- 21022470 is an abundant number, because the sum of its proper divisors (44641530) is greater than itself. Its abundance is 23619060
Bases of 21022470
- Binary: 10100000011000111000001102
- Hexadecimal: 0x140C706
- Base-36: CIL1I
Squares and roots of 21022470
- 21022470 squared (210224702) is 441944244900900
- 21022470 cubed (210224703) is 9290759630101823223000
-
The
square root of 21022470 is 4585.0267174795 -
The
cube root of 21022470 is 275.9907841913
Scales and comparisons
How big is 21022470?- 21,022,470 seconds is equal to 34 weeks, 5 days, 7 hours, 34 minutes, 30 seconds.
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To count from 1 to 21,022,470 would take you about twenty-three hours!
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 21022470 cubic inches would be around 23 feet tall.
Recreational maths with 21022470
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The information we have on file for 21022470 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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