21238308
21,238,308 is an even composite number composed of five prime numbers multiplied together.
21238308 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 21238308:
22 × 33 × 7 × 13 × 2161
(2 × 2 × 3 × 3 × 3 × 7 × 13 × 2161)See below for interesting mathematical facts about the number 21238308 from the Numbermatics database.
Names of 21238308
- Cardinal: 21238308 can be written as Twenty-one million, two hundred thirty-eight thousand, three hundred eight.
Scientific notation
- Scientific notation: 2.1238308 × 107
Factors of 21238308
Divisors of 21238308
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 84 91 108 117 126 156 182 189 234 252 273 351 364 378 468 546 702 756 819 1092 1404 1638 2161 2457 3276 4322 4914 6483 8644 9828 12966 15127 19449 25932 28093 30254 38898 45381 56186 58347 60508 77796 84279 90762 112372 116694 136143 168558 181524 196651 233388 252837 272286 337116 393302 408429 505674 544572 589953 758511 786604 816858 1011348 1179906 1517022 1633716 1769859 2359812 3034044 3539718 5309577 7079436 10619154 21238308
- Sum of all divisors σ(n): 67800320
- Sum of proper divisors (its aliquot sum) s(n): 46562012
- 21238308 is an abundant number, because the sum of its proper divisors (46562012) is greater than itself. Its abundance is 25323704
Bases of 21238308
- Binary: 10100010000010010001001002
- Hexadecimal: 0x1441224
- Base-36: CN7L0
Squares and roots of 21238308
- 21238308 squared (212383082) is 451065726702864
- 21238308 cubed (212383083) is 9579872831959250114112
-
The
square root of 21238308 is 4608.5038787007 -
The
cube root of 21238308 is 276.9321037655
Scales and comparisons
How big is 21238308?- 21,238,308 seconds is equal to 35 weeks, 19 hours, 31 minutes, 48 seconds.
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To count from 1 to 21,238,308 would take you about four 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 21238308 cubic inches would be around 23.1 feet tall.
Recreational maths with 21238308
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The information we have on file for 21238308 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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