21383208
21,383,208 is an even composite number composed of six prime numbers multiplied together.
21383208 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21383208:
23 × 32 × 72 × 11 × 19 × 29
(2 × 2 × 2 × 3 × 3 × 7 × 7 × 11 × 19 × 29)See below for interesting mathematical facts about the number 21383208 from the Numbermatics database.
Names of 21383208
- Cardinal: 21383208 can be written as Twenty-one million, three hundred eighty-three thousand, two hundred eight.
Scientific notation
- Scientific notation: 2.1383208 × 107
Factors of 21383208
Divisors of 21383208
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 18 19 21 22 24 28 29 33 36 38 42 44 49 56 57 58 63 66 72 76 77 84 87 88 98 99 114 116 126 132 133 147 152 154 168 171 174 196 198 203 209 228 231 232 252 261 264 266 294 308 319 342 348 392 396 399 406 418 441 456 462 504 522 532 539 551 588 609 616 627 638 684 693 696 792 798 812 836 882 924 931 957 1044 1064 1078 1102 1176 1197 1218 1254 1276 1368 1386 1421 1463 1596 1617 1624 1653 1672 1764 1827 1848 1862 1881 1914 2088 2156 2204 2233 2394 2436 2508 2552 2772 2793 2842 2871 2926 3192 3234 3306 3528 3654 3724 3762 3828 3857 4263 4312 4389 4408 4466 4788 4851 4872 4959 5016 5544 5586 5684 5742 5852 6061 6468 6612 6699 7308 7448 7524 7656 7714 8379 8526 8778 8932 9576 9702 9918 10241 11172 11368 11484 11571 11704 12122 12789 12936 13167 13224 13398 14616 15048 15428 15631 16758 17052 17556 17864 18183 19404 19836 20097 20482 22344 22968 23142 24244 25578 26334 26796 26999 30723 30856 31262 33516 34104 34713 35112 36366 38808 39672 40194 40964 42427 46284 46893 48488 51156 52668 53592 53998 54549 61446 62524 67032 69426 72732 80388 80997 81928 84854 92169 92568 93786 102312 105336 107996 109098 122892 125048 127281 138852 140679 145464 160776 161994 169708 184338 187572 215992 218196 242991 245784 254562 277704 281358 296989 323988 339416 368676 375144 381843 436392 485982 509124 562716 593978 647976 737352 763686 890967 971964 1018248 1125432 1187956 1527372 1781934 1943928 2375912 2672901 3054744 3563868 5345802 7127736 10691604 21383208
- Sum of all divisors σ(n): 80028000
- Sum of proper divisors (its aliquot sum) s(n): 58644792
- 21383208 is an abundant number, because the sum of its proper divisors (58644792) is greater than itself. Its abundance is 37261584
Bases of 21383208
- Binary: 10100011001001000001010002
- Hexadecimal: 0x1464828
- Base-36: CQBE0
Squares and roots of 21383208
- 21383208 squared (213832082) is 457241584371264
- 21383208 cubed (213832083) is 9777291904860287334912
-
The
square root of 21383208 is 4624.1980926427 -
The
cube root of 21383208 is 277.5604737937
Scales and comparisons
How big is 21383208?- 21,383,208 seconds is equal to 35 weeks, 2 days, 11 hours, 46 minutes, 48 seconds.
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To count from 1 to 21,383,208 would take you about five 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 21383208 cubic inches would be around 23.1 feet tall.
Recreational maths with 21383208
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The information we have on file for 21383208 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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