21343587642
21,343,587,642 is an even composite number composed of six prime numbers multiplied together.
21343587642 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21343587642:
2 × 36 × 132 × 19 × 47 × 97
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 13 × 13 × 19 × 47 × 97)See below for interesting mathematical facts about the number 21343587642 from the Numbermatics database.
Names of 21343587642
- Cardinal: 21343587642 can be written as Twenty-one billion, three hundred forty-three million, five hundred eighty-seven thousand, six hundred forty-two.
Scientific notation
- Scientific notation: 2.1343587642 × 1010
Factors of 21343587642
Divisors of 21343587642
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 6 9 13 18 19 26 27 38 39 47 54 57 78 81 94 97 114 117 141 162 169 171 194 234 243 247 282 291 338 342 351 423 486 494 507 513 582 611 702 729 741 846 873 893 1014 1026 1053 1222 1261 1269 1458 1482 1521 1539 1746 1786 1833 1843 2106 2223 2522 2538 2619 2679 3042 3078 3159 3211 3666 3686 3783 3807 4446 4559 4563 4617 5238 5358 5499 5529 6318 6422 6669 7566 7614 7857 7943 8037 9118 9126 9234 9477 9633 10998 11058 11349 11421 11609 13338 13677 13689 13851 15714 15886 16074 16393 16497 16587 18954 19266 20007 22698 22842 23218 23571 23829 23959 24111 27354 27378 27702 28899 32786 32994 33174 34047 34263 34827 40014 41031 41067 47142 47658 47918 48222 49179 49491 49761 57798 59267 60021 68094 68526 69654 70713 71487 71877 72333 82062 82134 86621 86697 98358 98982 99522 102141 104481 118534 120042 123093 123201 141426 142974 143754 144666 147537 148473 149283 150917 173242 173394 177801 180063 204282 208962 214461 215631 216999 246186 246402 259863 260091 295074 296946 298566 301834 306423 311467 313443 355602 360126 369279 428922 431262 433998 442611 445419 447849 452751 519726 520182 533403 612846 622934 626886 643383 646893 650997 738558 770471 779589 780273 885222 890838 895698 905502 919269 934401 940329 1066806 1107837 1126073 1286766 1293786 1301994 1327833 1343547 1358253 1540942 1559178 1560546 1600209 1838538 1868802 1880658 1930149 1940679 2215674 2252146 2311413 2338767 2340819 2655666 2687094 2716506 2803203 2820987 3200418 3323511 3378219 3860298 3881358 3983499 4074759 4622826 4677534 4681638 4800627 5606406 5641974 5790447 5822037 6647022 6756438 6934239 7016301 7966998 8149518 8409609 8462961 9601254 10134657 11580894 11644074 11950497 12224277 13868478 14032602 14401881 14638949 16819218 16925922 17466111 20269314 20802717 21048903 23900994 24448554 25228827 28803762 29277898 30403971 34932222 36672831 41605434 42097806 43205643 43916847 50457654 60807942 62408151 63146709 73345662 75686481 86411286 87833694 91211913 110018493 124816302 126293418 131750541 151372962 182423826 187224453 220036986 227059443 263501082 273635739 374448906 395251623 454118886 547271478 561673359 790503246 820907217 1123346718 1185754869 1641814434 2371509738 3557264607 7114529214 10671793821 21343587642
- Sum of all divisors σ(n): 56453362560
- Sum of proper divisors (its aliquot sum) s(n): 35109774918
- 21343587642 is an abundant number, because the sum of its proper divisors (35109774918) is greater than itself. Its abundance is 13766187276
Bases of 21343587642
- Binary: 100111110000010110101001101001110102
- Hexadecimal: 0x4F82D4D3A
- Base-36: 9SZF5MI
Squares and roots of 21343587642
- 21343587642 squared (213435876422) is 455548733431735120164
- 21343587642 cubed (213435876423) is 9723044317202333961349735413288
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The
square root of 21343587642 is 146094.4476768367 -
The
cube root of 21343587642 is 2773.8893975057
Scales and comparisons
How big is 21343587642?- 21,343,587,642 seconds is equal to 678 years, 34 weeks, 2 days, 6 hours, 20 minutes, 42 seconds.
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To count from 1 to 21,343,587,642 would take you about one thousand, three hundred fifty-seven 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 21343587642 cubic inches would be around 231.2 feet tall.
Recreational maths with 21343587642
- 21343587642 backwards is 24678534312
- The number of decimal digits it has is: 11
- The sum of 21343587642's digits is 45
- More coming soon!
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