21189300990
21,189,300,990 is an even composite number composed of eight prime numbers multiplied together.
21189300990 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21189300990:
2 × 3 × 5 × 112 × 13 × 17 × 61 × 433
(2 × 3 × 5 × 11 × 11 × 13 × 17 × 61 × 433)See below for interesting mathematical facts about the number 21189300990 from the Numbermatics database.
Names of 21189300990
- Cardinal: 21189300990 can be written as Twenty-one billion, one hundred eighty-nine million, three hundred thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.118930099 × 1010
Factors of 21189300990
Divisors of 21189300990
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 5 6 10 11 13 15 17 22 26 30 33 34 39 51 55 61 65 66 78 85 102 110 121 122 130 143 165 170 183 187 195 221 242 255 286 305 330 363 366 374 390 429 433 442 510 561 605 610 663 671 715 726 793 858 866 915 935 1037 1105 1122 1210 1299 1326 1342 1430 1573 1586 1815 1830 1870 2013 2057 2074 2145 2165 2210 2379 2431 2598 2805 3111 3146 3315 3355 3630 3965 4026 4114 4290 4330 4719 4758 4763 4862 5185 5610 5629 6171 6222 6495 6630 6710 7293 7361 7381 7865 7930 8723 9438 9526 10065 10285 10370 11258 11407 11895 12155 12342 12990 13481 14289 14586 14722 14762 15555 15730 16887 17446 20130 20570 22083 22143 22814 23595 23790 23815 24310 26169 26413 26741 26962 28145 28578 30855 31110 33774 34221 36465 36805 36905 40443 43615 44166 44286 47190 47630 52338 52393 52826 53482 56290 57035 61710 61919 67405 68442 71445 72930 73610 73810 79239 80223 80886 80971 84435 87230 95693 95953 104786 110415 110715 114070 123838 125477 130845 132065 133705 134810 142890 148291 157179 158478 160446 161942 168870 171105 185757 191386 191906 202215 220830 221430 242913 250954 261690 261965 264130 267410 287079 287859 290543 296582 309595 314358 342210 343369 371514 376431 396195 401115 404430 404855 444873 449021 478465 479765 485826 523930 574158 575718 581086 619190 627385 681109 686738 741455 752862 785895 792390 802230 809710 871629 889746 890681 898042 928785 956930 959530 1030107 1052623 1214565 1254770 1347063 1362218 1435395 1439295 1452715 1482910 1571790 1631201 1716845 1743258 1781362 1857570 1882155 2043327 2060214 2105246 2224365 2245105 2429130 2672043 2694126 2870790 2878590 2905430 3157869 3195973 3262402 3405545 3433690 3764310 3777059 4086654 4358145 4448730 4453405 4490210 4893603 4939231 5150535 5263115 5344086 5837273 6315738 6391946 6735315 6811090 7554118 8156005 8716290 8906810 9587919 9787206 9878462 10216635 10301070 10526230 11331177 11578853 11674546 13360215 13470630 14817693 15789345 15979865 16312010 17511819 18885295 19175838 20433270 22662354 23157706 24468015 24696155 26720430 29186365 29635386 31578690 31959730 34736559 35023638 37770590 41547649 47939595 48936030 49392310 54331541 56655885 57894265 58372730 64210003 69473118 74088465 83095298 87559095 95879190 108663082 113311770 115788530 124642947 128420006 148176930 162994623 173682795 175118190 192630009 207738245 249285894 271657705 321050015 325989246 347365590 385260018 415476490 543315410 623214735 642100030 706310033 814973115 963150045 1246429470 1412620066 1629946230 1926300090 2118930099 3531550165 4237860198 7063100330 10594650495 21189300990
- Sum of all divisors σ(n): 64933094016
- Sum of proper divisors (its aliquot sum) s(n): 43743793026
- 21189300990 is an abundant number, because the sum of its proper divisors (43743793026) is greater than itself. Its abundance is 22554492036
Bases of 21189300990
- Binary: 100111011101111101100010010111111102
- Hexadecimal: 0x4EEFB12FE
- Base-36: 9QFK9A6
Squares and roots of 21189300990
- 21189300990 squared (211893009902) is 448986476444814980100
- 21189300990 cubed (211893009903) is 9513709589828729738199760299000
-
The
square root of 21189300990 is 145565.4525977919 -
The
cube root of 21189300990 is 2767.1893445331
Scales and comparisons
How big is 21189300990?- 21,189,300,990 seconds is equal to 673 years, 39 weeks, 1 day, 12 hours, 56 minutes, 30 seconds.
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To count from 1 to 21,189,300,990 would take you about one thousand, three hundred forty-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 21189300990 cubic inches would be around 230.6 feet tall.
Recreational maths with 21189300990
- 21189300990 backwards is 09900398112
- The number of decimal digits it has is: 11
- The sum of 21189300990's digits is 42
- More coming soon!
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The information we have on file for 21189300990 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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