21440678490
21,440,678,490 is an even composite number composed of eight prime numbers multiplied together.
21440678490 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21440678490:
2 × 32 × 5 × 7 × 112 × 31 × 43 × 211
(2 × 3 × 3 × 5 × 7 × 11 × 11 × 31 × 43 × 211)See below for interesting mathematical facts about the number 21440678490 from the Numbermatics database.
Names of 21440678490
- Cardinal: 21440678490 can be written as Twenty-one billion, four hundred forty million, six hundred seventy-eight thousand, four hundred ninety.
Scientific notation
- Scientific notation: 2.144067849 × 1010
Factors of 21440678490
Divisors of 21440678490
- Number of divisors d(n): 576
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Complete list of divisors:
1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 31 33 35 42 43 45 55 62 63 66 70 77 86 90 93 99 105 110 121 126 129 154 155 165 186 198 210 211 215 217 231 242 258 279 301 310 315 330 341 363 385 387 422 430 434 462 465 473 495 558 602 605 630 633 645 651 682 693 726 770 774 847 903 930 946 990 1023 1055 1085 1089 1155 1210 1266 1290 1302 1333 1386 1395 1419 1477 1505 1694 1705 1806 1815 1899 1935 1953 2046 2110 2170 2178 2310 2321 2365 2387 2541 2666 2709 2790 2838 2954 3010 3069 3165 3255 3311 3410 3465 3630 3751 3798 3870 3906 3999 4235 4257 4431 4515 4642 4730 4774 5082 5115 5203 5418 5445 6138 6330 6510 6541 6622 6665 6930 6963 7095 7161 7385 7502 7623 7998 8470 8514 8862 9030 9073 9331 9495 9765 9933 10230 10406 10890 11253 11605 11935 11997 12705 13082 13293 13330 13545 13926 14190 14322 14663 14770 15246 15345 15609 16247 16555 18146 18662 18755 18990 19530 19623 19866 19995 20889 21285 21483 22155 22506 23210 23870 23994 25410 25531 26015 26257 26586 27090 27219 27993 29326 29799 30690 31218 32494 32705 33110 33759 34815 35805 36421 37510 38115 39246 39990 41778 42570 42966 43989 44310 45365 45787 46655 46827 48741 49665 51062 52030 52514 54438 55986 56265 58869 59598 59985 63511 65410 66465 67518 69630 71610 71951 72842 73315 76230 76593 78045 78771 81235 81657 83979 87978 90730 91574 93310 93654 97482 98115 99330 99803 102641 104445 107415 109263 112530 117738 119970 127022 127655 131285 131967 132930 136095 137361 139965 143902 146223 146630 148995 153186 156090 157542 161293 162470 163314 167958 168795 178717 182105 190533 196230 199606 205282 208890 214830 215853 218526 219945 228935 229779 234135 236313 243705 255310 262570 263934 272190 274722 279930 281263 292446 294345 297990 299409 307923 317555 322586 327789 337590 357434 359755 364210 381066 382965 393855 408285 412083 419895 431706 439890 457870 459558 468270 472626 483879 487410 499015 503657 513205 536151 546315 562526 571599 588690 598818 615846 635110 647559 655578 659835 686805 698621 719510 731115 765930 787710 791461 806465 816570 824166 839790 843789 893585 898227 923769 952665 967758 998030 1007314 1026410 1072302 1079265 1092630 1097833 1129051 1143198 1148895 1181565 1295118 1319670 1373610 1397242 1406315 1451637 1462230 1497045 1510971 1539615 1582922 1608453 1612930 1638945 1687578 1787170 1796454 1847538 1905330 1968841 2060415 2095863 2158530 2195666 2258102 2297790 2363130 2374383 2419395 2518285 2531367 2680755 2812630 2857995 2903274 2994090 3021942 3079230 3093893 3216906 3237795 3277890 3293499 3387153 3493105 3937682 3957305 4120830 4191726 4218945 4491135 4532913 4618845 4748766 4838790 5036570 5062734 5361510 5489165 5540227 5645255 5715990 5906523 6187786 6287589 6475590 6586998 6774306 6986210 7123149 7258185 7554855 7684831 7914610 8042265 8437890 8982270 9065826 9237690 9281679 9844205 9880497 10161459 10479315 10978330 11080454 11290510 11813046 11871915 12575178 12656835 14246298 14516370 15109710 15369662 15469465 16084530 16467495 16620681 16935765 17719569 18563358 19688410 19760994 20322918 20958630 21657251 22664565 23054493 23743830 25313670 27701135 27845037 29532615 30938930 31437945 32934990 33241362 33871530 34032823 35439138 35615745 38424155 43314502 45329130 46108986 46408395 49402485 49862043 50807295 55402270 55690074 59065230 62875890 64971753 68065646 69163479 71231490 76848310 83103405 88597845 92816790 98804970 99724086 101614590 102098469 108286255 115272465 129943506 138326958 139225185 166206810 170164115 177195690 194915259 204196938 216572510 230544930 238229761 249310215 278450370 306295407 324858765 340328230 345817395 389830518 476459522 498620430 510492345 612590814 649717530 691634790 714689283 974576295 1020984690 1191148805 1429378566 1531477035 1949152590 2144067849 2382297610 3062954070 3573446415 4288135698 7146892830 10720339245 21440678490
- Sum of all divisors σ(n): 74318340096
- Sum of proper divisors (its aliquot sum) s(n): 52877661606
- 21440678490 is an abundant number, because the sum of its proper divisors (52877661606) is greater than itself. Its abundance is 31436983116
Bases of 21440678490
- Binary: 100111111011111011011001010010110102
- Hexadecimal: 0x4FDF6CA5A
- Base-36: 9UL85EI
Squares and roots of 21440678490
- 21440678490 squared (214406784902) is 459702694111548680100
- 21440678490 cubed (214406784903) is 9856337665432531446007961049000
-
The
square root of 21440678490 is 146426.3585902483 -
The
cube root of 21440678490 is 2778.0891277205
Scales and comparisons
How big is 21440678490?- 21,440,678,490 seconds is equal to 681 years, 38 weeks, 6 days, 1 minute, 30 seconds.
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To count from 1 to 21,440,678,490 would take you about one thousand, three hundred sixty-three 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 21440678490 cubic inches would be around 231.5 feet tall.
Recreational maths with 21440678490
- 21440678490 backwards is 09487604412
- 21440678490 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21440678490's digits is 45
- More coming soon!
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