21310394490
21,310,394,490 is an even composite number composed of seven prime numbers multiplied together.
21310394490 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred forty divisors.
Prime factorization of 21310394490:
2 × 34 × 5 × 73 × 11 × 19 × 367
(2 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 11 × 19 × 367)See below for interesting mathematical facts about the number 21310394490 from the Numbermatics database.
Names of 21310394490
- Cardinal: 21310394490 can be written as Twenty-one billion, three hundred ten million, three hundred ninety-four thousand, four hundred ninety.
Scientific notation
- Scientific notation: 2.131039449 × 1010
Factors of 21310394490
Divisors of 21310394490
- Number of divisors d(n): 640
-
Complete list of divisors:
1 2 3 5 6 7 9 10 11 14 15 18 19 21 22 27 30 33 35 38 42 45 49 54 55 57 63 66 70 77 81 90 95 98 99 105 110 114 126 133 135 147 154 162 165 171 189 190 198 209 210 231 245 266 270 285 294 297 315 330 342 343 367 378 385 399 405 418 441 462 490 495 513 539 567 570 594 627 630 665 686 693 734 735 770 798 810 855 882 891 931 945 990 1026 1029 1045 1078 1101 1134 1155 1197 1254 1323 1330 1386 1463 1470 1485 1539 1617 1710 1715 1782 1835 1862 1881 1890 1995 2058 2079 2090 2202 2205 2310 2394 2565 2569 2646 2695 2793 2835 2926 2970 3078 3087 3135 3234 3303 3430 3465 3591 3670 3762 3773 3969 3990 4037 4158 4389 4410 4455 4655 4851 5130 5138 5145 5390 5505 5586 5643 5670 5985 6174 6237 6270 6517 6606 6615 6930 6973 7182 7315 7546 7695 7707 7938 8074 8085 8379 8778 8910 9261 9310 9405 9702 9909 10241 10290 10395 10773 11010 11286 11319 11970 12111 12474 12845 13034 13167 13230 13946 13965 14553 14630 15390 15414 15435 16170 16515 16758 16929 17955 17983 18522 18810 18865 19551 19818 19845 20185 20482 20790 20919 21546 21945 22638 23121 24222 24255 25137 25690 26334 27783 27930 28215 28259 29106 29727 30723 30870 31185 32585 33030 33858 33957 34865 35910 35966 36333 37730 38535 39102 39501 39690 40370 41838 41895 43659 43890 46242 46305 48510 48811 49545 50274 51205 53865 53949 55566 56430 56518 56595 58653 59454 60555 61446 62370 62757 65170 65835 67914 69363 69730 71687 72666 72765 75411 76703 77070 79002 83790 84645 84777 87318 89915 92169 92610 97622 97755 99090 101871 102410 104595 107730 107898 108999 113190 115605 117306 118503 121110 125514 125685 125881 131670 138726 138915 141295 143374 145530 146433 148635 150822 153406 153615 161847 169290 169554 169785 175959 179830 181665 184338 188271 195510 197505 197813 203742 208089 209190 215061 217998 218295 230109 231210 237006 244055 251370 251762 254331 269745 276507 277830 282590 292866 293265 297270 305613 307230 313785 323694 326997 339570 341677 346815 351918 358435 363330 376542 377055 377643 383515 395010 395626 416178 423885 430122 436590 439299 460218 460845 485541 488110 508662 509355 527877 536921 539490 544995 553014 564813 586530 592515 593439 611226 627570 629405 645183 653994 683354 690327 693630 716870 732165 754110 755286 762993 767030 809235 829521 847770 878598 879795 921690 941355 971082 989065 1018710 1025031 1040445 1055754 1073842 1075305 1089990 1129626 1132929 1150545 1185030 1186878 1258810 1271655 1290366 1317897 1380654 1382535 1384691 1456623 1464330 1525986 1528065 1610763 1618470 1634985 1659042 1708385 1759590 1780317 1882710 1888215 1935549 1978130 2050062 2070981 2080890 2150610 2196495 2265858 2288979 2301090 2391739 2427705 2543310 2635794 2639385 2684605 2765070 2769382 2824065 2913246 2967195 3056130 3075093 3221526 3225915 3269970 3398787 3416770 3451635 3560634 3758447 3776430 3814965 3871098 3953691 4141962 4147605 4154073 4392990 4577958 4783478 4832289 4855410 5125155 5278770 5340951 5369210 5648130 5664645 5806647 5934390 6150186 6212943 6451830 6589485 6797574 6903270 6923455 7175217 7283115 7516894 7629930 7907382 8053815 8295210 8308146 8901585 9225279 9664578 9677745 10196361 10250310 10354905 10681902 11275341 11329290 11444895 11613294 11958695 12425886 12462219 13178970 13846910 14350434 14496867 14566230 15375465 16022853 16107630 16993935 17803170 18450558 18792235 19355490 19768455 20392722 20709810 20770365 21525651 22550682 22889790 23917390 24161445 24924438 26309129 26704755 27675837 28993734 29033235 30750930 31064715 32045706 33826023 33987870 35876085 37386657 37584470 39536910 41540730 43051302 43490601 46126395 48322890 50981805 52618258 53409510 55351674 56376705 58066470 62129430 62311095 64576953 67652046 71752170 72484335 74773314 78927387 80114265 86981202 92252790 101478069 101963610 107628255 112159971 112753410 124622190 129153906 131545645 138379185 144968670 157854774 160228530 169130115 186933285 193730859 202956138 215256510 217453005 224319942 236782161 263091290 276758370 304434207 322884765 338260230 373866570 387461718 394636935 434906010 473564322 507390345 560799855 608868414 645769530 710346483 789273870 968654295 1014780690 1121599710 1183910805 1420692966 1522171035 1937308590 2131039449 2367821610 3044342070 3551732415 4262078898 7103464830 10655197245 21310394490
- Sum of all divisors σ(n): 76944384000
- Sum of proper divisors (its aliquot sum) s(n): 55633989510
- 21310394490 is an abundant number, because the sum of its proper divisors (55633989510) is greater than itself. Its abundance is 34323595020
Bases of 21310394490
- Binary: 100111101100011001011010000011110102
- Hexadecimal: 0x4F632D07A
- Base-36: 9SFNPMI
Squares and roots of 21310394490
- 21310394490 squared (213103944902) is 454132913319422360100
- 21310394490 cubed (213103944903) is 9677751533729865872657835849000
-
The
square root of 21310394490 is 145980.8017857143 -
The
cube root of 21310394490 is 2772.4506842975
Scales and comparisons
How big is 21310394490?- 21,310,394,490 seconds is equal to 677 years, 31 weeks, 3 days, 2 hours, 1 minute, 30 seconds.
-
To count from 1 to 21,310,394,490 would take you about one thousand, three hundred fifty-five 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 21310394490 cubic inches would be around 231 feet tall.
Recreational maths with 21310394490
- 21310394490 backwards is 09449301312
- The number of decimal digits it has is: 11
- The sum of 21310394490's digits is 36
- More coming soon!
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The information we have on file for 21310394490 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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