21423385784220

Names of 21423385784220

• Cardinal: 21423385784220 can be written as Twenty-one trillion, four hundred twenty-three billion, three hundred eighty-five million, seven hundred eighty-four thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.142338578422 × 10¹³

Factors of 21423385784220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 290

Divisors of 21423385784220

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 73 84 97 98 103 105 140 146 147 194 196 206 210 219 245 291 292 294 309 365 388 412 420 438 485 490 511 515 582 588 618 679 721 730 735 876 970 980 1022 1030 1095 1164 1236 1358 1442 1455 1460 1470 1533 1545 1940 2037 2044 2060 2163 2190 2555 2716 2884 2910 2940 3066 3090 3395 3577 3605 4074 4326 4380 4753 5047 5110 5820 6132 6180 6790 7081 7154 7210 7519 7665 8148 8652 9409 9506 9991 10094 10185 10220 10609 10731 10815 13580 14162 14259 14308 14420 15038 15141 15330 17885 18818 19012 19982 20188 20370 21218 21243 21462 21630 22557 23765 25235 28227 28324 28518 29973 30076 30282 30660 31827 35405 35770 37595 37636 39964 40740 42436 42486 42924 43260 45114 47045 47530 49567 49955 50470 52633 53045 53655 56454 57036 59946 60564 63654 65863 69937 70810 71295 71540 74263 75190 75705 84972 90228 94090 95060 99134 99910 100940 105266 106090 106215 107310 112785 112908 119892 127308 131726 139874 141135 141620 142590 148526 148701 149865 150380 151410 157899 159135 188180 197589 198268 199820 209811 210532 212180 212430 214620 222789 225570 247835 263165 263452 279748 282270 285180 297052 297402 299730 302820 315798 318270 329315 346969 349685 368431 371315 395178 419622 424860 445578 451140 461041 489559 495670 519841 526330 564540 594804 599460 631596 636540 658630 686857 693938 699370 729343 736862 742630 743505 774457 789495 790356 839244 891156 922082 969127 979118 987945 991340 1029073 1039682 1040907 1049055 1052660 1105293 1113945 1317260 1373714 1383123 1387876 1398740 1458686 1468677 1473724 1485260 1487010 1548914 1559523 1578990 1734845 1842155 1844164 1938254 1958236 1975890 2058146 2060571 2079364 2081814 2098110 2188029 2210586 2227890 2305205 2323371 2447795 2599205 2747428 2766246 2907381 2917372 2937354 2974020 3087219 3097828 3119046 3157980 3434285 3469690 3646715 3684310 3872285 3876508 3951780 4116292 4121142 4163628 4196220 4376058 4421172 4455780 4610410 4646742 4807999 4845635 4895590 5105401 5145365 5198410 5204535 5421199 5526465 5532492 5814762 5874708 6174438 6238092 6783889 6868570 6915615 6939380 7203511 7293430 7343385 7368620 7744570 7797615 8242284 8752116 9220820 9293484 9615998 9691270 9791180 10210802 10290730 10302855 10396820 10409070 10842398 10940145 11052930 11616855 11629524 12348876 13567778 13737140 13831230 14407022 14423997 14536905 14586860 14686770 15316203 15436095 15489140 15595230 16263597 19231996 19382540 20351667 20421604 20581460 20605710 20818140 21610533 21684796 21880290 22105860 23233710 24039995 25527005 27105995 27135556 27662460 28814044 28847994 29073810 29373540 30632406 30872190 31190460 32527194 33655993 33919445 35737807 36017555 37948393 40703334 41211420 43221066 43760580 46467420 47487223 48079990 50424577 51054010 54211990 57695988 58147620 61264812 61744380 65054388 67311986 67838890 70746271 71475614 72035110 72119985 75122329 75896786 76581015 81317985 81406668 86442132 94974446 96159980 99820081 100849154 100967979 101758335 102108020 107213421 108052665 108423980 113845179 134623972 135677780 141492542 142461669 142951228 144070220 144239970 150244658 151273731 151793572 153162030 162635970 168279965 178689035 189741965 189948892 199640162 201698308 201935958 203516670 212238813 214426842 216105330 225366987 227690358 237436115 252122885 282985084 284923338 288479940 299460243 300489316 302547462 306324060 325271940 336559930 353731355 357378070 375611645 379483930 399280324 403871916 407033340 424477626 428853684 432210660 450733974 455380716 474872230 495223897 499100405 504245770 504839895 525856303 536067105 569225895 569846676 598920486 605094924 673119860 698740567 707462710 712308345 714756140 751223290 756368655 758967860 848955252 901467948 949744460 990447794 998200810 1008491540 1009679790 1051712606 1061194065 1072134210 1126834935 1138451790 1197840972 1397481134 1414925420 1424616690 1485671691 1497301215 1502446580 1512737310 1577568909 1980895588 1996401620 2019359580 2096221701 2103425212 2122388130 2144268420 2253669870 2276903580 2476119485 2629281515 2794962268 2849233380 2971343382 2994602430 3025474620 3155137818 3466567279 3493702835 3680994121 4192443402 4244776260 4507339740 4891183969 4952238970 5258563030 5942686764 5989204860 6310275636 6933134558 6987405670 7286865913 7361988242 7428358455 7887844545 8384886804 9782367938 9904477940 10399701837 10481108505 10517126060 11042982363 13866269116 13974811340 14573731826 14673551907 14723976484 14856716910 15775689090 17332836395 18404970605 19564735876 20799403674 20962217010 21860597739 22085964726 24455919845 29147463652 29347103814 29713433820 31551378180 34665672790 36434329565 36809941210 41598807348 41924434020 43721195478 44171929452 48911839690 51008061391 51998509185 55214911815 58694207628 69331345580 72868659130 73367759535 73619882420 87442390956 97823679380 102016122782 103997018370 109302988695 110429823630 145737318260 146735519070 153024184173 204032245564 207994036740 218605977390 220859647260 255040306955 293471038140 306048368346 357056429737 437211954780 510080613910 612096736692 714112859474 765120920865 1020161227820 1071169289211 1428225718948 1530241841730 1785282148685 2142338578422 3060483683460 3570564297370 4284677156844 5355846446055 7141128594740 10711692892110 21423385784220
• Sum of all divisors σ(n): 72172285086384
• Sum of proper divisors (its aliquot sum) s(n): 50748899302164
• 21423385784220 is an abundant number, because the sum of its proper divisors (50748899302164) is greater than itself. Its abundance is 29325513517944

Bases of 21423385784220

• Binary: 100110111110000000101010011001010111110011100₂
• Hexadecimal: 0x137C054CAF9C
• Base-36: 7LDRMRDLO

Squares and roots of 21423385784220

• 21423385784220 squared (21423385784220²) is 458961458459519584401008400
• 21423385784220 cubed (21423385784220³) is 9832508384666549924787245820392807448000
• The square root of 21423385784220 is 4628540.3513656441
• The cube root of 21423385784220 is 27773.4204938441

Scales and comparisons

• 21,423,385,784,220 seconds is equal to 681,197 years, 20 weeks, 5 days, 23 hours, 37 minutes.
• To count from 1 to 21,423,385,784,220 would take you about one million, seven hundred two thousand, nine hundred ninety-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 21423385784220 cubic inches would be around 2314.5 feet tall.

Recreational maths with 21423385784220

• 21423385784220 backwards is 02248758332412
• The number of decimal digits it has is: 14
• The sum of 21423385784220's digits is 51
• More coming soon!