21388565918720
21,388,565,918,720 is an even composite number composed of six prime numbers multiplied together.
21388565918720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one thousand, seven hundred sixty divisors.
Prime factorization of 21388565918720:
210 × 5 × 74 × 11 × 13 × 233
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 7 × 11 × 13 × 23 × 23 × 23)See below for interesting mathematical facts about the number 21388565918720 from the Numbermatics database.
Names of 21388565918720
- Cardinal: 21388565918720 can be written as Twenty-one trillion, three hundred eighty-eight billion, five hundred sixty-five million, nine hundred eighteen thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.138856591872 × 1013
Factors of 21388565918720
Divisors of 21388565918720
- Number of divisors d(n): 1760
-
Complete list of divisors:
1 2 4 5 7 8 10 11 13 14 16 20 22 23 26 28 32 35 40 44 46 49 52 55 56 64 65 70 77 80 88 91 92 98 104 110 112 115 128 130 140 143 154 160 161 176 182 184 196 208 220 224 230 245 253 256 260 280 286 299 308 320 322 343 352 364 368 385 392 416 440 448 455 460 490 506 512 520 529 539 560 572 598 616 637 640 644 686 704 715 728 736 770 784 805 832 880 896 910 920 980 1001 1012 1024 1040 1058 1078 1120 1127 1144 1196 1232 1265 1274 1280 1288 1372 1408 1430 1456 1472 1495 1540 1568 1610 1664 1715 1760 1771 1792 1820 1840 1960 2002 2024 2080 2093 2116 2156 2240 2254 2288 2392 2401 2464 2530 2548 2560 2576 2645 2695 2744 2816 2860 2912 2944 2990 3080 3136 3185 3220 3289 3328 3430 3520 3542 3584 3640 3680 3703 3773 3920 4004 4048 4160 4186 4232 4312 4459 4480 4508 4576 4784 4802 4928 5005 5060 5096 5120 5152 5290 5390 5488 5632 5635 5720 5819 5824 5888 5980 6160 6272 6370 6440 6578 6656 6860 6877 7007 7040 7084 7168 7280 7360 7406 7546 7840 7889 8008 8096 8320 8372 8464 8624 8855 8918 8960 9016 9152 9568 9604 9856 10010 10120 10192 10304 10465 10580 10780 10976 11264 11270 11440 11638 11648 11776 11960 12005 12167 12320 12397 12544 12740 12880 13156 13312 13720 13754 14014 14080 14168 14560 14651 14720 14812 15092 15680 15778 16016 16192 16445 16640 16744 16928 17248 17710 17836 17920 18032 18304 18515 18865 19136 19208 19712 20020 20240 20384 20608 20930 21160 21560 21952 22295 22540 22880 23023 23276 23296 23552 23920 24010 24334 24640 24794 25088 25480 25760 25921 26312 26411 27440 27508 28028 28160 28336 29095 29120 29302 29440 29624 30184 31213 31360 31556 32032 32384 32890 33280 33488 33856 34385 34496 35035 35420 35672 35840 36064 36608 37030 37730 38272 38416 39424 39445 40040 40480 40733 40768 41216 41860 42320 43120 43904 44590 45080 45760 46046 46552 46592 47840 48020 48139 48668 49049 49280 49588 50176 50960 51520 51842 52624 52822 54880 55016 55223 56056 56320 56672 58190 58240 58604 58880 59248 60368 60835 61985 62426 62720 63112 64064 64768 65780 66560 66976 67712 68770 68992 70070 70840 71344 72128 73216 73255 74060 75460 75647 76544 76832 78848 78890 80080 80960 81466 81536 82432 83720 84640 85169 86240 86779 87808 89180 90160 91520 92092 93104 93184 95680 96040 96278 97336 98098 98560 99176 101920 102557 103040 103684 105248 105644 109760 110032 110446 112112 113344 115115 116380 116480 117208 117760 118496 120736 121670 123970 124852 125440 126224 128128 129536 129605 131560 132055 133837 133952 135424 137540 137984 140140 141680 142688 144256 146432 146510 148120 150920 151294 153088 153664 156065 157780 158171 160160 161161 161920 162932 163072 164864 167440 169280 170338 172480 173558 175616 178360 180320 181447 183040 184184 186208 191360 192080 192556 194672 196196 197120 198352 203665 203840 205114 206080 207368 210496 211288 219520 220064 220892 224224 226688 230230 232760 232960 234416 236992 240695 241472 243340 245245 247940 249704 250880 252448 256256 259072 259210 263120 264110 267674 267904 270848 275080 275968 276115 280280 283360 285131 285376 288512 293020 296240 301840 302588 306176 307328 312130 315560 316342 320320 322322 323840 325864 326144 334880 336973 338560 340676 343343 344960 347116 351232 356720 360640 362894 366080 368368 372416 378235 382720 384160 385112 389344 392392 394240 396704 407330 407680 410228 412160 414736 420992 422576 425845 433895 439040 440128 441784 448448 453376 460460 465520 465920 468832 473984 481390 482944 486680 490490 495880 499408 504896 512512 512785 518420 526240 528220 529529 535348 535808 541696 550160 551936 552230 560560 566720 570262 570752 577024 586040 592480 596183 603680 605176 607453 614656 624260 631120 632684 640640 644644 647680 651728 652288 669185 669760 673946 677120 681352 686686 689920 694232 713440 717899 721280 725788 732160 736736 744832 756470 765440 768320 770224 778688 784784 790855 793408 805805 814660 815360 820456 824320 829472 841984 845152 851690 867790 878080 880256 883568 896896 906752 907235 920920 931040 936859 937664 947968 962780 965888 973360 980980 991760 998816 1009792 1025024 1025570 1036840 1052480 1056440 1059058 1070696 1071616 1100320 1104460 1107197 1121120 1128127 1133440 1140524 1141504 1154048 1172080 1184960 1192366 1207360 1210352 1214906 1229312 1248520 1262240 1265368 1270129 1281280 1289288 1295360 1303456 1338370 1339520 1347892 1354240 1362704 1373372 1379840 1388464 1425655 1426880 1435798 1442560 1451576 1473472 1489664 1512940 1530880 1536640 1540448 1557376 1569568 1581710 1586816 1611610 1629320 1630720 1640912 1658944 1683968 1684865 1690304 1703380 1716715 1735580 1739881 1756160 1760512 1767136 1793792 1813504 1814470 1841840 1862080 1873718 1875328 1895936 1925560 1931776 1946720 1961960 1983520 1995917 1997632 2019584 2051140 2073680 2104960 2112880 2118116 2141392 2143232 2200640 2208920 2214394 2242240 2256254 2266880 2281048 2283008 2344160 2358811 2369920 2384732 2414720 2420704 2429812 2458624 2497040 2524480 2530736 2540258 2562560 2578576 2606912 2647645 2676740 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7257880 7367360 7413406 7448320 7494872 7501312 7702240 7750379 7786880 7847840 7896889 7934080 7983668 7990528 8078336 8204560 8294720 8346562 8419840 8451520 8472464 8565568 8699405 8802560 8835680 8857576 8968960 9025016 9067520 9124192 9368590 9376640 9435244 9479680 9538928 9658880 9682816 9719248 9979585 9988160 10097920 10122944 10161032 10314304 10427648 10590580 10706960 10716160 10783136 10901632 10986976 11071970 11107712 11281270 11405240 11415040 11486384 11612608 11787776 11794055 11923660 12103520 12149060 12179167 12293120 12323584 12459008 12556544 12653680 12694528 12701290 12892880 13034560 13116026 13127296 13271552 13478920 13522432 13627040 13733720 13884640 13919048 13971419 14137088 14357980 14515760 14734720 14826812 14896640 14989744 15002624 15404480 15500758 15573760 15695680 15793778 15868160 15967336 15981056 16409120 16511677 16589440 16693124 16839680 16903040 16944928 17131136 17398810 17605120 17671360 17715152 17937920 18050032 18248384 18533515 18737180 18753280 18870488 18959360 19077856 19317760 19365632 19438496 19959170 19976320 20195840 20245888 20322064 20628608 20855296 20866405 21181160 21413920 21566272 21803264 21973952 22143940 22215424 22562540 22810480 22830080 22972768 23225216 23575552 23588110 23847320 24207040 24298120 24358334 24647168 25113088 25307360 25402580 25785760 25946921 26069120 26232052 26254592 26543104 26957840 27044864 27254080 27467440 27769280 27838096 27942838 28274176 28715960 29031520 29212967 29469440 29653624 29793280 29979488 30808960 31001516 31147520 31391360 31587556 31736320 31934672 31962112 32790065 32818240 33023354 33178880 33386248 33806080 33889856 34262272 34797620 35210240 35342720 35430304 35875840 36100064 36496768 37067030 37474360 37506560 37740976 38155712 38731264 38751895 38876992 39484445 39918340 39952640 40391680 40491776 40644128 41257216 41710592 41732810 42362320 42827840 43132544 43606528 43947904 44287880 44430848 45125080 45620960 45906091 45945536 46450432 47176220 47694640 48414080 48596240 48716668 49294336 50226176 50614720 50805160 51571520 51893842 52138240 52464104 52509184 53915680 54252653 54508160 54934880 55538560 55676192 55885676 56548352 57431920 58063040 58425934 58938880 59307248 59958976 60895835 61617920 62003032 62295040 62782720 63175112 63472640 63869344 65580130 65636480 66046708 66357760 66772496 67612160 67779712 68524544 69595240 69857095 70685440 70860608 72200128 72993536 74134060 74948720 75013120 75481952 76311424 77462528 77503790 77753984 78968890 79836680 79905280 80983552 81288256 82514432 82558385 83465620 84724640 85254169 85655680 86265088 87213056 87895808 88575760 88861696 90250160 91241920 91812182 91891072 92900864 94352440 95389280 96828160 97192480 97433336 101229440 101610320 103143040 103787684 104276480 104928208 105018368 107831360 108505306 109016320 109869760 111077120 111352384 111771352 114863840 116126080 116851868 117877760 118614496 119917952 121791670 123235840 124006064 125565440 126350224 127738688 129734605 131160260 131272960 132093416 132715520 133544992 135224320 135559424 137049088 139190480 139714190 141370880 141721216 144400256 145987072 146064835 148268120 149897440 150963904 152622848 155007580 155507968 157937780 159673360 159810560 161967104 162576512 165028864 165116770 166931240 169449280 170508338 171311360 172530176 175791616 177151520 180500320 181628447 182483840 183624364 183782144 185801728 188704880 190778560 193656320 194384960 194866672 202458880 203220640 206286080 207575368 208552960 209856416 215662720 217010612 218032640 219739520 222154240 222704768 223542704 229530455 229727680 232252160 233703736 237228992 239835904 243583340 246471680 248012128 251130880 252700448 255477376 259469210 262320520 262545920 264186832 267089984 271118848 271263265 278380960 279428380 282741760 283442432 288800512 291974144 292129670 296536240 299794880 301927808 305245696 310015160 311015936 315875560 319346720 321342637 325153024 330233540 333862480 338898560 341016676 342622720 345060352 351583232 354303040 361000640 363256894 364967680 367248728 367564288 377409760 379768571 381557120 387312640 388769920 389733344 404917760 406441280 412572160 415150736 419712832 426270845 431325440 434021224 436065280 439479040 444308480 445409536 447085408 459060910 459455360 464504320 467407472 474457984 479671808 487166680 496024256 505400896 510954752 518938420 524641040 525091840 528373664 534179968 542237696 542526530 556761920 558856760 566884864 577601024 584259340 593072480 596779183 599589760 603855616 610491392 620030320 622031872 631751120 638693440 642685274 650306048 660467080 667724960 677797120 682033352 685245440 708606080 722001280 726513788 729935360 734497456 735128576 754819520 759537142 763114240 777539840 779466688 809835520 812882560 825144320 830301472 839425664 852541690 862650880 868042448 878958080 890819072 894170816 908142235 918121820 918910720 929008640 934814944 948915968 959343616 974333360 992048512 1010801792 1021909504 1037876840 1049282080 1056747328 1068359936 1085053060 1113523840 1117713520 1133769728 1155202048 1168518680 1186144960 1193558366 1199179520 1207711232 1240060640 1263502240 1277386880 1285370548 1300612096 1320934160 1335449920 1355594240 1364066704 1417212160 1444002560 1453027576 1459870720 1468994912 1509639040 1519074284 1526228480 1555079680 1558933376 1606713185 1625765120 1660602944 1678851328 1705083380 1725301760 1736084896 1757916160 1781638144 1788341632 1816284470 1836243640 1837821440 1869629888 1897831936 1898842855 1948666720 1984097024 2021603584 2043819008 2075753680 2098564160 2113494656 2136719872 2170106120 2227047680 2235427040 2337037360 2372289920 2387116732 2398359040 2415422464 2480121280 2527004480 2554773760 2570741096 2641868320 2670899840 2711188480 2728133408 2834424320 2888005120 2906055152 2937989824 2983895915 3019278080 3038148568 3052456960 3110159360 3117866752 3213426370 3251530240 3321205888 3357702656 3410166760 3472169792 3576683264 3632568940 3672487280 3675642880 3739259776 3795663872 3797685710 3897333440 3968194048 4043207168 4151507360 4177454281 4197128320 4226989312 4273439744 4340212240 4454095360 4470854080 4674074720 4744579840 4774233464 4796718080 4960242560 5054008960 5109547520 5141482192 5283736640 5341799680 5456266816 5668848640 5776010240 5812110304 5875979648 5967791830 6038556160 6076297136 6235733504 6426852740 6503060480 6642411776 6715405312 6820333520 6944339584 7153366528 7265137880 7344974560 7478519552 7595371420 7794666880 7936388096 8086414336 8303014720 8354908562 8394256640 8453978624 8680424480 8908190720 8941708160 9348149440 9489159680 9548466928 9920485120 10108017920 10219095040 10282964384 10567473280 10683599360 10912533632 11624220608 11751959296 11935583660 12077112320 12152594272 12471467008 12853705480 13284823552 13640667040 13888679168 14306733056 14530275760 14689949120 14957039104 15190742840 15589333760 16606029440 16709817124 16788513280 16907957248 17360848960 17883416320 18696298880 18978319360 19096933856 19840970240 20216035840 20565928768 20887271405 21134946560 21367198720 21825067264 23248441216 23503918592 23871167320 24305188544 25707410960 26569647104 27281334080 27777358336 29060551520 29379898240 29914078208 30381485680 31178667520 33212058880 33419634248 33577026560 34721697920 35766832640 37392597760 38193867712 39681940480 40432071680 41131857536 41774542810 42269893120 43650134528 46496882432 47007837184 47742334640 48610377088 51414821920 54562668160 55554716672 58121103040 58759796480 60762971360 62357335040 66424117760 66839268496 69443395840 71533665280 74785195520 76387735424 82263715072 83549085620 84539786240 87300269056 92993764864 95484669280 97220754176 102829643840 109125336320 116242206080 117519592960 121525942720 132848235520 133678536992 138886791680 149570391040 152775470848 164527430144 167098171240 185987529728 190969338560 194441508352 205659287680 218250672640 232484412160 235039185920 243051885440 267357073984 277773583360 305550941696 329054860288 334196342480 381938677120 388883016704 411318575360 436501345280 464968824320 486103770880 534714147968 611101883392 668392684960 763877354240 822637150720 929937648640 972207541760 1069428295936 1336785369920 1527754708480 1645274301440 1944415083520 2138856591872 2673570739840 3055509416960 4277713183744 5347141479680 10694282959360 21388565918720
- Sum of all divisors σ(n): 73515445758720
- Sum of proper divisors (its aliquot sum) s(n): 52126879840000
- 21388565918720 is an abundant number, because the sum of its proper divisors (52126879840000) is greater than itself. Its abundance is 30738313921280
Bases of 21388565918720
- Binary: 1001101110011111010011101111110110100000000002
- Hexadecimal: 0x1373E9DFB400
- Base-36: 7KXRRWTFK
Squares and roots of 21388565918720
- 21388565918720 squared (213885659187202) is 457470752059430717646438400
- 21388565918720 cubed (213885659187203) is 9784643336309547099417683653031886848000
-
The
square root of 21388565918720 is 4624777.3912611189 -
The
cube root of 21388565918720 is 27758.3654323563
Scales and comparisons
How big is 21388565918720?- 21,388,565,918,720 seconds is equal to 680,090 years, 12 weeks, 2 days, 6 hours, 45 minutes, 20 seconds.
-
To count from 1 to 21,388,565,918,720 would take you about one million, seven hundred thousand, two hundred twenty-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 21388565918720 cubic inches would be around 2313.2 feet tall.
Recreational maths with 21388565918720
- 21388565918720 backwards is 02781956588312
- 21388565918720 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21388565918720's digits is 65
- More coming soon!
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"Number 21388565918720 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.
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Numbermatics. (2024). Number 21388565918720 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/21388565918720/
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The information we have on file for 21388565918720 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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