21216831455040

Names of 21216831455040

• Cardinal: 21216831455040 can be written as Twenty-one trillion, two hundred sixteen billion, eight hundred thirty-one million, four hundred fifty-five thousand and forty.

Scientific notation

• Scientific notation: 2.121683145504 × 10¹³

Factors of 21216831455040

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 8681

Divisors of 21216831455040

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 17 20 24 26 29 30 32 34 39 40 48 51 52 58 60 64 65 68 78 80 85 87 96 102 104 116 120 130 136 145 156 160 170 174 192 195 204 208 221 232 240 255 260 272 290 312 320 340 348 377 390 408 416 421 435 442 464 480 493 510 520 544 580 624 663 680 696 754 780 816 832 842 870 884 928 960 986 1020 1040 1088 1105 1131 1160 1248 1263 1326 1360 1392 1479 1508 1560 1632 1684 1740 1768 1856 1885 1972 2040 2080 2105 2210 2262 2320 2465 2496 2526 2652 2720 2784 2958 3016 3120 3264 3315 3368 3480 3536 3770 3944 4080 4160 4210 4420 4524 4640 4930 5052 5304 5440 5473 5568 5655 5916 6032 6240 6315 6409 6630 6736 6960 7072 7157 7395 7540 7888 8160 8191 8420 8840 9048 9280 9860 10104 10608 10946 11310 11832 12064 12209 12480 12630 12818 13260 13472 13920 14144 14314 14790 15080 15776 16320 16382 16419 16840 17680 18096 19227 19720 20208 21216 21471 21892 22620 23664 24128 24418 24573 25260 25636 26520 26944 27365 27840 28628 29580 30160 31552 32045 32764 32838 33680 35360 35785 36192 36627 38454 39440 40416 40955 42432 42942 43784 45240 47328 48836 49146 50520 51272 53040 54730 57256 59160 60320 61045 64090 65528 65676 67360 70720 71570 72384 73254 76908 78880 80832 81910 82095 85884 87568 90480 93041 94656 96135 97672 98292 101040 102544 106080 106483 107355 109460 114512 118320 120640 122090 122865 128180 131056 131352 134720 139247 143140 146508 153816 157760 158717 163820 164190 171768 175136 180960 183135 186082 192270 195344 196584 202080 205088 207553 212160 212966 214710 218920 229024 236640 237539 244180 245730 256360 262112 262704 278494 279123 286280 293016 307632 317434 319449 327640 328380 343536 350272 361920 366270 372164 384540 390688 393168 404160 410176 415106 417741 425932 429420 437840 458048 465205 473280 475078 476151 488360 491460 512720 524224 525408 532415 556988 558246 572560 586032 615264 622659 634868 638898 655280 656760 687072 696235 712617 732540 744328 769080 781376 786336 793585 830212 835482 851864 858840 875680 930410 950156 952302 976720 982920 1025440 1037765 1050816 1064830 1113976 1116492 1145120 1172064 1187695 1230528 1245318 1269736 1277796 1310560 1313520 1374144 1392470 1395615 1425234 1465080 1488656 1538160 1572672 1587170 1597245 1660424 1670964 1703728 1717680 1751360 1810211 1860820 1900312 1904604 1953440 1965840 2050880 2075530 2088705 2129660 2227952 2232984 2290240 2344128 2375390 2380755 2490636 2539472 2555592 2621120 2627040 2698189 2784940 2791230 2850468 2930160 2977312 3076320 3088007 3113295 3174340 3194490 3320848 3341928 3407456 3435360 3448411 3563085 3620422 3721640 3800624 3809208 3906880 3931680 4038163 4151060 4177410 4259320 4455904 4465968 4750780 4761510 4981272 5078944 5111184 5254080 5396378 5430633 5569880 5582460 5700936 5860320 5954624 6152640 6176014 6226590 6348680 6388980 6641696 6683856 6814912 6870720 6896822 7126170 7240844 7443280 7601248 7618416 7863360 8076326 8094567 8302120 8354820 8518640 8911808 8931936 9051055 9264021 9501560 9523020 9962544 10157888 10222368 10345233 10792756 10861266 11139760 11164920 11401872 11720640 12114489 12352028 12453180 12697360 12777960 13283392 13367712 13490945 13793644 14252340 14481688 14886560 15202496 15236832 15440035 16152652 16189134 16604240 16709640 17037280 17242055 17863872 18102110 18528042 19003120 19046040 19925088 20190815 20444736 20690466 21585512 21722532 22279520 22329840 22803744 24228978 24704056 24906360 25394720 25555920 26735424 26981890 27153165 27587288 28504680 28963376 29773120 30473664 30880070 32305304 32378268 33208480 33419280 34074560 34484110 36204220 37056084 38006240 38092080 39850176 40381630 40472835 41380932 43171024 43445064 44559040 44659680 44829343 45607488 46320105 48457956 49408112 49812720 50789440 51111840 51726165 52496119 53963780 54306330 55174576 57009360 57926752 58622987 60572445 61760140 64610608 64756536 66416960 66838560 68968220 72408440 74112168 76012480 76184160 80763260 80945670 82761864 86342048 86890128 89319360 89658686 92640210 96915912 98816224 99625440 100003919 102223680 103452330 104992238 107927560 108612660 110349152 114018720 115853504 117245974 121144890 123520280 129221216 129513072 133677120 134488029 137936440 144816880 148224336 152368320 157488357 161526520 161891340 165523728 172684096 173780256 175868961 179317372 185280420 193831824 197632448 199250880 200007838 206904660 209984476 215855120 217225320 220698304 224146715 228037440 234491948 242289780 247040560 258442432 259026144 262480595 268976058 275872880 289633760 293114935 296448672 300011757 314976714 323053040 323782680 331047456 347560512 351737922 358634744 370560840 387663648 400015676 413809320 419968952 431710240 434450640 448293430 468983896 484579560 494081120 500019595 518052288 524961190 537952116 551745760 579267520 586229870 592897344 600023514 629953428 646106080 647565360 662094912 672440145 703475844 717269488 741121680 762098831 775327296 787441785 800031352 827618640 839937904 863420480 868901280 879344805 896586860 937967792 969159120 988162240 1000039190 1049922380 1075904232 1103491520 1172459740 1200047028 1259906856 1292212160 1295130720 1300050947 1344880290 1406951688 1434538976 1482243360 1500058785 1524197662 1574883570 1600062704 1655237280 1679875808 1700066623 1737802560 1758689610 1793173720 1875935584 1938318240 2000078380 2099844760 2151808464 2286296493 2344919480 2400094056 2519813712 2590261440 2600101894 2689760580 2813903376 2869077952 2964486720 3000117570 3048395324 3149767140 3200125408 3310474560 3359751616 3400133246 3517379220 3586347440 3751871168 3810494155 3876636480 3900152841 4000156760 4199689520 4303616928 4572592986 4689838960 4800188112 5039627424 5100199869 5200203788 5379521160 5627806752 6000235140 6096790648 6299534280 6400250816 6500254735 6800266492 7034758440 7172694880 7620988310 7800305682 8000313520 8399379040 8500333115 8607233856 9145185972 9379677920 9600376224 10079254848 10200399738 10400407576 10759042320 11255613504 11431482465 12000470280 12193581296 12599068560 13000509470 13600532984 14069516880 14345389760 15241976620 15600611364 16000627040 16798758080 17000666230 18290371944 18759355840 19200752448 19500764205 20400799476 20800815152 21518084640 22100866099 22862964930 24000940560 24387162592 25198137120 25500999345 26001018940 27201065968 28139033760 30483953240 31201222728 32001254080 34001332460 36580743888 39001528410 40801598952 41601630304 43036169280 44201732198 45725929860 48001881120 48774325184 50396274240 51001998690 52002037880 54402131936 56278067520 60967906480 62402445456 66302598297 68002664920 73161487776 78003056820 81603197904 83203260608 88403464396 91451859720 96003762240 102003997380 104004075760 108804263872 110504330495 121935812960 124804890912 132605196594 136005329840 146322975552 156006113640 163206395808 176806928792 182903719440 204007994760 208008151520 221008660990 243871625920 249609781824 265210393188 272010659680 312012227280 326412791616 331512991485 353613857584 365807438880 408015989520 416016303040 442017321980 530420786376 544021319360 624024454560 663025982970 707227715168 731614877760 816031979040 884034643960 1060841572752 1248048909120 1326051965940 1414455430336 1632063958080 1768069287920 2121683145504 2652103931880 3536138575840 4243366291008 5304207863760 7072277151680 10608415727520 21216831455040
• Sum of all divisors σ(n): 79659789189120
• Sum of proper divisors (its aliquot sum) s(n): 58442957734080
• 21216831455040 is an abundant number, because the sum of its proper divisors (58442957734080) is greater than itself. Its abundance is 37226126279040

Bases of 21216831455040

• Binary: 100110100101111101101101100111011111101000000₂
• Hexadecimal: 0x134BEDB3BF40
• Base-36: 7IQVLN96O

Squares and roots of 21216831455040

• 21216831455040 squared (21216831455040²) is 450153936991574763541401600
• 21216831455040 cubed (21216831455040³) is 9550840209972937670569059652208984064000
• The square root of 21216831455040 is 4606173.1898659651
• The cube root of 21216831455040 is 27683.8726103261

Scales and comparisons

• 21,216,831,455,040 seconds is equal to 674,629 years, 31 weeks, 5 days, 21 hours, 4 minutes.
• To count from 1 to 21,216,831,455,040 would take you about one million, six hundred eighty-six thousand, five hundred seventy-four 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 21216831455040 cubic inches would be around 2307 feet tall.

Recreational maths with 21216831455040

• 21216831455040 backwards is 04055413861212
• The number of decimal digits it has is: 14
• The sum of 21216831455040's digits is 42
• More coming soon!