20638379485209600

Names of 20638379485209600

• Cardinal: 20638379485209600 can be written as Twenty quadrillion, six hundred thirty-eight trillion, three hundred seventy-nine billion, four hundred eighty-five million, two hundred nine thousand, six hundred.

Scientific notation

• Scientific notation: 2.06383794852096 × 10¹⁶

Factors of 20638379485209600

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 8136

Divisors of 20638379485209600

• Number of divisors d(n): 891
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 37 40 45 48 50 60 64 72 74 75 80 90 96 100 111 120 128 144 148 150 160 180 185 192 200 222 225 240 256 288 296 300 320 333 360 370 384 400 444 450 480 512 555 576 592 600 640 666 720 740 768 800 888 900 925 960 1024 1110 1152 1184 1200 1280 1332 1369 1440 1480 1536 1600 1665 1776 1800 1850 1920 2220 2304 2368 2400 2560 2664 2738 2775 2880 2960 3072 3200 3330 3552 3600 3700 3840 4107 4440 4608 4736 4800 5120 5328 5476 5550 5760 5920 6400 6660 6845 7104 7200 7400 7680 8089 8214 8325 8880 9216 9472 9600 10656 10952 11100 11520 11840 12321 12800 13320 13690 14208 14400 14800 15360 16178 16428 16650 17760 18944 19200 20535 21312 21904 22200 23040 23680 24267 24642 25600 26640 27380 28416 28800 29600 32356 32856 33300 34225 35520 37888 38400 40445 41070 42624 43808 44400 46080 47360 48534 49284 53280 54760 56832 57600 59200 61605 64712 65712 66600 68450 71040 72801 76800 80890 82140 85248 87616 88800 94720 97068 98568 102675 106560 109520 113664 115200 118400 121335 123210 129424 131424 133200 136900 142080 145602 161780 164280 170496 175232 177600 189440 194136 197136 202225 205350 213120 219040 230400 236800 242670 246420 258848 262848 266400 273800 284160 291204 299293 308025 323560 328560 340992 350464 355200 364005 388272 394272 404450 410700 426240 438080 473600 485340 492840 517696 525696 532800 547600 568320 582408 598586 606675 616050 647120 657120 700928 710400 728010 776544 788544 808900 821400 852480 876160 897879 947200 970680 985680 1035392 1051392 1065600 1095200 1164816 1197172 1213350 1232100 1294240 1314240 1401856 1420800 1456020 1496465 1553088 1577088 1617800 1642800 1704960 1752320 1795758 1820025 1941360 1971360 2070784 2102784 2131200 2190400 2329632 2394344 2426700 2464200 2588480 2628480 2693637 2841600 2912040 2992930 3106176 3154176 3235600 3285600 3504640 3591516 3640050 3882720 3942720 4141568 4205568 4262400 4380800 4489395 4659264 4788688 4853400 4928400 5176960 5256960 5387274 5824080 5985860 6212352 6308352 6471200 6571200 7009280 7183032 7280100 7482325 7765440 7885440 8283136 8524800 8761600 8978790 9318528 9577376 9706800 9856800 10353920 10513920 10774548 11073841 11648160 11971720 12424704 12616704 12942400 13142400 13468185 14366064 14560200 14964650 15530880 15770880 17523200 17957580 18637056 19154752 19413600 19713600 20707840 21027840 21549096 22147682 22446975 23296320 23943440 24849408 25884800 26284800 26936370 28732128 29120400 29929300 31061760 31541760 33221523 35046400 35915160 37274112 38309504 38827200 39427200 41415680 43098192 44295364 44893950 46592640 47886880 51769600 52569600 53872740 55369205 57464256 58240800 59858600 62123520 63083520 65431921 66443046 67340925 71830320 74548224 76619008 77654400 78854400 86196384 88590728 89787900 93185280 95773760 99664569 103539200 105139200 107745480 110738410 114928512 116481600 119717200 124247040 130863842 132886092 134681850 143660640 153238016 155308800 157708800 166107615 172392768 177181456 179575800 186370560 191547520 196295763 199329138 207078400 215490960 221476820 229857024 232963200 239434400 261727684 265772184 269363700 276846025 287321280 306476032 310617600 315417600 327159605 332215230 344785536 354362912 359151600 372741120 383095040 392591526 398658276 430981920 442953640 459714048 465926400 478868800 498322845 523455368 531544368 538727400 553692050 574642560 588887289 621235200 654319210 664430460 689571072 708725824 718303200 766190080 785183052 797316552 830538075 861963840 885907280 919428096 931852800 957737600 981478815 996645690 1046910736 1063088736 1077454800 1107384100 1149285120 1177774578 1308638420 1328860920 1379142144 1417451648 1436606400 1532380160 1570366104 1594633104 1635798025 1661076150 1723927680 1771814560 1863705600 1915475200 1962957630 1993291380 2093821472 2126177472 2154909600 2214768200 2298570240 2355549156 2420981077 2491614225 2617276840 2657721840 2758284288 2834903296 2873212800 2944436445 3140732208 3189266208 3271596050 3322152300 3447855360 3543629120 3830950400 3925915260 3986582760 4187642944 4252354944 4309819200 4429536400 4597140480 4711098312 4841962154 4907394075 4983228450 5234553680 5315443680 5669806592 5746425600 5888872890 6281464416 6378532416 6543192100 6644304600 6895710720 7087258240 7262943231 7661900800 7851830520 7973165520 8375285888 8504709888 8619638400 8859072800 9422196624 9683924308 9814788150 9966456900 10469107360 10630887360 11339613184 11492851200 11777745780 12104905385 12562928832 12757064832 13086384200 13288609200 13791421440 14174516480 14525886462 14722182225 15703661040 15946331040 16750571776 17009419776 17239276800 17718145600 18844393248 19367848616 19629576300 19932913800 20938214720 21261774720 21788829693 22985702400 23555491560 24209810770 25125857664 25514129664 26172768400 26577218400 28349032960 29051772924 29444364450 31407322080 31892662080 33501143552 34018839552 34478553600 35436291200 36314716155 37688786496 38735697232 39259152600 39865827600 41876429440 42523549440 43577659386 47110983120 48419621540 50251715328 51028259328 52345536800 53154436800 56698065920 58103545848 58888728900 60524526925 62814644160 63785324160 67002287104 68957107200 70872582400 72629432310 75377572992 77471394464 78518305200 79731655200 83752858880 85047098880 87155318772 89576299849 94221966240 96839243080 100503430656 102056518656 104691073600 106308873600 108944148465 116207091696 117777457800 121049053850 125629288320 127570648320 141745164800 145258864620 150755145984 154942788928 157036610400 159463310400 167505717760 170094197760 174310637544 179152599698 181573580775 188443932480 193678486160 201006861312 209382147200 212617747200 217888296930 232414183392 235554915600 242098107700 251258576640 255141296640 268728899547 283490329600 290517729240 301510291968 309885577856 314073220800 318926620800 335011435520 348621275088 358305199396 363147161550 376887864960 387356972320 418764294400 425235494400 435776593860 447881499245 464828366784 471109831200 484196215400 502517153280 510282593280 537457799094 544720742325 581035458480 603020583936 619771155712 628146441600 637853241600 697242550176 716610398792 726294323100 753775729920 774713944640 806186698641 837528588800 850470988800 871553187720 895762998490 929656733568 942219662400 968392430800 1005034306560 1074915598188 1089441484650 1162070916960 1239542311424 1256292883200 1275706483200 1343644497735 1394485100352 1433220797584 1452588646200 1507551459840 1549427889280 1612373397282 1675057177600 1743106375440 1791525996980 1859313467136 1884439324800 1936784861600 2149831196376 2178882969300 2239407496225 2324141833920 2479084622848 2512585766400 2551412966400 2687288995470 2788970200704 2866441595168 2905177292400 3015102919680 3098855778560 3224746794564 3486212750880 3583051993960 3718626934272 3768878649600 3873569723200 4030933493205 4299662392752 4357765938600 4478814992450 4648283667840 5025171532800 5374577990940 5577940401408 5732883190336 5810354584800 6197711557120 6449493589128 6718222488675 6972425501760 7166103987920 7437253868544 7537757299200 7747139446400 8061866986410 8599324785504 8715531877200 8957629984900 9296567335680 10749155981880 11155880802816 11465766380672 11620709169600 12395423114240 12898987178256 13436444977350 13944851003520 14332207975840 15075514598400 15494278892800 16123733972820 17198649571008 17431063754400 17915259969800 18593134671360 20154667466025 21498311963760 22311761605632 22931532761344 23241418339200 25797974356512 26872889954700 27889702007040 28664415951680 30988557785600 32247467945640 34397299142016 34862127508800 35830519939600 37186269342720 40309334932050 42996623927520 45863065522688 46482836678400 51595948713024 53745779909400 55779404014080 57328831903360 61977115571200 64494935891280 68794598284032 69724255017600 71661039879200 80618669864100 85993247855040 91726131045376 92965673356800 103191897426048 107491559818800 111558808028160 114657663806720 128989871782560 137589196568064 139448510035200 143322079758400 161237339728200 171986495710080 185931346713600 206383794852096 214983119637600 229315327613440 257979743565120 275178393136128 278897020070400 286644159516800 322474679456400 343972991420160 412767589704192 429966239275200 458630655226880 515959487130240 557794040140800 573288319033600 644949358912800 687945982840320 825535179408384 859932478550400 1031918974260480 1146576638067200 1289898717825600 1375891965680640 1719864957100800 2063837948520960 2293153276134400 2579797435651200 3439729914201600 4127675897041920 5159594871302400 6879459828403200 10319189742604800 20638379485209600
• Sum of all divisors σ(n): 75955696396891857
• Sum of proper divisors (its aliquot sum) s(n): 55317316911682257
• 20638379485209600 is an abundant number, because the sum of its proper divisors (55317316911682257) is greater than itself. Its abundance is 34678937426472657

Bases of 20638379485209600

• Binary: 1001001010100100111111100101101111101001010010000000000₂
• Hexadecimal: 0x49527F2DF4A400
• Base-36: 5N7P0NABR40

Squares and roots of 20638379485209600

• 20638379485209600 squared (20638379485209600²) is 425942707775520473905155932160000
• 20638379485209600 cubed (20638379485209600³) is 8790767242028929325391397117347516420980736000000
• 20638379485209600 is a perfect square number. Its square root is 143660640
• The cube root of 20638379485209600 is 274299.6149151765

Scales and comparisons

• 20,638,379,485,209,600 seconds is equal to 656,236,628 years, 48 weeks, 2 days, 16 hours.
• To count from 1 to 20,638,379,485,209,600 would take you about one billion, nine hundred sixty-eight million, seven hundred nine thousand, eight hundred eighty-six 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 20638379485209600 cubic inches would be around 22858.3 feet tall.

Recreational maths with 20638379485209600

• 20638379485209600 backwards is 00690258497383602
• 20638379485209600 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20638379485209600's digits is 72
• More coming soon!