20989909544140800

Names of 20989909544140800

• Cardinal: 20989909544140800 can be written as Twenty quadrillion, nine hundred eighty-nine trillion, nine hundred nine billion, five hundred forty-four million, one hundred forty thousand, eight hundred.

Scientific notation

• Scientific notation: 2.09899095441408 × 10¹⁶

Factors of 20989909544140800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 2860

Divisors of 20989909544140800

• Number of divisors d(n): 1224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 61 64 72 75 80 90 96 100 108 120 122 128 135 144 150 160 180 183 192 200 216 225 240 244 256 270 288 300 305 320 360 366 384 400 432 450 480 488 512 540 549 576 600 610 640 675 720 732 768 800 864 900 915 960 976 1024 1080 1098 1152 1200 1220 1280 1350 1440 1464 1525 1536 1600 1647 1728 1800 1830 1920 1952 2048 2160 2196 2304 2400 2440 2560 2700 2745 2789 2880 2928 3050 3072 3200 3294 3456 3600 3660 3840 3904 4096 4320 4392 4575 4608 4800 4880 5120 5400 5490 5578 5760 5856 6100 6144 6400 6588 6912 7200 7320 7680 7808 8192 8235 8367 8640 8784 9150 9216 9600 9760 10240 10800 10980 11156 11520 11712 12200 12288 12800 13176 13725 13824 13945 14400 14640 15360 15616 16384 16470 16734 17280 17568 18300 18432 19200 19520 20480 21600 21960 22312 23040 23424 24400 24576 25101 25600 26352 27450 27648 27890 28800 29280 30720 31232 32768 32940 33468 34560 35136 36600 36864 38400 39040 40960 41175 41835 43200 43920 44624 46080 46848 48800 49152 50202 51200 52704 54900 55296 55780 57600 58560 61440 62464 65536 65880 66936 69120 69725 70272 73200 73728 75303 76800 78080 81920 82350 83670 86400 87840 89248 92160 93696 97600 98304 100404 102400 105408 109800 110592 111560 115200 117120 122880 124928 125505 131760 133872 138240 139450 140544 146400 147456 150606 153600 156160 163840 164700 167340 170129 172800 175680 178496 184320 187392 195200 196608 200808 204800 209175 210816 219600 221184 223120 230400 234240 245760 249856 251010 263520 267744 276480 278900 281088 292800 294912 301212 307200 312320 327680 329400 334680 340258 345600 351360 356992 368640 374784 376515 390400 401616 409600 418350 421632 439200 442368 446240 460800 468480 491520 499712 502020 510387 527040 535488 552960 557800 562176 585600 589824 602424 614400 624640 627525 658800 669360 680516 691200 702720 713984 737280 749568 753030 780800 803232 819200 836700 843264 850645 878400 884736 892480 921600 936960 983040 999424 1004040 1020774 1054080 1070976 1105920 1115600 1124352 1171200 1204848 1228800 1249280 1255050 1317600 1338720 1361032 1382400 1405440 1427968 1474560 1499136 1506060 1531161 1561600 1606464 1638400 1673400 1686528 1701290 1756800 1769472 1784960 1843200 1873920 1882575 1998848 2008080 2041548 2108160 2141952 2211840 2231200 2248704 2342400 2409696 2457600 2498560 2510100 2551935 2635200 2677440 2722064 2764800 2810880 2855936 2949120 2998272 3012120 3062322 3123200 3212928 3346800 3373056 3402580 3513600 3569920 3686400 3747840 3765150 3997696 4016160 4083096 4216320 4253225 4283904 4423680 4462400 4497408 4593483 4684800 4819392 4915200 4997120 5020200 5103870 5270400 5354880 5444128 5529600 5621760 5711872 5996544 6024240 6124644 6246400 6425856 6693600 6746112 6805160 7027200 7139840 7372800 7495680 7530300 7655805 7778521 8032320 8166192 8432640 8506450 8567808 8847360 8924800 8994816 9186966 9369600 9638784 9994240 10040400 10207740 10540800 10709760 10888256 11059200 11243520 11423744 11993088 12048480 12249288 12492800 12759675 12851712 13387200 13492224 13610320 14054400 14279680 14745600 14991360 15060600 15311610 15557042 16064640 16332384 16865280 17012900 17135616 17849600 17989632 18373932 18739200 19277568 19988480 20080800 20415480 21081600 21419520 21776512 22118400 22487040 22847488 22967415 23335563 24096960 24498576 24985600 25519350 25703424 26774400 26984448 27220640 28108800 28559360 29982720 30121200 30623220 31114084 32129280 32664768 33730560 34025800 34271232 35699200 35979264 36747864 37478400 38279025 38555136 38892605 40161600 40830960 42163200 42839040 43553024 44236800 44974080 45694976 45934830 46671126 48193920 48997152 49971200 51038700 51406848 53548800 53968896 54441280 56217600 57118720 59965440 60242400 61246440 62228168 64258560 65329536 67461120 68051600 68542464 70006689 71398400 73495728 74956800 76558050 77110272 77785210 80323200 81661920 84326400 85678080 87106048 89948160 91389952 91869660 93342252 96387840 97994304 99942400 102077400 102813696 107097600 107937792 108882560 112435200 114237440 114837075 116677815 120484800 122492880 124456336 128517120 130659072 134922240 136103200 137084928 140013378 142796800 146991456 149913600 153116100 154220544 155570420 160646400 163323840 168652800 171356160 174212096 179896320 182779904 183739320 186684504 192775680 194463025 195988608 204154800 205627392 210020067 214195200 217765120 224870400 228474880 229674150 233355630 240969600 244985760 248912672 257034240 261318144 269844480 272206400 274169856 280026756 285593600 293982912 299827200 306232200 308441088 311140840 321292800 326647680 337305600 342712320 348424192 350033445 367478640 373369008 385551360 388926050 391977216 408309600 411254784 420040134 428390400 435530240 449740800 456949760 459348300 466711260 474489781 481939200 489971520 497825344 514068480 522636288 539688960 544412800 548339712 560053512 571187200 583389075 587965824 612464400 616882176 622281680 642585600 653295360 674611200 685424640 696848384 700066890 734957280 746738016 771102720 777852100 783954432 816619200 822509568 840080268 856780800 871060480 899481600 913899520 918696600 933422520 948979562 963878400 979943040 995650688 1028136960 1045272576 1050100335 1088825600 1120107024 1142374400 1166778150 1175931648 1224928800 1233764352 1244563360 1285171200 1306590720 1349222400 1370849280 1393696768 1400133780 1423469343 1469914560 1493476032 1542205440 1555704200 1567908864 1633238400 1645019136 1680160536 1713561600 1742120960 1750167225 1837393200 1866845040 1897959124 1927756800 1959886080 1991301376 2056273920 2090545152 2100200670 2177651200 2240214048 2284748800 2333556300 2351863296 2372448905 2449857600 2467528704 2489126720 2570342400 2613181440 2698444800 2741698560 2787393536 2800267560 2846938686 2939829120 2986952064 3084410880 3111408400 3135817728 3266476800 3360321072 3427123200 3484241920 3500334450 3674786400 3733690080 3795918248 3855513600 3919772160 3982602752 4112547840 4181090304 4200401340 4270408029 4355302400 4480428096 4569497600 4667112600 4703726592 4744897810 4899715200 4935057408 4978253440 5140684800 5226362880 5250501675 5574787072 5600535120 5693877372 5879658240 5973904128 6168821760 6222816800 6271635456 6532953600 6720642144 6854246400 6968483840 7000668900 7117346715 7349572800 7467380160 7591836496 7711027200 7839544320 7965205504 8225095680 8362180608 8400802680 8540816058 8710604800 8960856192 9334225200 9407453184 9489795620 9799430400 9956506880 10281369600 10452725760 10501003350 11149574144 11201070240 11387754744 11759316480 11862244525 11947808256 12337643520 12445633600 12543270912 12811224087 13065907200 13441284288 13708492800 13936967680 14001337800 14234693430 14699145600 14934760320 15183672992 15422054400 15679088640 15930411008 16724361216 16801605360 17081632116 17421209600 17921712384 18668450400 18814906368 18979591240 19598860800 19913013760 20562739200 20905451520 21002006700 21352040145 22402140480 22775509488 23518632960 23724489050 23895616512 24675287040 24891267200 25086541824 25622448174 26131814400 26882568576 27873935360 28002675600 28469386860 29398291200 29869520640 30367345984 30844108800 31358177280 31860822016 33448722432 33603210720 34163264232 34842419200 35586733575 35843424768 37336900800 37629812736 37959182480 39197721600 39826027520 41125478400 41810903040 42004013400 42704080290 44804280960 45551018976 47037265920 47448978100 47791233024 49782534400 50173083648 51244896348 52263628800 53765137152 55747870720 56005351200 56938773720 58796582400 59739041280 60734691968 61688217600 62716354560 63721644032 64056120435 67206421440 68326528464 69684838400 71173467150 71686849536 74673801600 75259625472 75918364960 78395443200 79652055040 83621806080 84008026800 85408160580 89608561920 91102037952 94074531840 94897956200 95582466048 99565068800 100346167296 102489792696 104527257600 106760200725 107530274304 112010702400 113877547440 117593164800 119478082560 121469383936 123376435200 125432709120 127443288064 128112240870 134412842880 136653056928 139369676800 142346934300 143373699072 149347603200 150519250944 151836729920 156790886400 159304110080 167243612160 168016053600 170816321160 179217123840 182204075904 188149063680 189795912400 191164932096 199130137600 204979585392 209054515200 213520401450 215060548608 224021404800 227755094880 235186329600 238956165120 242938767872 250865418240 254886576128 256224481740 268825685760 273306113856 278739353600 284693868600 286747398144 298695206400 301038501888 303673459840 313581772800 318608220160 320280602175 336032107200 341632642320 358434247680 364408151808 376298127360 379591824800 382329864192 398260275200 409959170784 418109030400 427040802900 430121097216 448042809600 455510189760 470372659200 477912330240 485877535744 501730836480 509773152256 512448963480 537651371520 546612227712 569387737200 573494796288 597390412800 607346919680 627163545600 637216440320 640561204350 672064214400 683265284640 716868495360 728816303616 752596254720 759183649600 764659728384 796520550400 819918341568 836218060800 854081605800 860242194432 896085619200 911020379520 940745318400 955824660480 971755071488 1024897926960 1075302743040 1093224455424 1138775474400 1146989592576 1194780825600 1214693839360 1254327091200 1274432880640 1281122408700 1344128428800 1366530569280 1433736990720 1457632607232 1505192509440 1518367299200 1529319456768 1593041100800 1639836683136 1708163211600 1720484388864 1792171238400 1822040759040 1881490636800 1911649320960 1943510142976 2049795853920 2150605486080 2186448910848 2277550948800 2293979185152 2389561651200 2429387678720 2508654182400 2548865761280 2562244817400 2688256857600 2733061138560 2867473981440 2915265214464 3036734598400 3186082201600 3279673366272 3416326423200 3440968777728 3584342476800 3644081518080 3762981273600 3823298641920 3887020285952 4099591707840 4301210972160 4372897821696 4555101897600 4587958370304 4779123302400 4858775357440 5124489634800 5376513715200 5466122277120 5734947962880 5830530428928 6073469196800 6372164403200 6559346732544 6832652846400 6881937555456 7168684953600 7288163036160 7525962547200 7646597283840 7774040571904 8199183415680 8602421944320 8745795643392 9110203795200 9558246604800 9717550714880 10248979269600 10753027430400 10932244554240 11469895925760 11661060857856 12146938393600 12744328806400 13118693465088 13665305692800 13763875110912 14337369907200 14576326072320 15548081143808 16398366831360 17204843888640 17491591286784 18220407590400 19116493209600 19435101429760 20497958539200 21506054860800 21864489108480 22939791851520 23322121715712 24293876787200 26237386930176 27330611385600 28674739814400 29152652144640 31096162287616 32796733662720 34409687777280 34983182573568 36440815180800 38232986419200 38870202859520 40995917078400 43012109721600 43728978216960 46644243431424 48587753574400 52474773860352 54661222771200 57349479628800 58305304289280 65593467325440 68819375554560 69966365147136 72881630361600 77740405719040 81991834156800 86024219443200 87457956433920 93288486862848 97175507148800 104949547720704 109322445542400 114698959257600 116610608578560 131186934650880 139932730294272 145763260723200 155480811438080 163983668313600 172048438886400 174915912867840 194351014297600 209899095441408 218644891084800 233221217157120 262373869301760 279865460588544 291526521446400 327967336627200 344096877772800 349831825735680 388702028595200 419798190882816 437289782169600 466442434314240 524747738603520 583053042892800 655934673254400 699663651471360 777404057190400 839596381765632 874579564339200 1049495477207040 1166106085785600 1311869346508800 1399327302942720 1749159128678400 2098990954414080 2332212171571200 2623738693017600 3498318257356800 4197981908828160 5247477386035200 6996636514713600 10494954772070400 20989909544140800
• Sum of all divisors σ(n): 78410235978547280
• Sum of proper divisors (its aliquot sum) s(n): 57420326434406480
• 20989909544140800 is an abundant number, because the sum of its proper divisors (57420326434406480) is greater than itself. Its abundance is 36430416890265680

Bases of 20989909544140800

• Binary: 1001010100100100011011000100110001111110000000000000000₂
• Hexadecimal: 0x4A9236263F0000
• Base-36: 5QOAVBR6DC0

Squares and roots of 20989909544140800

• 20989909544140800 squared (20989909544140800²) is 440576302671213046463610224640000
• 20989909544140800 cubed (20989909544140800³) is 9247656740360760561439954499809196283789312000000
• The square root of 20989909544140800 is 144878947.8983775613
• The cube root of 20989909544140800 is 275848.2219831279

Scales and comparisons

• 20,989,909,544,140,800 seconds is equal to 667,414,197 years, 23 weeks, 3 days.
• To count from 1 to 20,989,909,544,140,800 would take you about two billion, two million, two hundred forty-two thousand, five hundred ninety-two 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 20989909544140800 cubic inches would be around 22987.4 feet tall.

Recreational maths with 20989909544140800

• 20989909544140800 backwards is 00804144590998902
• 20989909544140800 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20989909544140800's digits is 72
• More coming soon!