21818914689000

Names of 21818914689000

• Cardinal: 21818914689000 can be written as Twenty-one trillion, eight hundred eighteen billion, nine hundred fourteen million, six hundred eighty-nine thousand.

Scientific notation

• Scientific notation: 2.1818914689 × 10¹³

Factors of 21818914689000

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 6667

Divisors of 21818914689000

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 19 20 22 24 25 26 30 33 37 38 39 40 44 50 52 55 57 60 65 66 74 75 76 78 88 95 100 104 110 111 114 120 121 125 130 132 143 148 150 152 156 165 185 190 195 200 209 220 222 228 242 247 250 260 264 275 285 286 296 300 312 325 330 363 370 375 380 390 407 418 429 440 444 456 475 481 484 494 500 520 550 555 570 572 600 605 627 650 660 703 715 726 740 741 750 760 780 814 825 836 858 888 925 950 962 968 975 988 1000 1045 1100 1110 1140 1144 1210 1221 1235 1254 1300 1320 1375 1406 1425 1430 1443 1452 1480 1482 1500 1560 1573 1625 1628 1650 1672 1716 1815 1850 1900 1924 1950 1976 2035 2090 2109 2145 2200 2220 2280 2299 2375 2405 2420 2442 2470 2508 2600 2717 2750 2775 2812 2850 2860 2886 2904 2964 3000 3025 3135 3146 3250 3256 3300 3432 3515 3575 3630 3700 3705 3800 3848 3900 4070 4125 4180 4218 4290 4440 4477 4598 4625 4719 4750 4810 4840 4875 4884 4940 5016 5225 5291 5434 5500 5550 5624 5700 5720 5772 5928 6050 6105 6175 6270 6292 6500 6577 6600 6897 7030 7125 7150 7215 7260 7400 7410 7733 7800 7865 8140 8151 8250 8360 8436 8580 8954 9075 9139 9196 9250 9438 9500 9620 9750 9768 9880 10175 10450 10545 10582 10725 10868 11000 11100 11400 11495 11544 12025 12100 12210 12350 12540 12584 13000 13154 13431 13585 13794 13875 14060 14250 14300 14430 14520 14820 15125 15466 15675 15730 15873 16280 16302 16500 16872 17160 17575 17875 17908 18150 18278 18392 18500 18525 18876 19000 19240 19500 19731 20350 20900 21090 21164 21450 21736 22200 22385 22990 23199 23595 24050 24200 24420 24700 25080 26125 26308 26455 26862 27170 27417 27588 27750 28120 28500 28600 28860 29640 29887 30250 30525 30875 30932 31350 31460 31746 32604 32885 33000 34485 35150 35750 35816 36075 36300 36556 37000 37050 37752 38665 39000 39325 39462 40700 40755 41800 42180 42328 42900 44770 45375 45695 45980 46398 47190 48100 48840 49400 50875 52250 52616 52725 52910 53625 53724 54340 54834 55176 55500 57000 57475 57720 58201 59774 60125 60500 61050 61750 61864 62700 62920 63492 65208 65770 67155 67925 68970 70300 71500 72150 72347 72600 73112 74100 77330 78375 78650 78924 79365 81400 81510 84360 85063 85501 85800 87875 89540 89661 90750 91390 91960 92625 92796 94380 96200 98655 100529 101750 104500 105450 105820 107250 107448 108680 109668 111000 111925 114950 115995 116402 117975 119548 120250 121000 122100 123500 124963 125400 126984 131540 132275 134310 135850 137085 137940 140600 143000 144300 144694 148200 149435 152625 154660 156750 157300 157848 158730 163020 164425 170126 171002 172425 174603 175750 179080 179322 180375 181500 182780 185250 185592 188760 193325 196625 197310 201058 203500 203775 209000 210900 211640 214500 217041 219336 223850 228475 229900 231990 232804 235950 239096 240500 243349 244200 247000 249926 255189 256503 263080 263625 264550 268620 271700 274170 275880 287375 288600 289388 291005 298870 301587 305250 309320 313500 314600 317460 326040 328850 335775 339625 340252 342004 344850 349206 351500 358644 360750 361735 363000 365560 370500 374889 386650 393250 394620 396825 402116 407000 407550 421800 425315 427505 429000 434082 447700 448305 456950 459800 463980 465608 471900 481000 486698 493275 499852 502645 510378 513006 527250 529100 537240 543400 548340 559625 574750 578776 579975 582010 589875 597740 603174 610500 624815 627000 634920 657700 661375 671550 679250 680504 684008 685425 689700 698412 703000 717288 721500 723470 730047 741000 747175 749778 773300 786500 789240 793650 795817 804232 815100 822125 850630 855010 862125 868164 873015 895400 896610 913900 927960 940511 943800 966625 973396 986550 999704 1005290 1018875 1020756 1026012 1054500 1058200 1085205 1096680 1105819 1119250 1142375 1149500 1159950 1164020 1179750 1195480 1206348 1216745 1221000 1249630 1275945 1282515 1315400 1322750 1343100 1358500 1370850 1374593 1379400 1396824 1443000 1446940 1455025 1460094 1494350 1499556 1507935 1546600 1573000 1587300 1591634 1624519 1630200 1644250 1678875 1701260 1710020 1724250 1736328 1746030 1793220 1808675 1827800 1874445 1881022 1933250 1946792 1973100 1984125 2010580 2037750 2041512 2052024 2109000 2126575 2137525 2170410 2211638 2238500 2241525 2284750 2299000 2319900 2328040 2359500 2387451 2412696 2433490 2466375 2499260 2513225 2551890 2565030 2645500 2676839 2686200 2717000 2741700 2749186 2821533 2893880 2899875 2910050 2920188 2988700 2999112 3015870 3124075 3163537 3174600 3183268 3249038 3288500 3317457 3357750 3402520 3420040 3427125 3448500 3492060 3586440 3617350 3650235 3735875 3748890 3762044 3866500 3946200 3968250 3979085 4021160 4075500 4123779 4253150 4275050 4340820 4365075 4423276 4477000 4483050 4569500 4623631 4639800 4702555 4719000 4774902 4866980 4873557 4932750 4998520 5026450 5103780 5130060 5291000 5353678 5426025 5483400 5498372 5529095 5643066 5799750 5820100 5840376 5977400 6031740 6083725 6248150 6327074 6366536 6379725 6412575 6498076 6577000 6634914 6715500 6854250 6872965 6897000 6984120 7234700 7275125 7300470 7471750 7497780 7524088 7539675 7733000 7936500 7958170 8030517 8122595 8151000 8247558 8506300 8550100 8681640 8730150 8846552 8966100 9043375 9139000 9247262 9372225 9405110 9490611 9549804 9733960 9747114 9865500 10052900 10207560 10260120 10345621 10632875 10687625 10707356 10852050 10996744 11058190 11207625 11286132 11599500 11640200 11937255 12063480 12167450 12496300 12566125 12654148 12759450 12825150 12996152 13269828 13384195 13431000 13708500 13745930 13870893 14107665 14469400 14550250 14600940 14943500 14995560 15079350 15120523 15620375 15817685 15873000 15916340 16061034 16245190 16495116 16587285 17012600 17100200 17460300 17869709 17932200 18086750 18251175 18494524 18744450 18810220 18981222 19099608 19494228 19731000 19895425 20105800 20618895 20691242 21265750 21375250 21414712 21704100 21825375 22116380 22415250 22572264 23118155 23199000 23512775 23874510 24334900 24367785 24992600 25132250 25308296 25518900 25650300 26539656 26768390 27130125 27417000 27491860 27645475 27741786 28215330 29100500 29201880 29445229 29887000 30158700 30241046 30418625 31036863 31240750 31635370 31832680 31898625 32062875 32122068 32490380 32990232 33174570 34364825 34798907 34920600 35739418 36173500 36502350 36989048 37488900 37620440 37698375 37962444 38988456 39790850 40152585 40612975 41237790 41382484 42531500 42750500 43408200 43650750 44232760 44830500 45361569 46236310 46861125 47025550 47453055 47749020 48669800 48735570 50264500 50859941 51037800 51300600 51728105 53536780 53609127 54260250 54983720 55290950 55483572 56430660 58201000 58890458 59686275 60107203 60317400 60482092 60837250 62073726 62481500 63270740 63797250 64125750 64244136 64980760 66349140 66920975 68729650 69354465 69597814 70538325 71478836 72347000 73004700 74977800 75396750 75602615 75924888 79088425 79581700 80305170 81225950 82475580 82764968 82936425 85063000 85501000 87301500 88335687 89348545 89661000 90723138 91255875 92472620 93722250 94051100 94906110 95498040 97471140 99477125 100529000 101719882 103094475 103456210 104396721 107073560 107218254 108520500 110581900 110967144 112861320 115590775 117563875 117780916 119372550 120214406 120964184 121674500 121838925 124147452 124963000 126541480 127594500 128251500 132698280 133841950 137459300 138227375 138708930 139195628 141076650 142957672 146009400 147226145 150793500 151205230 152579823 155184315 158176850 159163400 160610340 162451900 164951160 165872850 171824125 173994535 174603000 176671374 178697090 180321609 181446276 182511750 184945240 187444500 188102200 189812220 194942280 196566799 198954250 200762925 203064875 203439764 206188950 206912420 208793442 214436508 217041000 221163800 226807845 231181550 235127750 235561832 237265275 238745100 240428812 243349000 243677850 248294904 254299705 255189000 256503000 258640525 267683900 268045635 274918600 276454750 277417860 278391256 282153300 294452290 298431375 300536015 301587000 302410460 305159646 310368630 316353700 321220680 324903800 331745700 334604875 343648250 346772325 347989070 352691625 353342748 357394180 360643218 362892552 365023500 374889000 378013075 379624440 382787977 393133598 395442125 397908500 401525850 406129750 406879528 412377900 413824840 414682125 417586884 428873016 441678435 446742725 453615690 462363100 470255500 474530550 477490200 480857624 487355700 508599410 515472375 517281050 521983605 535367800 536091270 552909500 554835720 559459351 564306600 577953875 588904580 589700397 596862750 601072030 604820920 609194625 610319292 620737260 632707400 661179233 663491400 669209750 687296500 693544650 695978140 705383250 706685496 714788360 721286436 730047000 736130725 756026150 762899115 765575954 775921575 786267196 790884250 795817000 803051700 812259500 824755800 829364250 835173768 869972675 883356870 893485450 901608045 907231380 924726200 940511000 949061100 974711400 982833995 1003814625 1017198820 1030944750 1034562100 1043967210 1072182540 1105819000 1118918702 1134039225 1148363931 1155907750 1177809160 1179400794 1186326375 1193725500 1202144060 1218389250 1220638584 1241474520 1271498525 1293202625 1322358466 1338419500 1340228175 1374593000 1387089300 1391956280 1410766500 1442572872 1472261450 1502680075 1512052300 1525798230 1531151908 1551843150 1572534392 1581768500 1606103400 1624519000 1658728500 1678378053 1733861625 1739945350 1766713740 1786970900 1803216090 1814462760 1890065375 1898122200 1913939885 1965667990 1983537699 2007629250 2034397640 2061889500 2069124200 2087934420 2144365080 2208392175 2233713625 2237837404 2268078450 2296727862 2311815500 2358801588 2372652750 2387451000 2404288120 2436778500 2542997050 2586405250 2609918025 2644716932 2676839000 2680456350 2774178600 2797296755 2821533000 2944522900 2948501985 3005360150 3024104600 3051596460 3062303816 3103686300 3163537000 3305896165 3317457000 3356756106 3467723250 3479890700 3533427480 3573941800 3606432180 3680653625 3780130750 3814495575 3827879770 3879607875 3931335980 3967075398 4015258500 4123779000 4175868840 4349863375 4416784350 4467427250 4475674808 4508040225 4536156900 4593455724 4623631000 4717603176 4745305500 4873557000 4914169975 5085994100 5172810500 5219836050 5289433864 5360912700 5594593510 5670196125 5741819655 5889045800 5897003970 6010720300 6103192920 6207372600 6357492625 6611792330 6701140875 6713512212 6935446500 6959781400 7212864360 7272971563 7361307250 7513400375 7560261500 7628991150 7655759540 7759215750 7862671960 7934150796 8030517000 8391890265 8699726750 8833568700 8934854500 9016080450 9072313800 9186911448 9490611000 9569699425 9828339950 9917688495 10171988200 10345621000 10439672100 10721825400 11041960875 11189187020 11340392250 11483639310 11794007940 12021440600 12714985250 13049590125 13223584660 13402281750 13427024424 13870893000 13986483775 14545943126 14722614500 14742509925 15026800750 15120523000 15257982300 15311519080 15518431500 15868301592 16529480825 16783780530 17399453500 17667137400 17869709000 18032160900 19072477875 19139398850 19656679900 19835376990 20879344200 21818914689 22083921750 22378374040 22540201125 22680784500 22967278620 23588015880 24570849875 25429970500 26099180250 26447169320 26804563500 27972967550 28709098275 29091886252 29445229000 29485019850 30053601500 30515964600 31036863000 33058961650 33567561060 34798907000 36064321800 36364857815 38144955750 38278797700 39313359800 39670753980 41959451325 43637829378 44167843500 45080402250 45361569000 45934557240 47848497125 49141699750 49588442475 50859941000 52198360500 53609127000 55945935100 57418196550 58183772504 58970039700 60107203000 66117923300 67135122120 69932418875 72729715630 73712549625 76289911500 76557595400 79341507960 82647404125 83918902650 87275658756 88335687000 90160804500 95696994250 98283399500 99176884950 104396721000 109094573445 111891870200 114836393100 117940079400 132235846600 139864837750 143545491375 145459431260 147425099250 152579823000 165294808250 167837805300 174551317512 180321609000 181824289075 191393988500 196566799000 198353769900 209797256625 218189146890 229672786200 247942212375 279729675500 287090982750 290918862520 294850198500 330589616500 335675610600 363648578150 382787977000 396707539800 419594513250 436378293780 495884424750 545472867225 559459351000 574181965500 589700397000 661179233000 727297156300 839189026500 872756587560 909121445375 991768849500 1090945734450 1148363931000 1454594312600 1678378053000 1818242890750 1983537699000 2181891468900 2727364336125 3636485781500 4363782937800 5454728672250 7272971563000 10909457344500 21818914689000
• Sum of all divisors σ(n): 87129051609600
• Sum of proper divisors (its aliquot sum) s(n): 65310136920600
• 21818914689000 is an abundant number, because the sum of its proper divisors (65310136920600) is greater than itself. Its abundance is 43491222231600

Bases of 21818914689000

• Binary: 100111101100000011100101010001100111111101000₂
• Hexadecimal: 0x13D81CA8CFE8
• Base-36: 7QFGYGHRC

Squares and roots of 21818914689000

• 21818914689000 squared (21818914689000²) is 476065038205859966721000000
• 21818914689000 cubed (21818914689000³) is 10387222455029184233765878064769000000000
• The square root of 21818914689000 is 4671072.1134446211
• The cube root of 21818914689000 is 27943.3013748329

Scales and comparisons

• 21,818,914,689,000 seconds is equal to 693,773 years, 51 weeks, 5 days, 19 hours, 50 minutes.
• To count from 1 to 21,818,914,689,000 would take you about one million, seven hundred thirty-four thousand, four hundred thirty-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 21818914689000 cubic inches would be around 2328.6 feet tall.

Recreational maths with 21818914689000

• 21818914689000 backwards is 00098641981812
• 21818914689000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21818914689000's digits is 57
• More coming soon!