18081214448921008

Names of 18081214448921008

• Cardinal: 18081214448921008 can be written as Eighteen quadrillion, eighty-one trillion, two hundred fourteen billion, four hundred forty-eight million, nine hundred twenty-one thousand and eight.

Scientific notation

• Scientific notation: 1.8081214448921008 × 10¹⁶

Factors of 18081214448921008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3227

Divisors of 18081214448921008

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 41 44 49 56 77 82 88 98 112 121 154 164 176 196 242 287 308 328 392 451 484 539 574 616 656 784 847 902 968 1078 1148 1187 1232 1694 1804 1936 1979 2009 2156 2296 2374 3157 3388 3608 3958 4018 4312 4592 4748 4961 5929 6314 6776 7216 7916 8036 8309 8624 9496 9922 11858 12628 13057 13552 13853 15832 16072 16618 18992 19844 21769 22099 23716 25256 26114 27706 31664 32144 33236 34727 39688 43538 44198 47432 48667 50512 52228 55412 58163 66472 69454 79376 81139 87076 88396 91399 94864 96971 97334 104456 110824 116326 132944 138908 143627 152383 162278 174152 176792 182798 193942 194668 208912 221648 232652 239459 243089 277816 287254 304766 324556 340669 348304 353584 365596 387884 389336 465304 478918 486178 535337 555632 567973 574508 609532 639793 649112 681338 731192 775768 778672 892529 930608 957836 972356 1005389 1066681 1070674 1135946 1149016 1219064 1279586 1298224 1362676 1462384 1551536 1676213 1785058 1915672 1944712 2010778 2133362 2141348 2271892 2298032 2349073 2384683 2438128 2559172 2725352 3352426 3570116 3747359 3831344 3889424 3916441 3975811 4021556 4266724 4282696 4543784 4698146 4769366 5118344 5450704 5888707 6247703 6704852 7037723 7140232 7494718 7832882 7951622 8043112 8533448 8565392 9087568 9396292 9538732 9817819 10236688 11733491 11777414 12495406 13409704 14075446 14280464 14989436 15665764 15903244 16086224 16443511 17066896 18792584 19077464 19635638 23466982 23554828 24990812 25839803 26231513 26819408 27415087 28150892 29978872 31331528 31806488 32887022 37585168 38154928 39271276 41220949 43080851 43733921 46933964 47109656 49981624 51679606 52463026 54830174 56301784 59957744 62663056 63612976 65774044 68724733 78542552 82441898 86161702 87467842 93867928 94219312 96311993 99963248 103359212 104926052 109660348 112603568 115104577 131548088 137449466 157085104 160574081 164883796 172323404 174935684 180878621 187735856 191905609 192623986 206718424 209852104 219320696 230209154 263096176 274898932 284237833 288546643 301565957 321148162 329767592 344646808 349871368 361757242 383811218 385247972 413436848 419704208 438641392 460418308 473889361 481073131 549797864 568475666 577093286 603131914 642296324 659535184 674183951 689293616 699742736 723514484 767622436 770495944 920836616 947778722 962146262 1059431923 1099595728 1124018567 1136951332 1154186572 1206263828 1266150347 1284592648 1348367902 1447028968 1535244872 1540991888 1766314891 1841673232 1895557444 1924292524 1989664831 2110961699 2118863846 2248037134 2273902664 2308373144 2412527656 2532300694 2569185296 2696735804 2894057936 3070489744 3317225527 3532629782 3791114888 3848585048 3979329662 4221923398 4237727692 4496074268 4547805328 4616746288 4648815467 4719287657 4825055312 5064601388 5393471608 6634451054 7065259564 7416023461 7582229776 7697170096 7868129969 7958659324 8443846796 8475455384 8992148536 9297630934 9438575314 10129202776 10786943216 11653751153 12364204237 13268902108 13927653817 14130519128 14832046922 15736259938 15917318648 16887693592 16950910768 17984297072 18595261868 18877150628 19429463801 20258405552 23220578689 23307502306 24728408474 26537804216 27855307634 28261038256 29664093844 31472519876 31834637296 32541708269 33775387184 37190523736 37754301256 38858927602 46441157378 46615004612 49456816948 51136970137 51912164227 53075608432 55710615268 59328187688 62945039752 65083416538 74381047472 75508602512 77717855204 81576258071 86549429659 92882314756 93230009224 98913633896 102273940274 103824328454 111421230536 118656375376 125890079504 130166833076 136006246607 155435710408 163152516142 173098859318 185764629512 186460018448 190601434147 197827267792 204547880548 207648656908 222842461072 227791957883 260333666152 272012493214 310871420816 326305032284 346197718636 357958790959 371529259024 381202868294 409095761096 415297313816 455583915766 520667332304 544024986428 562506671507 571033806497 652610064568 692395437272 715917581918 762405736588 818191522192 830594627632 911167831532 952043726249 1088049972856 1125013343014 1142067612994 1305220129136 1334210039029 1384790874544 1431835163836 1524811473176 1822335663064 1904087452498 2096615775617 2176099945712 2250026686028 2284135225988 2505711536713 2668420078058 2863670327672 3049622946352 3644671326128 3808174904996 3937546700549 4193231551234 4500053372056 4568270451976 5011423073426 5336840156116 5727340655344 7616349809992 7875093401098 8386463102468 9000106744112 9136540903952 9339470273203 10022846146852 10673680312232 14676310429319 15232699619984 15750186802196 16772926204936 18678940546406 20045692293704 21347360624464 23062773531787 27562826903843 29352620858638 31500373604392 33545852409872 37357881092812 40091384587408 46125547063574 55125653807686 58705241717276 63000747208784 74715762185624 92251094127148 102734173005233 110251307615372 117410483434552 149431524371248 161439414722509 184502188254296 205468346010466 220502615230744 234820966869104 322878829445018 369004376508592 410936692020932 441005230461488 645757658890036 821873384041864 1130075903057563 1291515317780072 1643746768083728 2260151806115126 2583030635560144 4520303612230252 9040607224460504 18081214448921008
• Sum of all divisors σ(n): 45947831189636376
• Sum of proper divisors (its aliquot sum) s(n): 27866616740715368
• 18081214448921008 is an abundant number, because the sum of its proper divisors (27866616740715368) is greater than itself. Its abundance is 9785402291794360

Bases of 18081214448921008

• Binary: 1000000001111001100010011001100010101011110100110110000₂
• Hexadecimal: 0x403CC4CC55E9B0
• Base-36: 4Y1978VRJCG

Squares and roots of 18081214448921008

• 18081214448921008 squared (18081214448921008²) is 326930315947869831017495423736064
• 18081214448921008 cubed (18081214448921008³) is 5911297152506934239847372493756163960676976832512
• The square root of 18081214448921008 is 134466406.3955046283
• The cube root of 18081214448921008 is 262467.7000870423

Scales and comparisons

• 18,081,214,448,921,008 seconds is equal to 574,926,690 years, 31 weeks, 4 days, 43 minutes, 28 seconds.
• To count from 1 to 18,081,214,448,921,008 would take you about one billion, seven hundred twenty-four million, seven hundred eighty thousand and seventy-one 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 18081214448921008 cubic inches would be around 21872.3 feet tall.

Recreational maths with 18081214448921008

• 18081214448921008 backwards is 80012984441218081
• The number of decimal digits it has is: 17
• The sum of 18081214448921008's digits is 61
• More coming soon!