1218009539575808

Names of 1218009539575808

• Cardinal: 1218009539575808 can be written as One quadrillion, two hundred eighteen trillion, nine billion, five hundred thirty-nine million, five hundred seventy-five thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.218009539575808 × 10¹⁵

Factors of 1218009539575808

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 136671

Divisors of 1218009539575808

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 7 8 14 16 19 23 28 32 38 46 56 64 76 89 92 112 128 133 152 161 178 184 224 256 266 304 322 356 368 437 448 512 532 608 623 644 712 736 874 896 1024 1064 1216 1246 1288 1424 1472 1691 1748 1792 2047 2048 2128 2432 2492 2576 2848 2944 3059 3382 3496 3584 4094 4096 4256 4864 4984 5152 5696 5888 6118 6764 6992 7168 8188 8192 8512 9728 9968 10304 11392 11776 11837 12236 13528 13984 14329 14336 16376 16384 17024 19456 19936 20608 22784 23552 23674 24472 27056 27968 28658 28672 32752 32768 34048 38893 38912 39872 41216 45568 47104 47348 48944 54112 55936 57316 57344 65504 68096 77786 77824 79744 82432 91136 94208 94696 97888 108224 111872 114632 114688 131008 136192 136531 155572 155648 159488 164864 182272 188416 189392 195776 216448 223744 229264 229376 262016 272251 272384 273062 311144 311296 318976 329728 364544 376832 378784 391552 432896 447488 458528 524032 544502 544768 546124 622288 622592 637952 659456 729088 753664 757568 783104 865792 894976 917056 955717 1048064 1089004 1089536 1092248 1244576 1275904 1318912 1458176 1515136 1566208 1731584 1789952 1834112 1911434 2096128 2178008 2179072 2184496 2489152 2551808 2594089 2637824 2916352 3030272 3132416 3140213 3463168 3579904 3668224 3822868 4192256 4356016 4358144 4368992 4978304 5103616 5188178 5275648 6060544 6264832 6280426 6926336 7159808 7336448 7645736 8384512 8712032 8737984 9956608 10207232 10376356 12121088 12151259 12529664 12560852 13852672 14319616 14672896 15291472 16769024 17424064 17475968 18158623 19913216 20414464 20752712 21981491 24242176 24302518 25059328 25121704 27705344 29345792 30582944 33538048 34848128 34951936 36317246 39826432 41505424 43962982 48484352 48605036 50118656 50243408 55410688 58691584 59664047 61165888 67076096 69696256 69903872 72634492 79652864 83010848 85058813 87925964 96968704 97210072 100237312 100486816 117383168 119328094 122331776 139392512 139807744 145268984 159305728 166021696 170117626 175851928 193937408 194420144 200973632 230873921 234766336 238656188 244663552 278785024 279478957 279615488 290537968 318611456 332043392 340235252 351703856 387874816 388840288 401947264 417648329 461747842 469532672 477312376 489327104 557570048 558957914 559230976 581075936 637222912 664086784 680470504 703407712 777680576 803894528 835296658 923495684 954624752 978654208 1115140096 1117915828 1118461952 1162151872 1274445824 1328173568 1360941008 1406815424 1555361152 1607789056 1616117447 1670593316 1846991368 1909249504 1956352699 1957308416 2230280192 2235831656 2236923904 2324303744 2656347136 2721882016 2813630848 3110722304 3215578112 3232234894 3341186632 3693982736 3818499008 3912705398 3914616832 4460560384 4471663312 4473847808 4648607488 5310100183 5312694272 5443764032 5627261696 6221444608 6431156224 6464469788 6682373264 7387965472 7636998016 7825410796 7829233664 8921120768 8943326624 9297214976 10620200366 10625388544 10887528064 11254523392 12442889216 12862312448 12928939576 13364746528 14775930944 15273996032 15650821592 15658467328 17886653248 18594429952 21240400732 21250777088 21775056128 22509046784 24885778432 25724624896 25857879152 26729493056 29551861888 30547992064 31301643184 31316934656 35773306496 37170701281 37188859904 42480801464 42501554176 43550112256 45018093568 49771556864 51449249792 51715758304 53458986112 59103723776 61095984128 62603286368 71546612992 74341402562 74377719808 84961602928 85003108352 87100224512 90036187136 99543113728 102898499584 103431516608 106917972224 118207447552 122191968256 125206572736 143093225984 148682805124 148755439616 169923205856 174200449024 180072374272 199086227456 206863033216 213835944448 236414895104 244383936512 250413145472 286186451968 297365610248 297510879232 339846411712 348400898048 360144748544 398172454912 413726066432 427671888896 472829790208 488767873024 500826290944 572372903936 594731220496 595021758464 679692823424 696801796096 720289497088 827452132864 855343777792 945659580416 977535746048 1001652581888 1144745807872 1189462440992 1359385646848 1393603592192 1654904265728 1710687555584 1891319160832 1955071492096 2003305163776 2289491615744 2378924881984 2718771293696 2787207184384 3309808531456 3421375111168 3782638321664 4006610327552 4578983231488 4757849763968 5437542587392 6619617062912 6842750222336 7565276643328 8013220655104 9157966462976 9515699527936 10875085174784 13239234125824 13685500444672 16026441310208 19031399055872 21750170349568 26478468251648 32052882620416 38062798111744 43500340699136 52956936503296 64105765240832 76125596223488 87000681398272 152251192446976 174001362796544 304502384893952 609004769787904 1218009539575808
• Sum of all divisors σ(n): 3092299068672000
• Sum of proper divisors (its aliquot sum) s(n): 1874289529096192
• 1218009539575808 is an abundant number, because the sum of its proper divisors (1874289529096192) is greater than itself. Its abundance is 656279989520384

Bases of 1218009539575808

• Binary: 100010100111100010111110001111100001000000000000000₂
• Hexadecimal: 0x453C5F1F08000
• Base-36: BZQXUVSEM8

Squares and roots of 1218009539575808

• 1218009539575808 squared (1218009539575808²) is 1483547238497671794596578852864
• 1218009539575808 cubed (1218009539575808³) is 1806974688901510643414749100257096345805914112
• The square root of 1218009539575808 is 34899993.4036642477
• The cube root of 1218009539575808 is 106794.8302862571

Scales and comparisons

• 1,218,009,539,575,808 seconds is equal to 38,728,935 years, 41 weeks, 6 days, 23 hours, 30 minutes, 8 seconds.
• To count from 1 to 1,218,009,539,575,808 would take you about one hundred sixteen million, one hundred eighty-six thousand, eight hundred seven 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 1218009539575808 cubic inches would be around 8899.6 feet tall.

Recreational maths with 1218009539575808

• 1218009539575808 backwards is 8085759359008121
• The number of decimal digits it has is: 16
• The sum of 1218009539575808's digits is 71
• More coming soon!