1221998408382882

Names of 1221998408382882

• Cardinal: 1221998408382882 can be written as One quadrillion, two hundred twenty-one trillion, nine hundred ninety-eight billion, four hundred eight million, three hundred eighty-two thousand, eight hundred eighty-two.

Scientific notation

• Scientific notation: 1.221998408382882 × 10¹⁵

Factors of 1221998408382882

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 254

Divisors of 1221998408382882

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 6 13 26 31 39 47 61 62 78 93 94 97 122 141 183 186 194 282 291 366 403 582 611 793 806 961 1209 1222 1261 1457 1586 1833 1891 1922 2379 2418 2522 2867 2883 2914 3007 3666 3721 3782 3783 4371 4559 4758 5673 5734 5766 5917 6014 7442 7566 8601 8742 9021 9118 11163 11346 11834 12493 13677 17202 17751 18042 18941 22326 24583 24986 27354 29791 35502 37271 37479 37882 39091 45167 48373 49166 56823 58621 59267 59582 73749 74542 74958 76921 78182 88877 89373 90334 93217 96746 111813 113646 115351 117242 117273 118534 135501 141329 145119 147498 153842 174887 175863 177754 177801 178746 183427 186434 223626 230702 230763 234546 266631 271002 278099 279651 282658 290238 346053 349774 351726 355602 360937 366854 387283 423987 461526 524661 533262 550281 556198 559302 587171 692106 721874 762073 774566 834297 847974 923521 1049322 1082811 1100562 1155401 1161849 1174342 1211821 1400177 1499563 1524146 1668594 1761513 1817251 1837277 1847042 2165622 2273531 2286219 2310802 2323698 2384551 2423642 2755187 2770563 2800354 2889727 2999126 3466203 3523026 3575881 3615287 3634502 3635463 3674554 4200531 4381199 4498689 4547062 4572438 4692181 4769102 5421497 5451753 5510374 5511831 5541126 5686237 5779454 6820593 6932406 7151762 7153653 7230574 7270926 8265561 8401062 8621069 8669181 8762398 8997378 9384362 10727643 10842994 10845861 10903506 11023662 11189047 11372474 12005773 13143597 13641186 14076543 14307306 16264491 16531122 16964039 17058711 17242138 17338362 18202301 21455286 21691722 22378094 23624263 24011546 25863207 26287194 28153086 32528982 33567141 33928078 34117422 35817431 36017319 36404602 37566451 43405487 46486453 47248526 50892117 51726414 54606903 56334781 56955587 67134282 70479461 70872789 71634862 72034638 73921081 75132902 85410797 86810974 89581537 92972906 101784234 107452293 109213806 110852311 112073897 112669562 112699353 113911174 130216461 135817169 139459359 140958922 141745578 145457611 147842162 168066407 169004343 170821594 170866761 176273347 179163074 211438383 214904586 220532507 221704622 221763243 224147794 225398706 256232391 260432922 267253139 268744611 271634338 278918718 290915222 332556933 336132814 336221691 338008686 341733522 346860457 352546694 407451507 422876766 436372833 441065014 443526486 504199221 512464782 525885209 528820041 534506278 537489222 564271331 661597521 665113866 672443382 693720914 732352153 801759417 814903014 872745666 1008398442 1040581371 1051770418 1057640082 1110340361 1128542662 1164559981 1323195042 1441080043 1464704306 1577655627 1603518834 1692813993 1765623197 2081162742 2184863291 2197056459 2220680722 2291553511 2329119962 2647734707 2882160086 3155311254 3331021083 3385627986 3436421641 3474290807 3493679943 3531246394 4210332239 4323240129 4369726582 4394112918 4509185941 4583107022 5210058617 5295469414 5296869591 5464473757 6554589873 6662042166 6836507717 6872843282 6874660533 6948581614 6987359886 7943204121 8284847309 8420664478 8646480258 9018371882 10309264923 10420117234 10422872421 10593739182 10752674167 10928947514 12630996717 13109179746 13527557823 13673015434 13749321066 15630175851 15886408242 16302441479 16393421271 16569694618 20509523151 20618529846 20845744842 21505348334 24854541927 25261993434 27055115646 31260351702 32258022501 32604882958 32786842542 34420551191 41019046302 44673481333 48907324437 49709083854 54734319107 64516045002 67730762021 68841102382 71038158841 89346962666 97814648874 103261653573 107703015017 109468638214 134020443999 135461524042 139784764171 142076317682 161511817127 164202957321 203192286063 206523307146 211931739227 213114476523 215406030034 256830266579 268040887998 279569528342 323023634254 323109045051 328405914642 333332899177 406384572126 419354292513 423863478454 426228953046 484535451381 505375685849 513660533158 635795217681 646218090102 666665798354 770490799737 838708585026 969070902762 999998697531 1010751371698 1271590435362 1516127057547 1540981599474 1999997395062 2099653622651 3032254115094 3338793465527 4199307245302 4333327689301 6298960867953 6569883916037 6677586931054 8666655378602 10016380396581 12597921735906 12999983067903 13139767832074 15666646261319 19709651748111 20032760793162 25999966135806 31333292522638 39419303496222 46999938783957 93999877567914 203666401397147 407332802794294 610999204191441 1221998408382882
• Sum of all divisors σ(n): 2852989250791680
• Sum of proper divisors (its aliquot sum) s(n): 1630990842408798
• 1221998408382882 is an abundant number, because the sum of its proper divisors (1630990842408798) is greater than itself. Its abundance is 408992434025916

Bases of 1221998408382882

• Binary: 100010101110110011010101101000011000011100110100010₂
• Hexadecimal: 0x45766AD0C39A2
• Base-36: C15UBHAC9U

Squares and roots of 1221998408382882

• 1221998408382882 squared (1221998408382882²) is 1493280110090296853050310625924
• 1221998408382882 cubed (1221998408382882³) is 1824785917800157565786482568474220562067032968
• The square root of 1221998408382882 is 34957093.8206093157
• The cube root of 1221998408382882 is 106911.2843235171

Scales and comparisons

• 1,221,998,408,382,882 seconds is equal to 38,855,769 years, 25 weeks, 6 days, 34 minutes, 42 seconds.
• To count from 1 to 1,221,998,408,382,882 would take you about one hundred sixteen million, five hundred sixty-seven thousand, three hundred eight 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 1221998408382882 cubic inches would be around 8909.3 feet tall.

Recreational maths with 1221998408382882

• 1221998408382882 backwards is 2882838048991221
• The number of decimal digits it has is: 16
• The sum of 1221998408382882's digits is 75
• More coming soon!