21239288798818671

Names of 21239288798818671

• Cardinal: 21239288798818671 can be written as Twenty-one quadrillion, two hundred thirty-nine trillion, two hundred eighty-eight billion, seven hundred ninety-eight million, eight hundred eighteen thousand, six hundred seventy-one.

Scientific notation

• Scientific notation: 2.1239288798818671 × 10¹⁶

Factors of 21239288798818671

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 397

Divisors of 21239288798818671

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 9 21 27 47 49 63 141 147 149 189 191 329 343 423 441 447 573 987 1029 1043 1269 1323 1337 1341 1719 2209 2303 2961 3087 3129 4011 4023 5157 6627 6909 7003 7301 8883 8977 9261 9359 9387 12033 15463 16121 19881 20727 21009 21903 26931 28077 28161 28459 36099 36481 46389 48363 49021 51107 59643 62181 62839 63027 65513 65709 80793 84231 85377 108241 109443 139167 145089 147063 153321 188517 189081 196539 197127 199213 242379 252693 255367 256131 324723 328329 329141 343147 417501 421919 435267 439873 441189 459963 565551 589617 597639 757687 766101 768393 974169 984987 987423 1029441 1265757 1319619 1323567 1337573 1379889 1394491 1696653 1714607 1768851 1787569 1792917 2273061 2298303 2303987 2402029 2922507 2953433 2962269 3079111 3088323 3797271 3958857 4012719 4183473 5143821 5362707 5378751 5435669 6819183 6894909 6911961 6967871 7206087 8860299 8886807 9237333 9264969 9363011 9761437 11391813 11876571 12002249 12038157 12512983 12550419 15431463 16088121 16127909 16307007 20457549 20674031 20735883 20903613 21618261 26580897 27711999 28089033 29284311 36006747 36114471 37538949 37651257 38049683 46294389 48264363 48383727 48775097 48921021 62022093 62207649 62710839 62865931 64854783 65541077 79742691 80586529 83135997 84015743 84267099 87852933 108020241 112616847 112895363 114149049 144718217 145151181 146325291 146763063 186066279 188132517 188597793 196623231 241759587 252047229 252801297 255476443 263558799 266347781 324060723 327489937 337850541 338686089 341425679 342447147 434154651 435453543 438975873 440061517 458787539 558198837 564105703 565793379 588110201 589869693 725278761 756141687 766429329 799043343 982469811 1016058267 1024277037 1027341441 1038212779 1302463953 1316927619 1320184551 1376362617 1692317109 1697380137 1764330603 1769609079 1788335101 1864434467 2175836283 2268425061 2292429559 2299287987 2389979753 2397130029 2947409433 3048174801 3072831111 3080430619 3114638337 3907391859 3948739921 3960553653 4129087851 5076951327 5292991809 5365005303 5593303401 6877288677 6897863961 7169939259 7191390087 7267489453 8842228299 9218493333 9241291857 9343915011 11846219763 11881660959 12007392821 12387263553 12518345707 15230853981 15392027039 15878975427 16047006913 16095015909 16779910203 20631866031 21509817777 21563014333 21802468359 27641179447 27723875571 28031745033 35538659289 36022178463 37555037121 46176081117 48141020739 48285047727 48796000613 50339730609 50872426171 61895598093 64529453331 64689042999 65407405077 82923538341 83171626713 84051749747 87628419949 106615977867 107744189273 108066535389 112329048391 112665111363 138528243351 144423062217 146388001839 152617278513 194067128997 196222215231 248770615023 252155249241 262885259847 323232567819 324199606167 336987145173 337995334089 341572004291 356106983197 415584730053 433269186651 439164005517 457851835539 582201386991 588362248229 746311845069 754209324911 756465747723 788655779541 969697703457 1010961435519 1024716012873 1068320949591 1317492016551 1373555506617 1765086744687 2262627974733 2269397243169 2293412028811 2365967338623 2391004030037 2909093110371 3032884306557 3074148038619 3204962848773 4118535737603 5279465274377 5295260234061 6787883924199 6880236086433 7173012090111 9222444115857 9614888546319 12355607212809 15838395823131 15885780702183 16053884201677 16737028210259 20363651772597 20640708259299 21519036270333 37066821638427 47515187469393 48161652605031 50211084630777 61922124777897 64557108810999 111200464915281 112377189411739 142545562408179 144484957815093 150633253892331 337131568235217 433454873445279 451899761676993 786640325882173 1011394704705651 2359920977646519 3034184114116953 7079762932939557 21239288798818671
• Sum of all divisors σ(n): 37942213939200000
• Sum of proper divisors (its aliquot sum) s(n): 16702925140381329
• 21239288798818671 is a deficient number, because the sum of its proper divisors (16702925140381329) is less than itself. Its deficiency is 4536363658437342

Bases of 21239288798818671

• Binary: 1001011011101010000010101001000001000101011000101101111₂
• Hexadecimal: 0x4B75054822B16F
• Base-36: 5T4P6KOMP9R

Squares and roots of 21239288798818671

• 21239288798818671 squared (21239288798818671²) is 451107388679624264403765138206241
• 21239288798818671 cubed (21239288798818671³) is 9581200107447484186797615725090431094448759525711
• The square root of 21239288798818671 is 145737053.6233619313
• The cube root of 21239288798818671 is 276936.3666679281

Scales and comparisons

• 21,239,288,798,818,671 seconds is equal to 675,343,686 years, 19 weeks, 1 day, 4 hours, 17 minutes, 51 seconds.
• To count from 1 to 21,239,288,798,818,671 would take you about two billion, twenty-six million, thirty-one thousand and fifty-nine 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 21239288798818671 cubic inches would be around 23078 feet tall.

Recreational maths with 21239288798818671

• 21239288798818671 backwards is 17681889788293212
• The number of decimal digits it has is: 17
• The sum of 21239288798818671's digits is 90
• More coming soon!