21381821075182113

Names of 21381821075182113

• Cardinal: 21381821075182113 can be written as Twenty-one quadrillion, three hundred eighty-one trillion, eight hundred twenty-one billion, seventy-five million, one hundred eighty-two thousand, one hundred thirteen.

Scientific notation

• Scientific notation: 2.1381821075182113 × 10¹⁶

Factors of 21381821075182113

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 397

Divisors of 21381821075182113

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 7 9 13 21 27 39 63 67 91 117 189 201 273 307 351 469 603 819 871 921 1407 1809 2149 2457 2613 2763 3991 4221 4489 6097 6447 7839 8289 11973 12663 13467 18291 19341 20569 23517 27937 31423 35919 40401 54873 58023 58357 61707 83811 94249 94269 107757 121203 143983 164619 175071 185121 251433 267397 282747 282807 300763 408499 431949 525213 555363 659743 754299 802191 848241 848421 902289 1225237 1225497 1295847 1378123 1575639 1871779 1979229 2105341 2406573 2544723 2706867 3675711 3676491 3887541 3909919 4134369 5615337 5937687 6314683 6316023 7219719 8120601 8576659 9646861 11027133 11029473 11729757 12403107 16846011 17813061 17915599 18944049 18948069 25729977 27369433 28934443 28940583 33081399 35189271 37209321 44202781 50538033 53746797 56832147 56844207 77189931 82090879 82108299 86803329 86821749 92334241 105567813 125409193 132608343 161240391 170496441 202541101 231569793 246272637 246324897 260409987 260465247 277002723 376147759 376227579 397825029 423083761 483721173 574636153 607623303 646339687 738817911 738974691 781229961 831008169 1128443277 1128682737 1193475087 1200345133 1269251283 1723908459 1822869909 1938607681 1939019061 2216453733 2493024507 2633034313 2961586327 3385329831 3386048211 3601035399 3807753849 5171725377 5468609727 5500088893 5815823043 5817057183 7899102939 8402415931 8884758981 10155989493 10803106197 11423261547 13570253767 15515176131 16500266679 17447469129 17451171549 23697308817 25201899853 25207247793 26654276943 28346611987 32409318591 38500622251 40710761301 49500800037 52342407387 71091926451 75605699559 75621743379 79962830829 85039835961 115501866753 122132283903 129886714627 148502400111 176413298971 198426283909 226817098677 226865230137 255119507883 346505600259 366396851709 368505955831 389660143881 529239896913 595278851727 680451296031 765358523649 909207002389 1039516800777 1105517867493 1168980431643 1587719690739 1688527290151 1785836555181 2579541690817 2727621007167 3316553602479 3506941294929 4763159072217 5065581870453 5357509665543 7738625072451 8182863021501 8702409880009 9949660807437 11819691031057 15196745611359 23215875217353 24548589064503 26107229640027 35459073093171 45590236834077 60916869160063 69647625652059 78321688920081 106377219279513 113131328440117 182750607480189 234965066760243 319131657838539 339393985320351 548251822440567 791919299080819 1018181955961053 1644755467321701 2375757897242457 3054545867883159 7127273691727371 21381821075182113
• Sum of all divisors σ(n): 39706841574400000
• Sum of proper divisors (its aliquot sum) s(n): 18325020499217887
• 21381821075182113 is a deficient number, because the sum of its proper divisors (18325020499217887) is less than itself. Its deficiency is 3056800575964226

Bases of 21381821075182113

• Binary: 1001011111101101010011100101001110101100101001000100001₂
• Hexadecimal: 0x4BF6A729D65221
• Base-36: 5UJ80ZXWIE9

Squares and roots of 21381821075182113

• 21381821075182113 squared (21381821075182113²) is 457182272491101970787896115144769
• 21381821075182113 cubed (21381821075182113³) is 9775389549149895704156843562919144605424034316897
• The square root of 21381821075182113 is 146225240.8963039217
• The cube root of 21381821075182113 is 277554.4727636101

Scales and comparisons

• 21,381,821,075,182,113 seconds is equal to 679,875,771 years, 45 weeks, 3 days, 18 hours, 8 minutes, 33 seconds.
• To count from 1 to 21,381,821,075,182,113 would take you about two billion, thirty-nine million, six hundred twenty-seven thousand, three hundred fifteen 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 21381821075182113 cubic inches would be around 23129.5 feet tall.

Recreational maths with 21381821075182113

• 21381821075182113 backwards is 31128157012818312
• The number of decimal digits it has is: 17
• The sum of 21381821075182113's digits is 54
• More coming soon!