19818418892013

Names of 19818418892013

• Cardinal: 19818418892013 can be written as Nineteen trillion, eight hundred eighteen billion, four hundred eighteen million, eight hundred ninety-two thousand and thirteen.

Scientific notation

• Scientific notation: 1.9818418892013 × 10¹³

Factors of 19818418892013

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 75

Divisors of 19818418892013

• Number of divisors d(n): 420
• Complete list of divisors:
  1 3 7 9 17 19 21 27 29 51 57 63 81 87 119 133 153 171 189 203 243 261 289 323 357 399 459 493 513 551 567 609 729 783 841 867 969 1071 1197 1377 1479 1539 1653 1701 1827 2023 2261 2349 2523 2601 2907 3213 3451 3591 3857 4131 4437 4617 4959 5103 5481 5491 5887 6069 6783 7047 7569 7803 8381 8721 9367 9639 10353 10773 11571 12393 13311 13851 14297 14877 15979 16443 16473 17661 18207 20349 21141 22707 23409 24389 25143 26163 28101 28917 31059 32319 34713 38437 39933 42891 44631 47937 49329 49419 52983 54621 58667 61047 65569 68121 70227 73167 75429 78489 84303 86751 93177 96957 100079 104139 111853 115311 119799 128673 133893 143811 147987 148257 158949 159239 163863 170723 176001 183141 196707 204363 210681 219501 226287 235467 243049 252909 271643 279531 300237 312417 335559 345933 359397 386019 401679 414613 431433 444771 463391 476847 477717 491589 512169 528003 549423 590121 613089 658503 678861 707281 729147 758727 814929 838593 900711 937251 1006677 1037799 1114673 1158057 1243839 1294299 1334313 1390173 1430541 1433151 1474767 1536507 1584009 1648269 1701343 1770363 1901501 1975509 2036583 2121843 2187441 2276181 2444787 2515779 2702133 2811753 2902291 3020031 3113397 3243737 3344019 3474171 3731517 3882897 4002939 4170519 4291623 4299453 4609521 4617931 4752027 4950967 5104029 5311089 5704503 5926527 6109749 6365529 6562323 6828543 7048421 7334361 7877647 8106399 8706873 9060093 9340191 9731211 10032057 10422513 11194551 11648691 12023777 12511557 12898359 13438339 13828563 13853793 14256081 14852901 15312087 15933267 17113509 17779581 19096587 19686969 21145263 22003083 23632941 24319197 26120619 27180279 28020573 29193633 30096171 32325517 33583653 36071331 37534671 38695077 40315017 41485689 41561379 42768243 44558703 45936261 47799801 49338947 51340527 55143529 57289761 59060907 63435789 66009249 70898823 72957591 78361857 81540837 84166439 87580899 90288513 94068373 96976551 100750959 108213993 112604013 116085231 120945051 124457067 124684137 133676109 133919999 137808783 148016841 154021581 165430587 171869283 177182721 190307367 198027747 204404209 212696469 228451763 235085571 252499317 262742697 270865539 282205119 290929653 302252877 324641979 337812039 362835153 374052411 401028327 401759997 413426349 444050523 462064743 496291761 515607849 570922101 613212627 638089407 685355289 705256713 757497951 788228091 812596617 846615357 872788959 937439993 973925937 1088505459 1122157233 1203084981 1205279991 1240279047 1332151569 1386194229 1430829463 1488875283 1599162341 1712766303 1839637881 1914268221 2056065867 2115770139 2272493853 2364684273 2539846071 2618366877 2812319979 2921777811 3265516377 3366471699 3609254943 3615839973 3883679971 3996454707 4292488389 4466625849 4797487023 5138298909 5518913643 5742804663 6168197601 6817481559 7619538213 7855100631 8436959937 8765333433 9796549131 10847519919 11651039913 11989364121 12877465167 13399877547 14392461069 16556740929 18504592803 20452444677 22858614639 23565301893 25310879811 27185759797 32542559757 34953119739 35968092363 38632395501 40199632641 43177383207 49670222787 55513778409 61357334031 68575843917 75932639433 81557279391 97627679271 104859359217 115897186503 129532149621 149010668361 166541335227 227797918299 244671838173 314578077651 347691559509 388596448863 683393754897 734015514519 943734232953 1043074678527 1165789346589 2202046543557 2831202698859 6606139630671 19818418892013
• Sum of all divisors σ(n): 39328778414560
• Sum of proper divisors (its aliquot sum) s(n): 19510359522547
• 19818418892013 is a deficient number, because the sum of its proper divisors (19510359522547) is less than itself. Its deficiency is 308059369466

Bases of 19818418892013

• Binary: 100100000011001010101110100010110110011101101₂
• Hexadecimal: 0x120655D16CED
• Base-36: 70WGEWTT9

Squares and roots of 19818418892013

• 19818418892013 squared (19818418892013²) is 392769727379297786555192169
• 19818418892013 cubed (19818418892013³) is 7784074985304670909215134954025274246197
• The square root of 19818418892013 is 4451788.2802322259
• The cube root of 19818418892013 is 27061.7784697327

Scales and comparisons

• 19,818,418,892,013 seconds is equal to 630,164 years, 21 weeks, 5 days, 6 hours, 53 minutes, 33 seconds.
• To count from 1 to 19,818,418,892,013 would take you about one million, five hundred seventy-five thousand, four hundred eleven 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 19818418892013 cubic inches would be around 2255.1 feet tall.

Recreational maths with 19818418892013

• 19818418892013 backwards is 31029881481891
• 19818418892013 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 19818418892013's digits is 63
• More coming soon!