18118622241993

Names of 18118622241993

• Cardinal: 18118622241993 can be written as Eighteen trillion, one hundred eighteen billion, six hundred twenty-two million, two hundred forty-one thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 1.8118622241993 × 10¹³

Factors of 18118622241993

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 191

Divisors of 18118622241993

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 13 19 21 39 49 57 91 133 147 149 169 247 273 343 361 399 447 507 637 741 931 1029 1043 1083 1183 1729 1911 1937 2197 2527 2793 2831 3129 3211 3549 4459 4693 5187 5811 6517 6591 7301 7581 8281 8493 9633 12103 13377 13559 14079 15379 17689 19551 19817 21903 22201 22477 24843 25181 32851 36309 36803 40677 41743 46137 51107 53067 53789 57967 59451 61009 66603 67431 75543 84721 94913 98553 107653 110409 123823 125229 138719 153321 155407 157339 161367 173901 176267 183027 229957 254163 257621 284739 288613 292201 322959 327353 371469 376523 416157 421819 427063 466221 472017 478439 528801 664391 689871 699257 753571 772863 793117 865839 876603 971033 982059 1087849 1101373 1129569 1233869 1265457 1281189 1435317 1609699 1803347 1993173 2020291 2045407 2097771 2260713 2291471 2379351 2635661 2913099 2952733 2989441 3263547 3304119 3349073 3701607 3751969 4829097 4894799 5410041 5483647 5551819 6060873 6136221 6219707 6874413 7614943 7906983 8014561 8637083 8858199 8968323 9090341 10047219 11255907 12623429 14142037 14317849 14684397 16040297 16450941 16655457 18449627 18659121 20669131 20926087 22844829 23443511 24043683 25911249 26263783 27271023 34263593 37870287 38385529 38862733 42426111 42953547 43537949 48120891 48775597 55348881 56101927 62007393 62778261 63632387 70330533 71287411 78791349 98994259 102790779 104189293 112282079 115156587 116588199 118174433 130613847 144683917 146326791 164104577 168305781 183846481 190897161 213862233 239845151 268698703 272039131 296982777 304765643 312567879 336846237 341429179 354523299 392713489 434051751 445426709 492313731 499011877 551539443 719535453 729325051 806096109 816117393 827221031 914296929 926736343 1024287537 1178140467 1286925367 1336280127 1354460809 1497035631 1880890921 2133359501 2187975153 2390004253 2481663093 2748994423 2780209029 3117986963 3493083139 3860776101 4063382427 5105275357 5642672763 5790547217 6400078503 6487154401 7170012759 8246983269 9353960889 9481225663 10479249417 15315826071 16730029771 17371641651 17607990517 19461463203 24451581973 28443676989 35736927499 40533830519 45410080807 50190089313 52823971551 66368579641 73354745919 107210782497 121601491557 123255933619 136230242421 199105738923 317870565649 369767800857 464580057487 862791535333 953611696947 1393740172461 2588374605999 6039540747331 18118622241993
• Sum of all divisors σ(n): 32427903648000
• Sum of proper divisors (its aliquot sum) s(n): 14309281406007
• 18118622241993 is a deficient number, because the sum of its proper divisors (14309281406007) is less than itself. Its deficiency is 3809340835986

Bases of 18118622241993

• Binary: 100000111101010010010000010101110010011001001₂
• Hexadecimal: 0x107A920AE4C9
• Base-36: 6F7KVVGLL

Squares and roots of 18118622241993

• 18118622241993 squared (18118622241993²) is 328284471948043445852612049
• 18118622241993 cubed (18118622241993³) is 5948062335138747055103823020687625573657
• The square root of 18118622241993 is 4256597.4958871787
• The cube root of 18118622241993 is 26264.8579792103

Scales and comparisons

• 18,118,622,241,993 seconds is equal to 576,116 years, 7 weeks, 2 days, 22 hours, 46 minutes, 33 seconds.
• To count from 1 to 18,118,622,241,993 would take you about one million, four hundred forty thousand, two hundred ninety 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 18118622241993 cubic inches would be around 2188.7 feet tall.

Recreational maths with 18118622241993

• 18118622241993 backwards is 39914222681181
• 18118622241993 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18118622241993's digits is 57
• More coming soon!