18021690311273583118

Names of 18021690311273583118

• Cardinal: 18021690311273583118 can be written as Eighteen quintillion, twenty-one quadrillion, six hundred ninety trillion, three hundred eleven billion, two hundred seventy-three million, five hundred eighty-three thousand, one hundred eighteen.

Scientific notation

• Scientific notation: 1.8021690311273583118 × 10¹⁹

Factors of 18021690311273583118

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1251

Divisors of 18021690311273583118

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 17 34 109 218 289 578 1123 1853 2246 3706 4913 9826 11881 19091 23762 31501 38182 63002 122407 201977 244814 324547 403954 535517 649094 1071034 1261129 1295029 2080919 2522258 2590058 3433609 4161838 5517299 6867218 11034598 13342363 21439193 22015493 26684726 35375623 42878386 44030986 58371353 70751246 116742706 137463061 226820171 274926122 364466281 374263381 453640342 601385591 728932562 748526762 1202771182 1416247867 1454317567 2336872037 2832495734 2908635134 3855942907 4673744074 6195926777 6362477477 7711885814 12391853554 12724954954 14983473649 24076213739 24723398639 29966947298 39726824629 48152427478 49446797278 65551029419 79453649258 131102058838 154371017503 254719052033 308742035006 409295633563 420297776863 509438104066 675356018693 818591267126 840595553726 1350712037386 1633198627741 2624307297551 3266397255482 4330223884561 5248614595102 6958025770571 7145062206671 8660447769122 13916051541142 14290124413342 16826440907827 27764376671597 33652881815654 44613224058367 55528753343194 73613806037537 89226448116734 147227612075074 286049495433059 471994403417149 572098990866118 758424808992239 943988806834298 1516849617984478 1834082058953143 3668164117906286 4862841422362003 8023904858091533 9725682844724006 16047809716183066 31179395002203431 62358790004406862 82668304180154051 165336608360308102 530049715037458327 1060099430074916654 9010845155636791559 18021690311273583118
• Sum of all divisors σ(n): 29013502446483984000
• Sum of proper divisors (its aliquot sum) s(n): 10991812135210400882
• 18021690311273583118 is a deficient number, because the sum of its proper divisors (10991812135210400882) is less than itself. Its deficiency is 7029878176063182236

Bases of 18021690311273583118

• Binary: 1111101000011001111001111101101011100111100011111001001000001110₂
• Hexadecimal: 0xFA19E7DAE78F920E
• Base-36: 3SX4S1NEDC9VY

Squares and roots of 18021690311273583118

• 18021690311273583118 squared (18021690311273583118²) is 324781321675452137174902387118454601924
• 18021690311273583118 cubed (18021690311273583118³) is 5853108398121124753721312442051498015200622603699816719032
• The square root of 18021690311273583118 is 4245196145.2062003773
• The cube root of 18021690311273583118 is 2621793.6512261895

Scales and comparisons

• 18,021,690,311,273,583,118 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,021,690,311,273,583,118 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 18021690311273583118 cubic inches would be around 218482.8 feet tall.

Recreational maths with 18021690311273583118

• 18021690311273583118 backwards is 81138537211309612081
• The number of decimal digits it has is: 20
• The sum of 18021690311273583118's digits is 70
• More coming soon!