18538637219011

Names of 18538637219011

• Cardinal: 18538637219011 can be written as Eighteen trillion, five hundred thirty-eight billion, six hundred thirty-seven million, two hundred nineteen thousand and eleven.

Scientific notation

• Scientific notation: 1.8538637219011 × 10¹³

Factors of 18538637219011

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1980

Divisors of 18538637219011

• Number of divisors d(n): 128
• Complete list of divisors:
  1 7 13 19 73 91 133 169 247 511 877 949 991 1183 1387 1729 2197 3211 6139 6643 6937 9709 11401 12337 12883 15379 16663 18031 18829 22477 41743 64021 72343 79807 86359 90181 116641 126217 131803 148213 160381 167479 216619 234403 244777 292201 448147 506401 832273 869107 940459 1037491 1122667 1172353 1216399 1374517 1516333 1640821 1713439 1926769 2177227 2816047 3047239 3182101 5825911 6083749 6583213 8514793 9621619 10819549 11298391 12225967 13487383 15240589 15813187 16513033 17868721 19712329 21330673 22274707 36608611 41367313 63444811 75736843 79088737 85581769 110692309 115591231 125081047 140654137 146879083 158937571 205571431 214669429 232293373 256260277 289571191 444113677 824782543 984578959 1028153581 1112562997 1205451409 1439000017 1502686003 1626053611 1909428079 2672428603 2790702577 3019813849 5773477801 8438159863 10722173059 13365996553 15670868317 18707000221 19534918039 21138696943 36279133501 75055211413 109696078219 139388249767 203721288121 253953934507 975717748369 1426049016847 2648376745573 18538637219011
• Sum of all divisors σ(n): 24543406899200
• Sum of proper divisors (its aliquot sum) s(n): 6004769680189
• 18538637219011 is a deficient number, because the sum of its proper divisors (6004769680189) is less than itself. Its deficiency is 12533867538822

Bases of 18538637219011

• Binary: 100001101110001011100111000101101010011000011₂
• Hexadecimal: 0x10DC5CE2D4C3
• Base-36: 6KKJ5Y30J

Squares and roots of 18538637219011

• 18538637219011 squared (18538637219011²) is 343681069938099903979818121
• 18538637219011 cubed (18538637219011³) is 6371378674623981397829901541765023498331
• The square root of 18538637219011 is 4305651.7763296883
• The cube root of 18538637219011 is 26466.2616658535

Scales and comparisons

• 18,538,637,219,011 seconds is equal to 589,471 years, 16 weeks, 4 days, 9 hours, 43 minutes, 31 seconds.
• To count from 1 to 18,538,637,219,011 would take you about one million, four hundred seventy-three thousand, six hundred seventy-eight 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 18538637219011 cubic inches would be around 2205.5 feet tall.

Recreational maths with 18538637219011

• 18538637219011 backwards is 11091273683581
• The number of decimal digits it has is: 14
• The sum of 18538637219011's digits is 55
• More coming soon!