18012921339450625

Names of 18012921339450625

• Cardinal: 18012921339450625 can be written as Eighteen quadrillion, twelve trillion, nine hundred twenty-one billion, three hundred thirty-nine million, four hundred fifty thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.8012921339450625 × 10¹⁶

Factors of 18012921339450625

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 343

Divisors of 18012921339450625

• Number of divisors d(n): 125
• Complete list of divisors:
  1 5 7 25 35 49 125 175 245 331 343 625 875 1225 1655 1715 2317 2401 4375 6125 8275 8575 11585 12005 16219 30625 41375 42875 57925 60025 81095 109561 113533 206875 214375 289625 300125 405475 547805 567665 766927 794731 1448125 1500625 2027375 2739025 2838325 3834635 3973655 5368489 10136875 13695125 14191625 19173175 19868275 26842445 36264691 37579423 68475625 70958125 95865875 99341375 134212225 181323455 187897115 253852837 263055961 479329375 496706875 671061125 906617275 939485575 1269264185 1315279805 1776969859 3355305625 4533086375 4697427875 6346320925 6576399025 8884849295 12003612721 12438789013 22665431875 23487139375 31731604625 32881995125 44424246475 60018063605 62193945065 84025289047 87071523091 158658023125 164409975625 222121232375 300090318025 310969725325 420126445235 435357615455 588177023329 1110606161875 1500451590125 1554848626625 2100632226175 2176788077275 2940885116645 4117239163303 7502257950625 7774243133125 10503161130875 10883940386375 14704425583225 20586195816515 28820674143121 52515805654375 54419701931875 73522127916125 102930979082575 144103370715605 367610639580625 514654895412875 720516853578025 2573274477064375 3602584267890125 18012921339450625
• Sum of all divisors σ(n): 26338447468659205
• Sum of proper divisors (its aliquot sum) s(n): 8325526129208580
• 18012921339450625 is a deficient number, because the sum of its proper divisors (8325526129208580) is less than itself. Its deficiency is 9687395210242045

Bases of 18012921339450625

• Binary: 111111111111101010100000010001110011100001010100000001₂
• Hexadecimal: 0x3FFEA811CE1501
• Base-36: 4XD1PTPNU2P

Squares and roots of 18012921339450625

• 18012921339450625 squared (18012921339450625²) is 324465335181235698277976812890625
• 18012921339450625 cubed (18012921339450625³) is 5844568559998080133565978423201262636855712890625
• 18012921339450625 is a perfect square number. Its square root is 134212225
• The cube root of 18012921339450625 is 262136.8345864517

Scales and comparisons

• 18,012,921,339,450,625 seconds is equal to 572,755,180 years, 50 weeks, 3 days, 6 hours, 30 minutes, 25 seconds.
• To count from 1 to 18,012,921,339,450,625 would take you about one billion, seven hundred eighteen million, two hundred sixty-five thousand, five hundred forty-two 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 18012921339450625 cubic inches would be around 21844.7 feet tall.

Recreational maths with 18012921339450625

• 18012921339450625 backwards is 52605493312921081
• The number of decimal digits it has is: 17
• The sum of 18012921339450625's digits is 61
• More coming soon!