18956134862438399

Names of 18956134862438399

• Cardinal: 18956134862438399 can be written as Eighteen quadrillion, nine hundred fifty-six trillion, one hundred thirty-four billion, eight hundred sixty-two million, four hundred thirty-eight thousand, three hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8956134862438399 × 10¹⁶

Factors of 18956134862438399

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6301

Divisors of 18956134862438399

• Number of divisors d(n): 128
• Complete list of divisors:
  1 59 79 101 109 251 271 4661 5431 5959 6431 7979 8611 11009 14809 15989 19829 21409 25351 27359 27371 29539 68021 320429 429049 470761 508049 548531 591979 649531 869711 1169911 1263131 1363181 1471801 1495709 1614181 1614889 1742801 2002729 2161361 2162309 2333581 2763259 2983439 4013239 5373659 6870121 7414289 25313891 32363329 34926761 43333949 46766341 51312949 59789879 80427679 86836259 107691299 116272279 118161011 127520299 127576231 137681279 137681281 148586729 148651901 160426309 163032281 176022901 218297461 235691681 317045881 369422051 405337139 437443051 542739559 585728831 748843189 2556702991 2759214119 3527602861 4723400441 6353786641 6860064461 8123195579 8766617011 8770462159 9465152231 10876821199 11738351591 11743500179 12673678411 12879550199 13905809179 15007259629 16203057209 21795901009 29184342029 32021633981 34558001029 37311627151 40267003559 44181748151 59158611931 278680626019 641732450741 692562743869 692866510561 747747026249 885428318111 955980375331 1185573510691 1280041519511 1721876179711 2201386001909 2375753209981 2947618544929 3181093281161 3490358103929 4066967359459 69948837130769 75522449651149 173909494150811 187684503588499 239951074208081 321290421397261 18956134862438399
• Sum of all divisors σ(n): 20052258766848000
• Sum of proper divisors (its aliquot sum) s(n): 1096123904409601
• 18956134862438399 is a deficient number, because the sum of its proper divisors (1096123904409601) is less than itself. Its deficiency is 17860010958028798

Bases of 18956134862438399

• Binary: 1000011010110001000000100010100110010100011111111111111₂
• Hexadecimal: 0x43588114CA3FFF
• Base-36: 56NE04W73ZZ

Squares and roots of 18956134862438399

• 18956134862438399 squared (18956134862438399²) is 359335048922952460178924069683201
• 18956134862438399 cubed (18956134862438399³) is 6811603648184386808479142750562623905078307635199
• The square root of 18956134862438399 is 137681279.9999999963
• The cube root of 18956134862438399 is 266634.6561030759

Scales and comparisons

• 18,956,134,862,438,399 seconds is equal to 602,746,453 years, 23 weeks, 2 days, 23 hours, 59 minutes, 59 seconds.
• To count from 1 to 18,956,134,862,438,399 would take you about one billion, eight hundred eight million, two hundred thirty-nine thousand, three hundred sixty 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 18956134862438399 cubic inches would be around 22219.6 feet tall.

Recreational maths with 18956134862438399

• 18956134862438399 backwards is 99383426843165981
• The number of decimal digits it has is: 17
• The sum of 18956134862438399's digits is 89
• More coming soon!