18193903505379

Names of 18193903505379

• Cardinal: 18193903505379 can be written as Eighteen trillion, one hundred ninety-three billion, nine hundred three million, five hundred five thousand, three hundred seventy-nine.

Scientific notation

• Scientific notation: 1.8193903505379 × 10¹³

Factors of 18193903505379

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 648

Divisors of 18193903505379

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 7 9 21 27 37 49 63 81 111 147 189 259 333 343 441 567 601 777 999 1029 1323 1803 1813 2331 2401 2997 3087 3969 4207 5409 5439 6993 7203 9261 12621 12691 16227 16317 16807 20979 21609 22237 27783 29449 37863 38073 48681 48951 50421 64827 66711 88347 88837 113589 114219 146853 151263 155659 194481 200133 206143 265041 266511 340767 342657 361201 453789 466977 600399 618429 621859 795123 799533 1027971 1083603 1089613 1361367 1400931 1443001 1801197 1855287 1865577 2385369 2398599 2528407 3250809 3268839 4202793 4329003 5565861 5596731 7195797 7585221 7627291 9752427 9806517 10101007 12608379 12987009 13364437 16697583 16790193 17698849 22755663 22881873 29257281 29419551 30303021 38961027 40093311 50370579 53096547 53391037 68266989 68645619 88258653 90909063 93551059 116883081 120279933 123891943 159289641 160173111 204800967 205936857 272727189 280653177 360839799 371675829 373737259 477868923 480519333 617810571 654857413 818181567 841959531 867243601 1082519397 1115027487 1121211777 1433606769 1441557999 1964572239 2525878593 2601730803 3345082461 3363635331 4324673997 4584001891 5893716717 6070705207 7577635779 7805192409 10035247383 10090905993 13752005673 17681150151 18212115621 23415577227 30272717979 32088013237 41256017019 53043450453 54636346863 70246731681 96264039711 123768051057 163909040589 224616092659 288792119133 371304153171 491727121767 673848277977 866376357399 2021544833931 2599129072197 6064634501793 18193903505379
• Sum of all divisors σ(n): 32619284363952
• Sum of proper divisors (its aliquot sum) s(n): 14425380858573
• 18193903505379 is a deficient number, because the sum of its proper divisors (14425380858573) is less than itself. Its deficiency is 3768522646806

Bases of 18193903505379

• Binary: 100001000110000011001001001111100111111100011₂
• Hexadecimal: 0x108C1927CFE3
• Base-36: 6G65WE76R

Squares and roots of 18193903505379

• 18193903505379 squared (18193903505379²) is 331018124763042263881933641
• 18193903505379 cubed (18193903505379³) is 6022511820470297808589840395178564554939
• The square root of 18193903505379 is 4265431.2215037531
• The cube root of 18193903505379 is 26301.1837647959

Scales and comparisons

• 18,193,903,505,379 seconds is equal to 578,509 years, 44 weeks, 2 days, 20 hours, 49 minutes, 39 seconds.
• To count from 1 to 18,193,903,505,379 would take you about one million, four hundred forty-six thousand, two hundred seventy-four 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 18193903505379 cubic inches would be around 2191.8 feet tall.

Recreational maths with 18193903505379

• 18193903505379 backwards is 97350530939181
• 18193903505379 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18193903505379's digits is 63
• More coming soon!