18109816446969

Names of 18109816446969

• Cardinal: 18109816446969 can be written as Eighteen trillion, one hundred nine billion, eight hundred sixteen million, four hundred forty-six thousand, nine hundred sixty-nine.

Scientific notation

• Scientific notation: 1.8109816446969 × 10¹³

Factors of 18109816446969

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5778

Divisors of 18109816446969

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 9 13 19 39 57 117 169 171 247 361 507 741 1083 1521 2223 3211 3249 4693 5743 9633 14079 17229 28899 42237 51687 61009 74659 109117 183027 223977 327351 549081 671931 970567 982053 1418521 2073223 2911701 4255563 6219669 8735103 12766689 18440773 18659007 26951899 32982049 55322319 80855697 98946147 165966957 242567091 296838441 350374687 428766637 626658931 1051124061 1286299911 1879976793 3153372183 3858899733 5573966281 5639930379 8146566103 11906519689 16721898843 24439698309 35719559067 50165696529 73319094927 105905359339 107158677201 154784755957 317716078017 464354267871 953148234051 1393062803613 2012201827441 6036605482323 18109816446969
• Sum of all divisors σ(n): 29900102587407
• Sum of proper divisors (its aliquot sum) s(n): 11790286140438
• 18109816446969 is a deficient number, because the sum of its proper divisors (11790286140438) is less than itself. Its deficiency is 6319530306531

Bases of 18109816446969

• Binary: 100000111100010000101001011010001111111111001₂
• Hexadecimal: 0x1078852D1FF9
• Base-36: 6F3J94PO9

Squares and roots of 18109816446969

• 18109816446969 squared (18109816446969²) is 327965451742908895189286961
• 18109816446969 cubed (18109816446969³) is 5939394132011349396717518008769579671209
• 18109816446969 is a perfect square number. Its square root is 4255563
• The cube root of 18109816446969 is 26260.6023128359

Scales and comparisons

• 18,109,816,446,969 seconds is equal to 575,836 years, 7 weeks, 4 days, 36 minutes, 9 seconds.
• To count from 1 to 18,109,816,446,969 would take you about one million, four hundred thirty-nine thousand, five hundred ninety 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 18109816446969 cubic inches would be around 2188.4 feet tall.

Recreational maths with 18109816446969

• 18109816446969 backwards is 96964461890181
• The number of decimal digits it has is: 14
• The sum of 18109816446969's digits is 72
• More coming soon!