18690765449384

Names of 18690765449384

• Cardinal: 18690765449384 can be written as Eighteen trillion, six hundred ninety billion, seven hundred sixty-five million, four hundred forty-nine thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 1.8690765449384 × 10¹³

Factors of 18690765449384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 164208

Divisors of 18690765449384

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 19 28 38 56 76 133 152 266 361 532 722 1064 1444 2527 2888 5054 5839 10108 11678 20216 23356 40873 46712 81746 110941 158341 163492 221882 316682 326984 443764 633364 776587 887528 1108387 1266728 1553174 2107879 2216774 3008479 3106348 4215758 4433548 6016958 6212696 8431516 8867096 12033916 14755153 16863032 21059353 24067832 29510306 42118706 57161101 59020612 84237412 114322202 118041224 168474824 228644404 400127707 457288808 800255414 924553099 1600510828 1849106198 3201021656 3698212396 6471871693 7396424792 12943743386 17566508881 25887486772 35133017762 51774973544 70266035524 122965562167 140532071048 245931124334 333763668739 491862248668 667527337478 983724497336 1335054674956 2336345681173 2670109349912 4672691362346 9345382724692 18690765449384
• Sum of all divisors σ(n): 42278074041600
• Sum of proper divisors (its aliquot sum) s(n): 23587308592216
• 18690765449384 is an abundant number, because the sum of its proper divisors (23587308592216) is greater than itself. Its abundance is 4896543142832

Bases of 18690765449384

• Binary: 100001111111111001000011011110110100010101000₂
• Hexadecimal: 0x10FFC86F68A8
• Base-36: 6MIF360TK

Squares and roots of 18690765449384

• 18690765449384 squared (18690765449384²) is 349344713083886679465979456
• 18690765449384 cubed (18690765449384³) is 6529520093233275757018279072063551855104
• The square root of 18690765449384 is 4323281.7915773197
• The cube root of 18690765449384 is 26538.4586716419

Scales and comparisons

• 18,690,765,449,384 seconds is equal to 594,308 years, 27 weeks, 2 days, 19 hours, 29 minutes, 44 seconds.
• To count from 1 to 18,690,765,449,384 would take you about one million, four hundred eighty-five thousand, seven hundred seventy-one 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 18690765449384 cubic inches would be around 2211.5 feet tall.

Recreational maths with 18690765449384

• 18690765449384 backwards is 48394456709681
• The number of decimal digits it has is: 14
• The sum of 18690765449384's digits is 74
• More coming soon!