18521142829392

Names of 18521142829392

• Cardinal: 18521142829392 can be written as Eighteen trillion, five hundred twenty-one billion, one hundred forty-two million, eight hundred twenty-nine thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.8521142829392 × 10¹³

Factors of 18521142829392

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 55122448909

Divisors of 18521142829392

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 55122448897 110244897794 165367346691 220489795588 330734693382 385857142279 440979591176 661469386764 771714284558 881959182352 1157571426837 1322938773528 1543428569116 2315142853674 2645877547056 3086857138232 4630285707348 6173714276464 9260571414696 18521142829392
• Sum of all divisors σ(n): 54681469306816
• Sum of proper divisors (its aliquot sum) s(n): 36160326477424
• 18521142829392 is an abundant number, because the sum of its proper divisors (36160326477424) is greater than itself. Its abundance is 17639183648032

Bases of 18521142829392

• Binary: 100001101100001001010001000111010000101010000₂
• Hexadecimal: 0x10D84A23A150
• Base-36: 6KCHU8LLC

Squares and roots of 18521142829392

• 18521142829392 squared (18521142829392²) is 343032731706738699219089664
• 18521142829392 cubed (18521142829392³) is 6353358219097013220847472000395502604288
• The square root of 18521142829392 is 4303619.7356866929
• The cube root of 18521142829392 is 26457.9338905919

Scales and comparisons

• 18,521,142,829,392 seconds is equal to 588,915 years, 2 weeks, 5 days, 1 hour, 3 minutes, 12 seconds.
• To count from 1 to 18,521,142,829,392 would take you about one million, four hundred seventy-two thousand, two hundred eighty-seven 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 18521142829392 cubic inches would be around 2204.8 feet tall.

Recreational maths with 18521142829392

• 18521142829392 backwards is 29392824112581
• The number of decimal digits it has is: 14
• The sum of 18521142829392's digits is 57
• More coming soon!