18901420892000

Names of 18901420892000

• Cardinal: 18901420892000 can be written as Eighteen trillion, nine hundred one billion, four hundred twenty million, eight hundred ninety-two thousand.

Scientific notation

• Scientific notation: 1.8901420892 × 10¹³

Factors of 18901420892000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4725355230

Divisors of 18901420892000

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 4725355223 9450710446 18901420892 23626776115 37802841784 47253552230 75605683568 94507104460 118133880575 151211367136 189014208920 236267761150 378028417840 472535522300 590669402875 756056835680 945071044600 1181338805750 1890142089200 2362677611500 3780284178400 4725355223000 9450710446000 18901420892000
• Sum of all divisors σ(n): 46440791141472
• Sum of proper divisors (its aliquot sum) s(n): 27539370249472
• 18901420892000 is an abundant number, because the sum of its proper divisors (27539370249472) is greater than itself. Its abundance is 8637949357472

Bases of 18901420892000

• Binary: 100010011000011010100011110100101111101100000₂
• Hexadecimal: 0x1130D47A5F60
• Base-36: 6P76XZ8M8

Squares and roots of 18901420892000

• 18901420892000 squared (18901420892000²) is 357263711736534075664000000
• 18901420892000 cubed (18901420892000³) is 6752791784970390777425438372288000000000
• The square root of 18901420892000 is 4347576.4388909829
• The cube root of 18901420892000 is 26637.7875570813

Scales and comparisons

• 18,901,420,892,000 seconds is equal to 601,006 years, 37 weeks, 2 days, 12 hours, 13 minutes, 20 seconds.
• To count from 1 to 18,901,420,892,000 would take you about one million, five hundred two thousand, five hundred sixteen 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 18901420892000 cubic inches would be around 2219.8 feet tall.

Recreational maths with 18901420892000

• 18901420892000 backwards is 00029802410981
• The number of decimal digits it has is: 14
• The sum of 18901420892000's digits is 44
• More coming soon!