18042112747

Names of 18042112747

• Cardinal: 18042112747 can be written as Eighteen billion, forty-two million, one hundred twelve thousand, seven hundred forty-seven.

Scientific notation

• Scientific notation: 1.8042112747 × 10¹⁰

Factors of 18042112747

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 582003668

Divisors of 18042112747

• Number of divisors d(n): 4
• Complete list of divisors:
  1 31 582003637 18042112747
• Sum of all divisors σ(n): 18624116416
• Sum of proper divisors (its aliquot sum) s(n): 582003669
• 18042112747 is a deficient number, because the sum of its proper divisors (582003669) is less than itself. Its deficiency is 17460109078

Bases of 18042112747

• Binary: 10000110011011001001100101011101011₂
• Hexadecimal: 0x43364CAEB
• Base-36: 8ADT3AJ

Squares and roots of 18042112747

• 18042112747 squared (18042112747²) is 325517832375459886009
• 18042112747 cubed (18042112747³) is 5873029432877094099350145856723
• The square root of 18042112747 is 134320.9319019193
• The cube root of 18042112747 is 2622.7836286505

Scales and comparisons

• 18,042,112,747 seconds is equal to 573 years, 35 weeks, 3 days, 17 hours, 59 minutes, 7 seconds.
• To count from 1 to 18,042,112,747 would take you about one thousand, one hundred forty-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 18042112747 cubic inches would be around 218.6 feet tall.

Recreational maths with 18042112747

• 18042112747 backwards is 74721124081
• The number of decimal digits it has is: 11
• The sum of 18042112747's digits is 37
• More coming soon!