1998493935

Names of 1998493935

• Cardinal: 1998493935 can be written as One billion, nine hundred ninety-eight million, four hundred ninety-three thousand, nine hundred thirty-five.

Scientific notation

• Scientific notation: 1.998493935 × 10⁹

Factors of 1998493935

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 133232937

Divisors of 1998493935

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 133232929 399698787 666164645 1998493935
• Sum of all divisors σ(n): 3197590320
• Sum of proper divisors (its aliquot sum) s(n): 1199096385
• 1998493935 is a deficient number, because the sum of its proper divisors (1199096385) is less than itself. Its deficiency is 799397550

Bases of 1998493935

• Binary: 1110111000111101001100011101111₂
• Hexadecimal: 0x771E98EF
• Base-36: X1UNSF

Squares and roots of 1998493935

• 1998493935 squared (1998493935²) is 3993978008231784225
• 1998493935 cubed (1998493935³) is 7981940825974600847891175375
• The square root of 1998493935 is 44704.5180602587
• The cube root of 1998493935 is 1259.6047166459

Scales and comparisons

• 1,998,493,935 seconds is equal to 63 years, 28 weeks, 2 days, 17 hours, 12 minutes, 15 seconds.
• To count from 1 to 1,998,493,935 would take you about one hundred twenty-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 1998493935 cubic inches would be around 105 feet tall.

Recreational maths with 1998493935

• 1998493935 backwards is 5393948991
• The number of decimal digits it has is: 10
• The sum of 1998493935's digits is 60
• More coming soon!