1999998977

Names of 1999998977

• Cardinal: 1999998977 can be written as One billion, nine hundred ninety-nine million, nine hundred ninety-eight thousand, nine hundred seventy-seven.

Scientific notation

• Scientific notation: 1.999998977 × 10⁹

Factors of 1999998977

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 154927

Divisors of 1999998977

• Number of divisors d(n): 8
• Complete list of divisors:
  1 67 193 12931 154667 10362689 29850731 1999998977
• Sum of all divisors σ(n): 2040380256
• Sum of proper divisors (its aliquot sum) s(n): 40381279
• 1999998977 is a deficient number, because the sum of its proper divisors (40381279) is less than itself. Its deficiency is 1959617698

Bases of 1999998977

• Binary: 1110111001101011001000000000001₂
• Hexadecimal: 0x77359001
• Base-36: X2QX35

Squares and roots of 1999998977

• 1999998977 squared (1999998977²) is 3999995908001046529
• 1999998977 cubed (1999998977³) is 7999987724006279172929400833
• The square root of 1999998977 is 44721.3481125067
• The cube root of 1999998977 is 1259.9208350783

Scales and comparisons

• 1,999,998,977 seconds is equal to 63 years, 30 weeks, 6 days, 3 hours, 16 minutes, 17 seconds.
• To count from 1 to 1,999,998,977 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 1999998977 cubic inches would be around 105 feet tall.

Recreational maths with 1999998977

• 1999998977 backwards is 7798999991
• The number of decimal digits it has is: 10
• The sum of 1999998977's digits is 77
• More coming soon!