1988569913

Names of 1988569913

• Cardinal: 1988569913 can be written as One billion, nine hundred eighty-eight million, five hundred sixty-nine thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.988569913 × 10⁹

Factors of 1988569913

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1380135

Divisors of 1988569913

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 131 1441 1379993 15179923 180779083 1988569913
• Sum of all divisors σ(n): 2185910496
• Sum of proper divisors (its aliquot sum) s(n): 197340583
• 1988569913 is a deficient number, because the sum of its proper divisors (197340583) is less than itself. Its deficiency is 1791229330

Bases of 1988569913

• Binary: 1110110100001110010101100111001₂
• Hexadecimal: 0x76872B39
• Base-36: WVXYD5

Squares and roots of 1988569913

• 1988569913 squared (1988569913²) is 3954410298888827569
• 1988569913 cubed (1988569913³) is 7863621344027659835558331497
• The square root of 1988569913 is 44593.3841842041
• The cube root of 1988569913 is 1257.5162950985

Scales and comparisons

• 1,988,569,913 seconds is equal to 63 years, 11 weeks, 6 days, 20 hours, 31 minutes, 53 seconds.
• To count from 1 to 1,988,569,913 would take you about one hundred twenty-six 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 1988569913 cubic inches would be around 104.8 feet tall.

Recreational maths with 1988569913

• 1988569913 backwards is 3199658891
• The number of decimal digits it has is: 10
• The sum of 1988569913's digits is 59
• More coming soon!