1321193209

Names of 1321193209

• Cardinal: 1321193209 can be written as One billion, three hundred twenty-one million, one hundred ninety-three thousand, two hundred nine.

Scientific notation

• Scientific notation: 1.321193209 × 10⁹

Factors of 1321193209

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 8206199

Divisors of 1321193209

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 23 161 8206169 57443183 188741887 1321193209
• Sum of all divisors σ(n): 1575584640
• Sum of proper divisors (its aliquot sum) s(n): 254391431
• 1321193209 is a deficient number, because the sum of its proper divisors (254391431) is less than itself. Its deficiency is 1066801778

Bases of 1321193209

• Binary: 1001110101111111100111011111001₂
• Hexadecimal: 0x4EBFCEF9
• Base-36: LULR7D

Squares and roots of 1321193209

• 1321193209 squared (1321193209²) is 1745551495507717681
• 1321193209 cubed (1321193209³) is 2306210781824590607226428329
• The square root of 1321193209 is 36348.2215383367
• The cube root of 1321193209 is 1097.2917422829

Scales and comparisons

• 1,321,193,209 seconds is equal to 42 years, 3 days, 14 hours, 6 minutes, 49 seconds.
• To count from 1 to 1,321,193,209 would take you about eighty-four 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 1321193209 cubic inches would be around 91.4 feet tall.

Recreational maths with 1321193209

• 1321193209 backwards is 9023911231
• The number of decimal digits it has is: 10
• The sum of 1321193209's digits is 31
• More coming soon!