1222982421

Names of 1222982421

• Cardinal: 1222982421 can be written as One billion, two hundred twenty-two million, nine hundred eighty-two thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.222982421 × 10⁹

Factors of 1222982421

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 121251

Divisors of 1222982421

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 3461 10383 117787 353361 407660807 1222982421
• Sum of all divisors σ(n): 1631128224
• Sum of proper divisors (its aliquot sum) s(n): 408145803
• 1222982421 is a deficient number, because the sum of its proper divisors (408145803) is less than itself. Its deficiency is 814836618

Bases of 1222982421

• Binary: 1001000111001010011101100010101₂
• Hexadecimal: 0x48E53B15
• Base-36: K84R9X

Squares and roots of 1222982421

• 1222982421 squared (1222982421²) is 1495686002075021241
• 1222982421 cubed (1222982421³) is 1829197687873520500944604461
• The square root of 1222982421 is 34971.1655653625
• The cube root of 1222982421 is 1069.3997334815

Scales and comparisons

• 1,222,982,421 seconds is equal to 38 years, 46 weeks, 21 hours, 20 minutes, 21 seconds.
• To count from 1 to 1,222,982,421 would take you about seventy-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 1222982421 cubic inches would be around 89.1 feet tall.

Recreational maths with 1222982421

• 1222982421 backwards is 1242892221
• The number of decimal digits it has is: 10
• The sum of 1222982421's digits is 33
• More coming soon!