1221467471

Names of 1221467471

• Cardinal: 1221467471 can be written as One billion, two hundred twenty-one million, four hundred sixty-seven thousand, four hundred seventy-one.

Scientific notation

• Scientific notation: 1.221467471 × 10⁹

Factors of 1221467471

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 904321

Divisors of 1221467471

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 193 1351 904121 6328847 174495353 1221467471
• Sum of all divisors σ(n): 1403197344
• Sum of proper divisors (its aliquot sum) s(n): 181729873
• 1221467471 is a deficient number, because the sum of its proper divisors (181729873) is less than itself. Its deficiency is 1039737598

Bases of 1221467471

• Binary: 1001000110011100001110101001111₂
• Hexadecimal: 0x48CE1D4F
• Base-36: K78ABZ

Squares and roots of 1221467471

• 1221467471 squared (1221467471²) is 1491982782711135841
• 1221467471 cubed (1221467471³) is 1822408436373713619243728111
• The square root of 1221467471 is 34949.4988662213
• The cube root of 1221467471 is 1068.9579837307

Scales and comparisons

• 1,221,467,471 seconds is equal to 38 years, 43 weeks, 4 days, 8 hours, 31 minutes, 11 seconds.
• To count from 1 to 1,221,467,471 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 1221467471 cubic inches would be around 89.1 feet tall.

Recreational maths with 1221467471

• 1221467471 backwards is 1747641221
• The number of decimal digits it has is: 10
• The sum of 1221467471's digits is 35
• More coming soon!