1222481281

Names of 1222481281

• Cardinal: 1222481281 can be written as One billion, two hundred twenty-two million, four hundred eighty-one thousand, two hundred eighty-one.

Scientific notation

• Scientific notation: 1.222481281 × 10⁹

Factors of 1222481281

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 38951

Divisors of 1222481281

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 5171 33773 36197 236411 174640183 1222481281
• Sum of all divisors σ(n): 1397433024
• Sum of proper divisors (its aliquot sum) s(n): 174951743
• 1222481281 is a deficient number, because the sum of its proper divisors (174951743) is less than itself. Its deficiency is 1047529538

Bases of 1222481281

• Binary: 1001000110111011001010110000001₂
• Hexadecimal: 0x48DD9581
• Base-36: K7U0LD

Squares and roots of 1222481281

• 1222481281 squared (1222481281²) is 1494460482395400961
• 1222481281 cubed (1222481281³) is 1826949964922607715311911041
• The square root of 1222481281 is 34963.9997854937
• The cube root of 1222481281 is 1069.2536446551

Scales and comparisons

• 1,222,481,281 seconds is equal to 38 years, 45 weeks, 2 days, 2 hours, 8 minutes, 1 second.
• To count from 1 to 1,222,481,281 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 1222481281 cubic inches would be around 89.1 feet tall.

Recreational maths with 1222481281

• 1222481281 backwards is 1821842221
• The number of decimal digits it has is: 10
• The sum of 1222481281's digits is 31
• More coming soon!