1449653221

Names of 1449653221

• Cardinal: 1449653221 can be written as One billion, four hundred forty-nine million, six hundred fifty-three thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.449653221 × 10⁹

Factors of 1449653221

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 20417722

Divisors of 1449653221

• Number of divisors d(n): 4
• Complete list of divisors:
  1 71 20417651 1449653221
• Sum of all divisors σ(n): 1470070944
• Sum of proper divisors (its aliquot sum) s(n): 20417723
• 1449653221 is a deficient number, because the sum of its proper divisors (20417723) is less than itself. Its deficiency is 1429235498

Bases of 1449653221

• Binary: 1010110011001111111001111100101₂
• Hexadecimal: 0x5667F3E5
• Base-36: NZ33L1

Squares and roots of 1449653221

• 1449653221 squared (1449653221²) is 2101494461155674841
• 1449653221 cubed (1449653221³) is 3046438214527983415684312861
• The square root of 1449653221 is 38074.3118256917
• The cube root of 1449653221 is 1131.7609583721

Scales and comparisons

• 1,449,653,221 seconds is equal to 46 years, 4 weeks, 6 days, 9 hours, 27 minutes, 1 second.
• To count from 1 to 1,449,653,221 would take you about ninety-two 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 1449653221 cubic inches would be around 94.3 feet tall.

Recreational maths with 1449653221

• 1449653221 backwards is 1223569441
• The number of decimal digits it has is: 10
• The sum of 1449653221's digits is 37
• More coming soon!