1220480287

Names of 1220480287

• Cardinal: 1220480287 can be written as One billion, two hundred twenty million, four hundred eighty thousand, two hundred eighty-seven.

Scientific notation

• Scientific notation: 1.220480287 × 10⁹

Factors of 1220480287

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 7858

Divisors of 1220480287

• Number of divisors d(n): 16
• Complete list of divisors:
  1 13 97 127 1261 1651 7621 12319 99073 160147 739237 967867 9610081 12582271 93883099 1220480287
• Sum of all divisors σ(n): 1338545152
• Sum of proper divisors (its aliquot sum) s(n): 118064865
• 1220480287 is a deficient number, because the sum of its proper divisors (118064865) is less than itself. Its deficiency is 1102415422

Bases of 1220480287

• Binary: 1001000101111110000110100011111₂
• Hexadecimal: 0x48BF0D1F
• Base-36: K6N4M7

Squares and roots of 1220480287

• 1220480287 squared (1220480287²) is 1489572130955602369
• 1220480287 cubed (1220480287³) is 1817993421895895163574999903
• The square root of 1220480287 is 34935.3730050217
• The cube root of 1220480287 is 1068.6699305883

Scales and comparisons

• 1,220,480,287 seconds is equal to 38 years, 41 weeks, 6 days, 22 hours, 18 minutes, 7 seconds.
• To count from 1 to 1,220,480,287 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 1220480287 cubic inches would be around 89.1 feet tall.

Recreational maths with 1220480287

• 1220480287 backwards is 7820840221
• The number of decimal digits it has is: 10
• The sum of 1220480287's digits is 34
• More coming soon!