1220557249

Names of 1220557249

• Cardinal: 1220557249 can be written as One billion, two hundred twenty million, five hundred fifty-seven thousand, two hundred forty-nine.

Scientific notation

• Scientific notation: 1.220557249 × 10⁹

Factors of 1220557249

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 393

Divisors of 1220557249

• Number of divisors d(n): 32
• Complete list of divisors:
  1 29 41 59 127 137 1189 1711 2419 3683 3973 5207 5617 7493 8083 17399 70151 151003 162893 217297 234407 307213 331403 504571 713359 1026541 8909177 9610687 20687411 29769689 42088181 1220557249
• Sum of all divisors σ(n): 1335398400
• Sum of proper divisors (its aliquot sum) s(n): 114841151
• 1220557249 is a deficient number, because the sum of its proper divisors (114841151) is less than itself. Its deficiency is 1105716098

Bases of 1220557249

• Binary: 1001000110000000011100111000001₂
• Hexadecimal: 0x48C039C1
• Base-36: K6OS01

Squares and roots of 1220557249

• 1220557249 squared (1220557249²) is 1489759998086448001
• 1220557249 cubed (1220557249³) is 1818337364934640236282109249
• The square root of 1220557249 is 34936.4744786879
• The cube root of 1220557249 is 1068.6923931239

Scales and comparisons

• 1,220,557,249 seconds is equal to 38 years, 42 weeks, 19 hours, 40 minutes, 49 seconds.
• To count from 1 to 1,220,557,249 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 1220557249 cubic inches would be around 89.1 feet tall.

Recreational maths with 1220557249

• 1220557249 backwards is 9427550221
• The number of decimal digits it has is: 10
• The sum of 1220557249's digits is 37
• More coming soon!