142221885

Names of 142221885

• Cardinal: 142221885 can be written as One hundred forty-two million, two hundred twenty-one thousand, eight hundred eighty-five.

Scientific notation

• Scientific notation: 1.42221885 × 10⁸

Factors of 142221885

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 294

Divisors of 142221885

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 13 15 39 65 73 97 103 195 219 291 309 365 485 515 949 1095 1261 1339 1455 1545 2847 3783 4017 4745 6305 6695 7081 7519 9991 14235 18915 20085 21243 22557 29973 35405 37595 49955 92053 97747 106215 112785 129883 149865 276159 293241 389649 460265 488735 649415 729343 1380795 1466205 1948245 2188029 3646715 9481459 10940145 28444377 47407295 142221885
• Sum of all divisors σ(n): 253413888
• Sum of proper divisors (its aliquot sum) s(n): 111192003
• 142221885 is a deficient number, because the sum of its proper divisors (111192003) is less than itself. Its deficiency is 31029882

Bases of 142221885

• Binary: 1000011110100010001000111101₂
• Hexadecimal: 0x87A223D
• Base-36: 2COB3X

Squares and roots of 142221885

• 142221885 squared (142221885²) is 20227064572953225
• 142221885 cubed (142221885³) is 2876731251582127676329125
• The square root of 142221885 is 11925.6817415191
• The cube root of 142221885 is 521.9819395989

Scales and comparisons

• 142,221,885 seconds is equal to 4 years, 27 weeks, 1 day, 2 hours, 4 minutes, 45 seconds.
• To count from 1 to 142,221,885 would take you about six 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 142221885 cubic inches would be around 43.5 feet tall.

Recreational maths with 142221885

• 142221885 backwards is 588122241
• The number of decimal digits it has is: 9
• The sum of 142221885's digits is 33
• More coming soon!