208309905225

Names of 208309905225

• Cardinal: 208309905225 can be written as Two hundred eight billion, three hundred nine million, nine hundred five thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 2.08309905225 × 10¹¹

Factors of 208309905225

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 94374

Divisors of 208309905225

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 81 135 225 405 675 1103 2025 3309 5515 9927 16545 27575 29781 49635 82725 89343 93263 148905 248175 279789 446715 466315 744525 839367 1398945 2233575 2331575 2518101 4196835 6994725 7554303 12590505 20984175 37771515 62952525 102869089 188857575 308607267 514345445 925821801 1543036335 2571727225 2777465403 4629109005 7715181675 8332396209 13887327015 23145545025 41661981045 69436635075 208309905225
• Sum of all divisors σ(n): 386215923456
• Sum of proper divisors (its aliquot sum) s(n): 177906018231
• 208309905225 is a deficient number, because the sum of its proper divisors (177906018231) is less than itself. Its deficiency is 30403886994

Bases of 208309905225

• Binary: 11000010000000001111001110011101001001₂
• Hexadecimal: 0x30803CE749
• Base-36: 2NP2C7K9

Squares and roots of 208309905225

• 208309905225 squared (208309905225²) is 43393016614848482300625
• 208309905225 cubed (208309905225³) is 9039195178465937675778283708265625
• The square root of 208309905225 is 456409.7996592535
• The cube root of 208309905225 is 5927.9332824021

Scales and comparisons

• 208,309,905,225 seconds is equal to 6,623 years, 31 weeks, 5 days, 6 hours, 33 minutes, 45 seconds.
• To count from 1 to 208,309,905,225 would take you about thirteen thousand, two hundred forty-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 208309905225 cubic inches would be around 494 feet tall.

Recreational maths with 208309905225

• 208309905225 backwards is 522509903802
• 208309905225 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 208309905225's digits is 45
• More coming soon!