221085000909

Names of 221085000909

• Cardinal: 221085000909 can be written as Two hundred twenty-one billion, eighty-five million, nine hundred nine.

Scientific notation

• Scientific notation: 2.21085000909 × 10¹¹

Factors of 221085000909

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2917

Divisors of 221085000909

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 27 29 87 241 261 563 723 783 1689 2081 2169 5067 6243 6507 6989 15201 16327 18729 20967 48981 56187 60349 62901 135683 146943 181047 188703 407049 440829 501521 543141 1171603 1221147 1504563 1629423 3514809 3663441 3934807 4513689 10544427 11804421 13541067 14544109 31633281 33976487 35413263 43632327 101929461 106239789 130896981 282356323 305788383 392690943 847068969 917365149 2541206907 7623620721 8188333367 24565000101 73695000303 221085000909
• Sum of all divisors σ(n): 341001619200
• Sum of proper divisors (its aliquot sum) s(n): 119916618291
• 221085000909 is a deficient number, because the sum of its proper divisors (119916618291) is less than itself. Its deficiency is 101168382618

Bases of 221085000909

• Binary: 11001101111001101100010110010011001101₂
• Hexadecimal: 0x3379B164CD
• Base-36: 2TKCAUH9

Squares and roots of 221085000909

• 221085000909 squared (221085000909²) is 48878577626932530826281
• 221085000909 cubed (221085000909³) is 10806320379081005640610005406089429
• The square root of 221085000909 is 470196.7682885539
• The cube root of 221085000909 is 6046.7186259203

Scales and comparisons

• 221,085,000,909 seconds is equal to 7,029 years, 42 weeks, 4 days, 4 hours, 15 minutes, 9 seconds.
• To count from 1 to 221,085,000,909 would take you about fourteen thousand and fifty-nine 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 221085000909 cubic inches would be around 503.9 feet tall.

Recreational maths with 221085000909

• 221085000909 backwards is 909000580122
• The number of decimal digits it has is: 12
• The sum of 221085000909's digits is 36
• More coming soon!