221404977920

Names of 221404977920

• Cardinal: 221404977920 can be written as Two hundred twenty-one billion, four hundred four million, nine hundred seventy-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.2140497792 × 10¹¹

Factors of 221404977920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 24710391

Divisors of 221404977920

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 560 640 896 1120 1280 1792 2240 4480 8960 24710377 49420754 98841508 123551885 172972639 197683016 247103770 345945278 395366032 494207540 691890556 790732064 864863195 988415080 1383781112 1581464128 1729726390 1976830160 2767562224 3162928256 3459452780 3953660320 5535124448 6325856512 6918905560 7907320640 11070248896 13837811120 15814641280 22140497792 27675622240 31629282560 44280995584 55351244480 110702488960 221404977920
• Sum of all divisors σ(n): 606096151584
• Sum of proper divisors (its aliquot sum) s(n): 384691173664
• 221404977920 is an abundant number, because the sum of its proper divisors (384691173664) is greater than itself. Its abundance is 163286195744

Bases of 221404977920

• Binary: 11001110001100110000111101101100000000₂
• Hexadecimal: 0x338CC3DB00
• Base-36: 2TPMT2BK

Squares and roots of 221404977920

• 221404977920 squared (221404977920²) is 49020164247755687526400
• 221404977920 cubed (221404977920³) is 10853308382909121406337011417088000
• The square root of 221404977920 is 470536.9038874635
• The cube root of 221404977920 is 6049.6343646253

Scales and comparisons

• 221,404,977,920 seconds is equal to 7,039 years, 51 weeks, 4 days, 14 hours, 45 minutes, 20 seconds.
• To count from 1 to 221,404,977,920 would take you about fourteen thousand and seventy-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 221404977920 cubic inches would be around 504.1 feet tall.

Recreational maths with 221404977920

• 221404977920 backwards is 029779404122
• The number of decimal digits it has is: 12
• The sum of 221404977920's digits is 47
• More coming soon!