221329864665

Names of 221329864665

• Cardinal: 221329864665 can be written as Two hundred twenty-one billion, three hundred twenty-nine million, eight hundred sixty-four thousand, six hundred sixty-five.

Scientific notation

• Scientific notation: 2.21329864665 × 10¹¹

Factors of 221329864665

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 139732

Divisors of 221329864665

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 35 39 43 45 63 65 81 91 105 117 129 135 189 195 215 273 301 315 351 387 405 455 559 567 585 645 819 903 945 1053 1161 1365 1505 1677 1755 1935 2457 2709 2795 2835 3483 3913 4095 4515 5031 5265 5805 7371 8127 8385 11739 12285 13545 15093 17415 19565 24381 25155 35217 36855 40635 45279 58695 75465 105651 121905 139661 176085 226395 316953 418983 528255 698305 977627 1256949 1584765 1815593 2094915 2932881 3770847 4888135 5446779 6005423 6284745 8798643 9077965 11312541 12709151 14664405 16340337 18016269 18854235 26395929 27233895 30027115 38127453 42037961 43993215 49021011 54048807 56562705 63545755 78070499 79187787 81701685 90081345 114382359 126113883 131979645 147063033 162146421 190637265 210189805 234211497 245105055 270244035 343147077 378341649 390352495 395938935 486439263 546493493 571911795 630569415 702634491 735315165 810732105 1029441231 1135024947 1171057485 1639480479 1715735385 1891708245 2107903473 2432196315 2732467465 3405074841 3513172455 4918441437 5147206155 5675124735 6323710419 8197402395 10539517365 14755324311 17025374205 24592207185 31618552095 44265972933 73776621555 221329864665
• Sum of all divisors σ(n): 499672647936
• Sum of proper divisors (its aliquot sum) s(n): 278342783271
• 221329864665 is an abundant number, because the sum of its proper divisors (278342783271) is greater than itself. Its abundance is 57012918606

Bases of 221329864665

• Binary: 11001110001000010010011011011111011001₂
• Hexadecimal: 0x338849B7D9
• Base-36: 2TOE34K9

Squares and roots of 221329864665

• 221329864665 squared (221329864665²) is 48986908992627215562225
• 221329864665 cubed (221329864665³) is 10842265937694853103183041136279625
• The square root of 221329864665 is 470457.0805769643
• The cube root of 221329864665 is 6048.9501597055

Scales and comparisons

• 221,329,864,665 seconds is equal to 7,037 years, 31 weeks, 3 days, 5 hours, 57 minutes, 45 seconds.
• To count from 1 to 221,329,864,665 would take you about fourteen thousand and seventy-five 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 221329864665 cubic inches would be around 504.1 feet tall.

Recreational maths with 221329864665

• 221329864665 backwards is 566468923122
• The number of decimal digits it has is: 12
• The sum of 221329864665's digits is 54
• More coming soon!