216668309227821

Names of 216668309227821

• Cardinal: 216668309227821 can be written as Two hundred sixteen trillion, six hundred sixty-eight billion, three hundred nine million, two hundred twenty-seven thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 2.16668309227821 × 10¹⁴

Factors of 216668309227821

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 942

Divisors of 216668309227821

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 11 27 33 99 121 131 297 363 393 797 1089 1179 1441 2391 3267 3537 4323 7173 8767 12969 15851 21519 26301 38907 47553 78903 96437 104407 142659 236709 289311 313221 427977 635209 867933 939663 1148477 1905627 2603799 2818989 3445431 5716881 6987299 10336293 12633247 17150643 20961897 31008879 37899741 62885691 76860289 83212379 113699223 188657073 230580867 249637137 341097669 506261573 691742601 748911411 915336169 1518784719 2075227803 2246734233 2746008507 4556354157 5568877303 8238025521 10068697859 13669062471 16706631909 24714076563 30206093577 50119895727 61257650333 66320266063 90618280731 150359687181 183772950999 198960798189 271854842193 551318852997 596882394567 729522926693 1653956558991 1790647183701 2188568780079 6565706340237 8024752193623 19697119020711 24074256580869 72222769742607 216668309227821
• Sum of all divisors σ(n): 355963756579200
• Sum of proper divisors (its aliquot sum) s(n): 139295447351379
• 216668309227821 is a deficient number, because the sum of its proper divisors (139295447351379) is less than itself. Its deficiency is 77372861876442

Bases of 216668309227821

• Binary: 110001010000111100000101100110110000100100101101₂
• Hexadecimal: 0xC50F059B092D
• Base-36: 24SW1P3R59

Squares and roots of 216668309227821

• 216668309227821 squared (216668309227821²) is 46945156223642662701280408041
• 216668309227821 cubed (216668309227821³) is 10171527625412573983770293204341876509308661
• The square root of 216668309227821 is 14719657.2388021659
• The cube root of 216668309227821 is 60061.8167736267

Scales and comparisons

• 216,668,309,227,821 seconds is equal to 6,889,382 years, 1 week, 5 days, 12 hours, 10 minutes, 21 seconds.
• To count from 1 to 216,668,309,227,821 would take you about seventeen million, two hundred twenty-three thousand, four hundred fifty-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 216668309227821 cubic inches would be around 5005.2 feet tall.

Recreational maths with 216668309227821

• 216668309227821 backwards is 128722903866612
• The number of decimal digits it has is: 15
• The sum of 216668309227821's digits is 63
• More coming soon!