21103352332969221

Names of 21103352332969221

• Cardinal: 21103352332969221 can be written as Twenty-one quadrillion, one hundred three trillion, three hundred fifty-two billion, three hundred thirty-two million, nine hundred sixty-nine thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 2.1103352332969221 × 10¹⁶

Factors of 21103352332969221

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 70180986169

Divisors of 21103352332969221

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 21 27 37 43 63 111 129 189 259 301 333 387 777 903 999 1161 1591 2331 2709 4773 6993 8127 11137 14319 33411 42957 100233 300699 70180986079 210542958237 491266902553 631628874711 1473800707659 1894886624133 2596696484923 3017782401397 4421402122977 7790089454769 9053347204191 13264206368931 18176875394461 21124476809779 23370268364307 27160041612573 54530626183383 63373430429337 70110805092921 81480124837719 111657948851689 163591878550149 190120291288011 334973846555067 490775635650447 570360873864033 781605641961823 1004921539665201 2344816925885469 3014764618995603 7034450777656407 21103352332969221
• Sum of all divisors σ(n): 37549634792243200
• Sum of proper divisors (its aliquot sum) s(n): 16446282459273979
• 21103352332969221 is a deficient number, because the sum of its proper divisors (16446282459273979) is less than itself. Its deficiency is 4657069873695242

Bases of 21103352332969221

• Binary: 1001010111110010110001100011011011000000110010100000101₂
• Hexadecimal: 0x4AF9631B606505
• Base-36: 5RSII82N0N9

Squares and roots of 21103352332969221

• 21103352332969221 squared (21103352332969221²) is 445351479689437462726086133346841
• 21103352332969221 cubed (21103352332969221³) is 9398409187895384721284789146458759910431770580861
• The square root of 21103352332969221 is 145269929.2110009289
• The cube root of 21103352332969221 is 276344.2823157871

Scales and comparisons

• 21,103,352,332,969,221 seconds is equal to 671,021,327 years, 12 weeks, 1 day, 1 hour, 40 minutes, 21 seconds.
• To count from 1 to 21,103,352,332,969,221 would take you about two billion, thirteen million, sixty-three thousand, nine hundred eighty-one 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 21103352332969221 cubic inches would be around 23028.7 feet tall.

Recreational maths with 21103352332969221

• 21103352332969221 backwards is 12296923325330112
• The number of decimal digits it has is: 17
• The sum of 21103352332969221's digits is 54
• More coming soon!