21168315164321352

Names of 21168315164321352

• Cardinal: 21168315164321352 can be written as Twenty-one quadrillion, one hundred sixty-eight trillion, three hundred fifteen billion, one hundred sixty-four million, three hundred twenty-one thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 2.1168315164321352 × 10¹⁶

Factors of 21168315164321352

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6837311099635

Divisors of 21168315164321352

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 43 72 86 129 172 258 344 387 516 774 1032 1548 3096 6837311099587 13674622199174 20511933298761 27349244398348 41023866597522 54698488796696 61535799896283 82047733195044 123071599792566 164095466390088 246143199585132 294004377282241 492286399170264 588008754564482 882013131846723 1176017509128964 1764026263693446 2352035018257928 2646039395540169 3528052527386892 5292078791080338 7056105054773784 10584157582160676 21168315164321352
• Sum of all divisors σ(n): 58664129234465040
• Sum of proper divisors (its aliquot sum) s(n): 37495814070143688
• 21168315164321352 is an abundant number, because the sum of its proper divisors (37495814070143688) is greater than itself. Its abundance is 16327498905822336

Bases of 21168315164321352

• Binary: 1001011001101000111100001110001110111001110011001001000₂
• Hexadecimal: 0x4B347871DCE648
• Base-36: 5SFJHQJ4W20

Squares and roots of 21168315164321352

• 21168315164321352 squared (21168315164321352²) is 448097566896037307725266723107904
• 21168315164321352 cubed (21168315164321352³) is 9485470520420888001947673301621763363460427166208
• The square root of 21168315164321352 is 145493350.9282171699
• The cube root of 21168315164321352 is 276627.5503861427

Scales and comparisons

• 21,168,315,164,321,352 seconds is equal to 673,086,944 years, 17 weeks, 4 hours, 49 minutes, 12 seconds.
• To count from 1 to 21,168,315,164,321,352 would take you about two billion, nineteen million, two hundred sixty thousand, eight hundred thirty-two 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 21168315164321352 cubic inches would be around 23052.3 feet tall.

Recreational maths with 21168315164321352

• 21168315164321352 backwards is 25312346151386112
• The number of decimal digits it has is: 17
• The sum of 21168315164321352's digits is 54
• More coming soon!