21245228093824

Names of 21245228093824

• Cardinal: 21245228093824 can be written as Twenty-one trillion, two hundred forty-five billion, two hundred twenty-eight million, ninety-three thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1245228093824 × 10¹³

Factors of 21245228093824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 468483

Divisors of 21245228093824

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 57727 115454 230908 404089 410747 461816 808178 821494 923632 1616356 1642988 1847264 2875229 3232712 3285976 3694528 5750458 6465424 6571952 7389056 11500916 12930848 13143904 23001832 25861696 26287808 46003664 51723392 52575616 92007328 184014656 368029312 23711192069 47422384138 94844768276 165978344483 189689536552 331956688966 379379073104 663913377932 758758146208 1327826755864 1517516292416 2655653511728 3035032584832 5311307023456 10622614046912 21245228093824
• Sum of all divisors σ(n): 48371787509760
• Sum of proper divisors (its aliquot sum) s(n): 27126559415936
• 21245228093824 is an abundant number, because the sum of its proper divisors (27126559415936) is greater than itself. Its abundance is 5881331322112

Bases of 21245228093824

• Binary: 100110101001010001010010001100001000110000000₂
• Hexadecimal: 0x13528A461180
• Base-36: 7J3X89RWG

Squares and roots of 21245228093824

• 21245228093824 squared (21245228093824²) is 451359716758608552546942976
• 21245228093824 cubed (21245228093824³) is 9589240134900433726769473062282905780224
• The square root of 21245228093824 is 4609254.6136901571
• The cube root of 21245228093824 is 27696.2178164449

Scales and comparisons

• 21,245,228,093,824 seconds is equal to 675,532 years, 27 weeks, 6 days, 16 hours, 17 minutes, 4 seconds.
• To count from 1 to 21,245,228,093,824 would take you about one million, six hundred eighty-eight thousand, eight hundred thirty-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 21245228093824 cubic inches would be around 2308 feet tall.

Recreational maths with 21245228093824

• 21245228093824 backwards is 42839082254212
• The number of decimal digits it has is: 14
• The sum of 21245228093824's digits is 52
• More coming soon!