21229750443908

Names of 21229750443908

• Cardinal: 21229750443908 can be written as Twenty-one trillion, two hundred twenty-nine billion, seven hundred fifty million, four hundred forty-three thousand, nine hundred eight.

Scientific notation

• Scientific notation: 2.1229750443908 × 10¹³

Factors of 21229750443908

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1118154

Divisors of 21229750443908

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 23 46 67 92 134 268 1541 3082 3089 6164 6178 12356 71047 142094 206963 284188 413926 827852 1114973 2229946 4459892 4760149 9520298 19040596 25644379 51288758 74703191 102577516 149406382 298812764 1718173393 3436346786 3444151597 6872693572 6888303194 13776606388 79215486731 158430973462 230758156999 316861946924 461516313998 923032627996 5307437610977 10614875221954 21229750443908
• Sum of all divisors σ(n): 39358760595840
• Sum of proper divisors (its aliquot sum) s(n): 18129010151932
• 21229750443908 is a deficient number, because the sum of its proper divisors (18129010151932) is less than itself. Its deficiency is 3100740291976

Bases of 21229750443908

• Binary: 100110100111011101111101110111101111110000100₂
• Hexadecimal: 0x134EEFBBDF84
• Base-36: 7IWT9A0SK

Squares and roots of 21229750443908

• 21229750443908 squared (21229750443908²) is 450702303910611923054312464
• 21229750443908 cubed (21229750443908³) is 9568297436516671797814207571797737269312
• The square root of 21229750443908 is 4607575.3324181255
• The cube root of 21229750443908 is 27689.4903997761

Scales and comparisons

• 21,229,750,443,908 seconds is equal to 675,040 years, 20 weeks, 4 days, 5 hours, 5 minutes, 8 seconds.
• To count from 1 to 21,229,750,443,908 would take you about one million, six hundred eighty-seven thousand, six hundred 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 21229750443908 cubic inches would be around 2307.5 feet tall.

Recreational maths with 21229750443908

• 21229750443908 backwards is 80934405792212
• The number of decimal digits it has is: 14
• The sum of 21229750443908's digits is 56
• More coming soon!