21118283635216

Names of 21118283635216

• Cardinal: 21118283635216 can be written as Twenty-one trillion, one hundred eighteen billion, two hundred eighty-three million, six hundred thirty-five thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.1118283635216 × 10¹³

Factors of 21118283635216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 257640745

Divisors of 21118283635216

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 47 94 109 188 218 376 436 752 872 1744 5123 10246 20492 40984 81968 257640587 515281174 1030562348 2061124696 4122249392 12109107589 24218215178 28082823983 48436430356 56165647966 96872860712 112331295932 193745721424 224662591864 449325183728 1319892727201 2639785454402 5279570908804 10559141817608 21118283635216
• Sum of all divisors σ(n): 42170611443840
• Sum of proper divisors (its aliquot sum) s(n): 21052327808624
• 21118283635216 is a deficient number, because the sum of its proper divisors (21052327808624) is less than itself. Its deficiency is 65955826592

Bases of 21118283635216

• Binary: 100110011010011111011110010110101101000010000₂
• Hexadecimal: 0x1334FBCB5A10
• Base-36: 7HHLSTGR4

Squares and roots of 21118283635216

• 21118283635216 squared (21118283635216²) is 445981903697431911755366656
• 21118283635216 cubed (21118283635216³) is 9418372338455954424748769067768633757696
• The square root of 21118283635216 is 4595463.3754623699
• The cube root of 21118283635216 is 27640.9441114345

Scales and comparisons

• 21,118,283,635,216 seconds is equal to 671,496 years, 5 weeks, 2 hours, 40 minutes, 16 seconds.
• To count from 1 to 21,118,283,635,216 would take you about one million, six hundred seventy-eight thousand, seven hundred forty 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 21118283635216 cubic inches would be around 2303.4 feet tall.

Recreational maths with 21118283635216

• 21118283635216 backwards is 61253638281112
• The number of decimal digits it has is: 14
• The sum of 21118283635216's digits is 49
• More coming soon!