21336867518999231

Names of 21336867518999231

• Cardinal: 21336867518999231 can be written as Twenty-one quadrillion, three hundred thirty-six trillion, eight hundred sixty-seven billion, five hundred eighteen million, nine hundred ninety-nine thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 2.1336867518999231 × 10¹⁶

Factors of 21336867518999231

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 56300318

Divisors of 21336867518999231

• Number of divisors d(n): 16
• Complete list of divisors:
  1 19 73 1387 274579 5217001 20044267 56025647 380841073 1064487293 4089872231 77707572389 15383466127613 292285856424647 1122993027315749 21336867518999231
• Sum of all divisors σ(n): 22767613193203200
• Sum of proper divisors (its aliquot sum) s(n): 1430745674203969
• 21336867518999231 is a deficient number, because the sum of its proper divisors (1430745674203969) is less than itself. Its deficiency is 19906121844795262

Bases of 21336867518999231

• Binary: 1001011110011011100010010011001000101101110101010111111₂
• Hexadecimal: 0x4BCDC49916EABF
• Base-36: 5U3ADMB7UTB

Squares and roots of 21336867518999231

• 21336867518999231 squared (21336867518999231²) is 455261915523324399258755778591361
• 21336867518999231 cubed (21336867518999231³) is 9713863177966992165031296412116536111709622243391
• The square root of 21336867518999231 is 146071446.6245858435
• The cube root of 21336867518999231 is 277359.8243163207

Scales and comparisons

• 21,336,867,518,999,231 seconds is equal to 678,446,387 years, 43 weeks, 4 days, 14 hours, 27 minutes, 11 seconds.
• To count from 1 to 21,336,867,518,999,231 would take you about two billion, thirty-five million, three hundred thirty-nine thousand, one hundred sixty-three 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 21336867518999231 cubic inches would be around 23113.3 feet tall.

Recreational maths with 21336867518999231

• 21336867518999231 backwards is 13299981576863312
• The number of decimal digits it has is: 17
• The sum of 21336867518999231's digits is 83
• More coming soon!