21338613465448

Names of 21338613465448

• Cardinal: 21338613465448 can be written as Twenty-one trillion, three hundred thirty-eight billion, six hundred thirteen million, four hundred sixty-five thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 2.1338613465448 × 10¹³

Factors of 21338613465448

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1712

Divisors of 21338613465448

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 101 202 404 808 1609 3218 6436 10201 12872 20402 40804 81608 162509 325018 650036 1030301 1300072 2060602 2588881 4121204 5177762 8242408 10355524 16413409 20711048 32826818 65653636 131307272 261476981 522953962 1045907924 1657754309 2091815848 3315508618 6631017236 13262034472 26409175081 52818350162 105636700324 211273400648 2667326683181 5334653366362 10669306732724 21338613465448
• Sum of all divisors σ(n): 40435129448460
• Sum of proper divisors (its aliquot sum) s(n): 19096515983012
• 21338613465448 is a deficient number, because the sum of its proper divisors (19096515983012) is less than itself. Its deficiency is 2242097482436

Bases of 21338613465448

• Binary: 100110110100001001000011110011100000101101000₂
• Hexadecimal: 0x13684879C168
• Base-36: 7KATNIDT4

Squares and roots of 21338613465448

• 21338613465448 squared (21338613465448²) is 455336424627798703889840704
• 21338613465448 cubed (21338613465448³) is 9716247961871693754366556542422127995392
• The square root of 21338613465448 is 4619373.7092216299
• The cube root of 21338613465448 is 27736.7389347317

Scales and comparisons

• 21,338,613,465,448 seconds is equal to 678,501 years, 46 weeks, 6 days, 21 hours, 17 minutes, 28 seconds.
• To count from 1 to 21,338,613,465,448 would take you about one million, six hundred ninety-six thousand, two hundred fifty-four 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 21338613465448 cubic inches would be around 2311.4 feet tall.

Recreational maths with 21338613465448

• 21338613465448 backwards is 84456431683312
• The number of decimal digits it has is: 14
• The sum of 21338613465448's digits is 58
• More coming soon!