18117269996542921

Names of 18117269996542921

• Cardinal: 18117269996542921 can be written as Eighteen quadrillion, one hundred seventeen trillion, two hundred sixty-nine billion, nine hundred ninety-six million, five hundred forty-two thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.8117269996542921 × 10¹⁶

Factors of 18117269996542921

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 26813669691

Divisors of 18117269996542921

• Number of divisors d(n): 8
• Complete list of divisors:
  1 181 3733 675673 26813665777 4853273505637 100095414345541 18117269996542921
• Sum of all divisors σ(n): 18222245498739464
• Sum of proper divisors (its aliquot sum) s(n): 104975502196543
• 18117269996542921 is a deficient number, because the sum of its proper divisors (104975502196543) is less than itself. Its deficiency is 18012294494346378

Bases of 18117269996542921

• Binary: 1000000010111011000111110100010011100011001101111001001₂
• Hexadecimal: 0x405D8FA2719BC9
• Base-36: 4YE1AXPW4I1

Squares and roots of 18117269996542921

• 18117269996542921 squared (18117269996542921²) is 328235472127634332703291395212241
• 18117269996542921 cubed (18117269996542921³) is 5946730670979089709107830124469315588801061095961
• The square root of 18117269996542921 is 134600408.6046655395
• The cube root of 18117269996542921 is 262642.0455538607

Scales and comparisons

• 18,117,269,996,542,921 seconds is equal to 576,073,145 years, 25 weeks, 4 days, 23 hours, 42 minutes, 1 second.
• To count from 1 to 18,117,269,996,542,921 would take you about one billion, seven hundred twenty-eight million, two hundred nineteen thousand, four hundred thirty-six 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 18117269996542921 cubic inches would be around 21886.8 feet tall.

Recreational maths with 18117269996542921

• 18117269996542921 backwards is 12924569996271181
• The number of decimal digits it has is: 17
• The sum of 18117269996542921's digits is 82
• More coming soon!