18964837291028464

Names of 18964837291028464

• Cardinal: 18964837291028464 can be written as Eighteen quadrillion, nine hundred sixty-four trillion, eight hundred thirty-seven billion, two hundred ninety-one million, twenty-eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8964837291028464 × 10¹⁶

Factors of 18964837291028464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 20977963

Divisors of 18964837291028464

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 11 16 22 44 88 176 8984369 11993581 17968738 23987162 35937476 47974324 71874952 95948648 98828059 131929391 143749904 191897296 197656118 263858782 395312236 527717564 790624472 1055435128 1581248944 2110870256 107754757335389 215509514670778 431019029341556 862038058683112 1185302330689279 1724076117366224 2370604661378558 4741209322757116 9482418645514232 18964837291028464
• Sum of all divisors σ(n): 40084777532562480
• Sum of proper divisors (its aliquot sum) s(n): 21119940241534016
• 18964837291028464 is an abundant number, because the sum of its proper divisors (21119940241534016) is greater than itself. Its abundance is 2155102950505552

Bases of 18964837291028464

• Binary: 1000011011000000110101101000101111101000110111111110000₂
• Hexadecimal: 0x43606B45F46FF0
• Base-36: 56QH1Z5HN1S

Squares and roots of 18964837291028464

• 18964837291028464 squared (18964837291028464²) is 359665053475183848938302858199296
• 18964837291028464 cubed (18964837291028464³) is 6820989218425913307508154436506073743302920761344
• The square root of 18964837291028464 is 137712879.9024567055
• The cube root of 18964837291028464 is 266675.4522900187

Scales and comparisons

• 18,964,837,291,028,464 seconds is equal to 603,023,163 years, 39 weeks, 4 days, 3 hours, 1 minute, 4 seconds.
• To count from 1 to 18,964,837,291,028,464 would take you about one billion, eight hundred nine million, sixty-nine thousand, four hundred ninety-one 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 18964837291028464 cubic inches would be around 22223 feet tall.

Recreational maths with 18964837291028464

• 18964837291028464 backwards is 46482019273846981
• The number of decimal digits it has is: 17
• The sum of 18964837291028464's digits is 82
• More coming soon!