42649739343797281

Names of 42649739343797281

• Cardinal: 42649739343797281 can be written as Forty-two quadrillion, six hundred forty-nine trillion, seven hundred thirty-nine billion, three hundred forty-three million, seven hundred ninety-seven thousand, two hundred eighty-one.

Scientific notation

• Scientific notation: 4.2649739343797281 × 10¹⁶

Factors of 42649739343797281

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 67862591

Divisors of 42649739343797281

• Number of divisors d(n): 8
• Complete list of divisors:
  1 10091 62347 67790153 629143577 684070433923 4226512669091 42649739343797281
• Sum of all divisors σ(n): 42654650623906464
• Sum of proper divisors (its aliquot sum) s(n): 4911280109183
• 42649739343797281 is a deficient number, because the sum of its proper divisors (4911280109183) is less than itself. Its deficiency is 42644828063688098

Bases of 42649739343797281

• Binary: 10010111100001011011011001000011010110011001110000100001₂
• Hexadecimal: 0x9785B643599C21
• Base-36: BNY2JRPNQQP

Squares and roots of 42649739343797281

• 42649739343797281 squared (42649739343797281²) is 1819000266093849725315888422992961
• 42649739343797281 cubed (42649739343797281³) is 77579887215200585911286360179970691411536873939041
• The square root of 42649739343797281 is 206518133.2081938053
• The cube root of 42649739343797281 is 349385.9692240111

Scales and comparisons

• 42,649,739,343,797,281 seconds is equal to 1,356,129,786 years, 43 weeks, 1 hour, 28 minutes, 1 second.
• To count from 1 to 42,649,739,343,797,281 would take you about four billion, sixty-eight million, three hundred eighty-nine thousand, three hundred sixty 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 42649739343797281 cubic inches would be around 29115.5 feet tall.

Recreational maths with 42649739343797281

• 42649739343797281 backwards is 18279734393794624
• The number of decimal digits it has is: 17
• The sum of 42649739343797281's digits is 88
• More coming soon!