42638803

Names of 42638803

• Cardinal: 42638803 can be written as Forty-two million, six hundred thirty-eight thousand, eight hundred three.

Scientific notation

• Scientific notation: 4.2638803 × 10⁷

Factors of 42638803

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1853884

Divisors of 42638803

• Number of divisors d(n): 4
• Complete list of divisors:
  1 23 1853861 42638803
• Sum of all divisors σ(n): 44492688
• Sum of proper divisors (its aliquot sum) s(n): 1853885
• 42638803 is a deficient number, because the sum of its proper divisors (1853885) is less than itself. Its deficiency is 40784918

Bases of 42638803

• Binary: 10100010101001110111010011₂
• Hexadecimal: 0x28A9DD3
• Base-36: PDWB7

Squares and roots of 42638803

• 42638803 squared (42638803²) is 1818067521272809
• 42638803 cubed (42638803³) is 77520222880249612207627
• The square root of 42638803 is 6529.8394314103
• The cube root of 42638803 is 349.3561032209

Scales and comparisons

• 42,638,803 seconds is equal to 1 year, 18 weeks, 3 days, 12 hours, 6 minutes, 43 seconds.
• To count from 1 to 42,638,803 would take you about two 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 42638803 cubic inches would be around 29.1 feet tall.

Recreational maths with 42638803

• 42638803 backwards is 30883624
• The number of decimal digits it has is: 8
• The sum of 42638803's digits is 34
• More coming soon!