40103742

Names of 40103742

• Cardinal: 40103742 can be written as Forty million, one hundred three thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 4.0103742 × 10⁷

Factors of 40103742

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 954863

Divisors of 40103742

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 7 14 21 42 954851 1909702 2864553 5729106 6683957 13367914 20051871 40103742
• Sum of all divisors σ(n): 91665792
• Sum of proper divisors (its aliquot sum) s(n): 51562050
• 40103742 is an abundant number, because the sum of its proper divisors (51562050) is greater than itself. Its abundance is 11458308

Bases of 40103742

• Binary: 10011000111110111100111110₂
• Hexadecimal: 0x263EF3E
• Base-36: NVK8U

Squares and roots of 40103742

• 40103742 squared (40103742²) is 1608310122402564
• 40103742 cubed (40103742³) is 64499254204820846794488
• The square root of 40103742 is 6332.7515346807
• The cube root of 40103742 is 342.2905946407

Scales and comparisons

• 40,103,742 seconds is equal to 1 year, 14 weeks, 2 days, 3 hours, 55 minutes, 42 seconds.
• To count from 1 to 40,103,742 would take you about forty-seven weeks!

  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 40103742 cubic inches would be around 28.5 feet tall.

Recreational maths with 40103742

• 40103742 backwards is 24730104
• 40103742 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40103742's digits is 21
• More coming soon!