42249886

Names of 42249886

• Cardinal: 42249886 can be written as Forty-two million, two hundred forty-nine thousand, eight hundred eighty-six.

Scientific notation

• Scientific notation: 4.2249886 × 10⁷

Factors of 42249886

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3017858

Divisors of 42249886

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 3017849 6035698 21124943 42249886
• Sum of all divisors σ(n): 72428400
• Sum of proper divisors (its aliquot sum) s(n): 30178514
• 42249886 is a deficient number, because the sum of its proper divisors (30178514) is less than itself. Its deficiency is 12071372

Bases of 42249886

• Binary: 10100001001010111010011110₂
• Hexadecimal: 0x284AE9E
• Base-36: P5K7Y

Squares and roots of 42249886

• 42249886 squared (42249886²) is 1785052867012996
• 42249886 cubed (42249886³) is 75418280135272241518456
• The square root of 42249886 is 6499.9912307633
• The cube root of 42249886 is 348.2906751381

Scales and comparisons

• 42,249,886 seconds is equal to 1 year, 17 weeks, 6 days, 4 minutes, 46 seconds.
• To count from 1 to 42,249,886 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 42249886 cubic inches would be around 29 feet tall.

Recreational maths with 42249886

• 42249886 backwards is 68894224
• The number of decimal digits it has is: 8
• The sum of 42249886's digits is 43
• More coming soon!