2142247

Names of 2142247

• Cardinal: 2142247 can be written as Two million, one hundred forty-two thousand, two hundred forty-seven.

Scientific notation

• Scientific notation: 2.142247 × 10⁶

Factors of 2142247

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 20128

Divisors of 2142247

• Number of divisors d(n): 4
• Complete list of divisors:
  1 107 20021 2142247
• Sum of all divisors σ(n): 2162376
• Sum of proper divisors (its aliquot sum) s(n): 20129
• 2142247 is a deficient number, because the sum of its proper divisors (20129) is less than itself. Its deficiency is 2122118

Bases of 2142247

• Binary: 1000001011000000100111₂
• Hexadecimal: 0x20B027
• Base-36: 19WYV

Squares and roots of 2142247

• 2142247 squared (2142247²) is 4589222209009
• 2142247 cubed (2142247³) is 9831247509582903223
• The square root of 2142247 is 1463.6416911253
• The cube root of 2142247 is 128.9109615333

Scales and comparisons

• 2,142,247 seconds is equal to 3 weeks, 3 days, 19 hours, 4 minutes, 7 seconds.
• To count from 1 to 2,142,247 would take you about five 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 2142247 cubic inches would be around 10.7 feet tall.

Recreational maths with 2142247

• 2142247 backwards is 7422412
• The number of decimal digits it has is: 7
• The sum of 2142247's digits is 22
• More coming soon!