42899970

Names of 42899970

• Cardinal: 42899970 can be written as Forty-two million, eight hundred ninety-nine thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 4.289997 × 10⁷

Factors of 42899970

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 487

Divisors of 42899970

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 31 62 93 155 163 186 283 310 326 465 489 566 815 849 930 978 1415 1630 1698 2445 2830 4245 4890 5053 8490 8773 10106 15159 17546 25265 26319 30318 43865 46129 50530 52638 75795 87730 92258 131595 138387 151590 230645 263190 276774 461290 691935 1383870 1429999 2859998 4289997 7149995 8579994 14299990 21449985 42899970
• Sum of all divisors σ(n): 107311104
• Sum of proper divisors (its aliquot sum) s(n): 64411134
• 42899970 is an abundant number, because the sum of its proper divisors (64411134) is greater than itself. Its abundance is 21511164

Bases of 42899970

• Binary: 10100011101001101000000010₂
• Hexadecimal: 0x28E9A02
• Base-36: PJHTU

Squares and roots of 42899970

• 42899970 squared (42899970²) is 1840407426000900
• 42899970 cubed (42899970³) is 78953423363215829973000
• The square root of 42899970 is 6549.8068673817
• The cube root of 42899970 is 350.0679323923

Scales and comparisons

• 42,899,970 seconds is equal to 1 year, 18 weeks, 6 days, 12 hours, 39 minutes, 30 seconds.
• To count from 1 to 42,899,970 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 42899970 cubic inches would be around 29.2 feet tall.

Recreational maths with 42899970

• 42899970 backwards is 07999824
• The number of decimal digits it has is: 8
• The sum of 42899970's digits is 48
• More coming soon!