420945120

Names of 420945120

• Cardinal: 420945120 can be written as Four hundred twenty million, nine hundred forty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 4.2094512 × 10⁸

Factors of 420945120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 97451

Divisors of 420945120

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 4320 97441 194882 292323 389764 487205 584646 779528 876969 974410 1169292 1461615 1559056 1753938 1948820 2338584 2630907 2923230 3118112 3507876 3897640 4384845 4677168 5261814 5846460 7015752 7795280 8769690 9354336 10523628 11692920 13154535 14031504 15590560 17539380 21047256 23385840 26309070 28063008 35078760 42094512 46771680 52618140 70157520 84189024 105236280 140315040 210472560 420945120
• Sum of all divisors σ(n): 1473323040
• Sum of proper divisors (its aliquot sum) s(n): 1052377920
• 420945120 is an abundant number, because the sum of its proper divisors (1052377920) is greater than itself. Its abundance is 631432800

Bases of 420945120

• Binary: 11001000101110001110011100000₂
• Hexadecimal: 0x19171CE0
• Base-36: 6YMBC0

Squares and roots of 420945120

• 420945120 squared (420945120²) is 177194794051814400
• 420945120 cubed (420945120³) is 74589283845516298825728000
• The square root of 420945120 is 20516.9471413269
• The cube root of 420945120 is 749.4485546433

Scales and comparisons

• 420,945,120 seconds is equal to 13 years, 20 weeks, 1 hour, 12 minutes.
• To count from 1 to 420,945,120 would take you about twenty 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 420945120 cubic inches would be around 62.5 feet tall.

Recreational maths with 420945120

• 420945120 backwards is 021549024
• 420945120 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 420945120's digits is 27
• More coming soon!