21043050

Names of 21043050

• Cardinal: 21043050 can be written as Twenty-one million, forty-three thousand and fifty.

Scientific notation

• Scientific notation: 2.104305 × 10⁷

Factors of 21043050

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 426

Divisors of 21043050

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 25 30 35 42 49 50 70 75 98 105 147 150 175 210 245 294 343 350 409 490 525 686 735 818 1029 1050 1225 1227 1470 1715 2045 2058 2450 2454 2863 3430 3675 4090 5145 5726 6135 7350 8575 8589 10225 10290 12270 14315 17150 17178 20041 20450 25725 28630 30675 40082 42945 51450 60123 61350 71575 85890 100205 120246 140287 143150 200410 214725 280574 300615 420861 429450 501025 601230 701435 841722 1002050 1402870 1503075 2104305 3006150 3507175 4208610 7014350 10521525 21043050
• Sum of all divisors σ(n): 61008000
• Sum of proper divisors (its aliquot sum) s(n): 39964950
• 21043050 is an abundant number, because the sum of its proper divisors (39964950) is greater than itself. Its abundance is 18921900

Bases of 21043050

• Binary: 1010000010001011101101010₂
• Hexadecimal: 0x141176A
• Base-36: CJ0X6

Squares and roots of 21043050

• 21043050 squared (21043050²) is 442809953302500
• 21043050 cubed (21043050³) is 9318071987842172625000
• The square root of 21043050 is 4587.2704302231
• The cube root of 21043050 is 276.0808154435

Scales and comparisons

• 21,043,050 seconds is equal to 34 weeks, 5 days, 13 hours, 17 minutes, 30 seconds.
• To count from 1 to 21,043,050 would take you about seven hours!

  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 21043050 cubic inches would be around 23 feet tall.

Recreational maths with 21043050

• 21043050 backwards is 05034012
• 21043050 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21043050's digits is 15
• More coming soon!