420189168400

Names of 420189168400

• Cardinal: 420189168400 can be written as Four hundred twenty billion, one hundred eighty-nine million, one hundred sixty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 4.201891684 × 10¹¹

Factors of 420189168400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 32418

Divisors of 420189168400

• Number of divisors d(n): 45
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 32411 64822 129644 162055 259288 324110 518576 648220 810275 1296440 1620550 2592880 3241100 6482200 12964400 1050472921 2100945842 4201891684 5252364605 8403783368 10504729210 16807566736 21009458420 26261823025 42018916840 52523646050 84037833680 105047292100 210094584200 420189168400
• Sum of all divisors σ(n): 1009535625013
• Sum of proper divisors (its aliquot sum) s(n): 589346456613
• 420189168400 is an abundant number, because the sum of its proper divisors (589346456613) is greater than itself. Its abundance is 169157288213

Bases of 420189168400

• Binary: 110000111010101001110011110001100010000₂
• Hexadecimal: 0x61D539E310
• Base-36: 5D15S5CG

Squares and roots of 420189168400

• 420189168400 squared (420189168400²) is 176558937240683558560000
• 420189168400 cubed (420189168400³) is 74188153012750615118879101504000000
• 420189168400 is a perfect square number. Its square root is 648220
• The cube root of 420189168400 is 7489.9965502125

Scales and comparisons

• 420,189,168,400 seconds is equal to 13,360 years, 37 weeks, 1 day, 13 hours, 26 minutes, 40 seconds.
• To count from 1 to 420,189,168,400 would take you about twenty-six thousand, seven hundred twenty-one 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 420189168400 cubic inches would be around 624.2 feet tall.

Recreational maths with 420189168400

• 420189168400 backwards is 004861981024
• The number of decimal digits it has is: 12
• The sum of 420189168400's digits is 43
• More coming soon!