427945842

Names of 427945842

• Cardinal: 427945842 can be written as Four hundred twenty-seven million, nine hundred forty-five thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 4.27945842 × 10⁸

Factors of 427945842

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 191

Divisors of 427945842

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 83 103 162 166 206 243 249 309 486 498 618 747 927 1494 1854 2241 2781 4482 5562 6723 8343 8549 10609 13446 16686 17098 20169 21218 25029 25647 31827 40338 50058 51294 63654 76941 95481 153882 190962 230823 286443 461646 572886 692469 859329 880547 1384938 1718658 1761094 2077407 2577987 2641641 4154814 5155974 5283282 7924923 15849846 23774769 47549538 71324307 142648614 213972921 427945842
• Sum of all divisors σ(n): 982682064
• Sum of proper divisors (its aliquot sum) s(n): 554736222
• 427945842 is an abundant number, because the sum of its proper divisors (554736222) is greater than itself. Its abundance is 126790380

Bases of 427945842

• Binary: 11001100000011110111101110010₂
• Hexadecimal: 0x1981EF72
• Base-36: 72SD4I

Squares and roots of 427945842

• 427945842 squared (427945842²) is 183137643685088964
• 427945842 cubed (427945842³) is 78372993128711379543887688
• The square root of 427945842 is 20686.8519112985
• The cube root of 427945842 is 753.5804162929

Scales and comparisons

• 427,945,842 seconds is equal to 13 years, 31 weeks, 4 days, 1 hour, 50 minutes, 42 seconds.
• To count from 1 to 427,945,842 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 427945842 cubic inches would be around 62.8 feet tall.

Recreational maths with 427945842

• 427945842 backwards is 248549724
• The number of decimal digits it has is: 9
• The sum of 427945842's digits is 45
• More coming soon!