428870742

Names of 428870742

• Cardinal: 428870742 can be written as Four hundred twenty-eight million, eight hundred seventy thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 4.28870742 × 10⁸

Factors of 428870742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 629

Divisors of 428870742

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 23 41 46 69 82 123 138 229 246 331 458 662 687 943 993 1374 1886 1986 2829 5267 5658 7613 9389 10534 13571 15226 15801 18778 22839 27142 28167 31602 40713 45678 56334 75799 81426 151598 215947 227397 312133 431894 454794 624266 647841 936399 1295682 1743377 1872798 3107759 3486754 5230131 6215518 9323277 10460262 18646554 71478457 142956914 214435371 428870742
• Sum of all divisors σ(n): 923650560
• Sum of proper divisors (its aliquot sum) s(n): 494779818
• 428870742 is an abundant number, because the sum of its proper divisors (494779818) is greater than itself. Its abundance is 65909076

Bases of 428870742

• Binary: 11001100100000000110001010110₂
• Hexadecimal: 0x19900C56
• Base-36: 73C6S6

Squares and roots of 428870742

• 428870742 squared (428870742²) is 183930113343630564
• 428870742 cubed (428870742³) is 78882244185826940956558488
• The square root of 428870742 is 20709.1946246105
• The cube root of 428870742 is 754.1229187461

Scales and comparisons

• 428,870,742 seconds is equal to 13 years, 33 weeks, 18 hours, 45 minutes, 42 seconds.
• To count from 1 to 428,870,742 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 428870742 cubic inches would be around 62.8 feet tall.

Recreational maths with 428870742

• 428870742 backwards is 247078824
• The number of decimal digits it has is: 9
• The sum of 428870742's digits is 42
• More coming soon!