428820930

Names of 428820930

• Cardinal: 428820930 can be written as Four hundred twenty-eight million, eight hundred twenty thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 4.2882093 × 10⁸

Factors of 428820930

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 557

Divisors of 428820930

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 90 103 167 206 277 309 334 501 515 554 618 831 835 927 1002 1030 1385 1503 1545 1662 1670 1854 2493 2505 2770 3006 3090 4155 4635 4986 5010 7515 8310 9270 12465 15030 17201 24930 28531 34402 46259 51603 57062 85593 86005 92518 103206 138777 142655 154809 171186 172010 231295 256779 258015 277554 285310 309618 416331 427965 462590 513558 516030 693885 774045 832662 855930 1283895 1387770 1548090 2081655 2567790 4163310 4764677 9529354 14294031 23823385 28588062 42882093 47646770 71470155 85764186 142940310 214410465 428820930
• Sum of all divisors σ(n): 1136588544
• Sum of proper divisors (its aliquot sum) s(n): 707767614
• 428820930 is an abundant number, because the sum of its proper divisors (707767614) is greater than itself. Its abundance is 278946684

Bases of 428820930

• Binary: 11001100011110100100111000010₂
• Hexadecimal: 0x198F49C2
• Base-36: 73B4CI

Squares and roots of 428820930

• 428820930 squared (428820930²) is 183887390006064900
• 428820930 cubed (428820930³) is 78854761597673456058357000
• The square root of 428820930 is 20707.9919354823
• The cube root of 428820930 is 754.0937212735

Scales and comparisons

• 428,820,930 seconds is equal to 13 years, 33 weeks, 4 hours, 55 minutes, 30 seconds.
• To count from 1 to 428,820,930 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 428820930 cubic inches would be around 62.8 feet tall.

Recreational maths with 428820930

• 428820930 backwards is 039028824
• The number of decimal digits it has is: 9
• The sum of 428820930's digits is 36
• More coming soon!