428313990

Names of 428313990

• Cardinal: 428313990 can be written as Four hundred twenty-eight million, three hundred thirteen thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 4.2831399 × 10⁸

Factors of 428313990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2281

Divisors of 428313990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 709 1418 1549 2127 3098 3545 4254 4647 7090 7745 9217 9294 10635 15490 18434 20137 21270 23235 27651 40274 46085 46470 55302 60411 92170 100685 120822 138255 201370 276510 302055 604110 1098241 2196482 3294723 5491205 6589446 10982410 14277133 16473615 28554266 32947230 42831399 71385665 85662798 142771330 214156995 428313990
• Sum of all divisors σ(n): 1109304000
• Sum of proper divisors (its aliquot sum) s(n): 680990010
• 428313990 is an abundant number, because the sum of its proper divisors (680990010) is greater than itself. Its abundance is 252676020

Bases of 428313990

• Binary: 11001100001111000110110000110₂
• Hexadecimal: 0x19878D86
• Base-36: 73096U

Squares and roots of 428313990

• 428313990 squared (428313990²) is 183452874029720100
• 428313990 cubed (428313990³) is 78575432452636794614199000
• The square root of 428313990 is 20695.7481140451
• The cube root of 428313990 is 753.7964479957

Scales and comparisons

• 428,313,990 seconds is equal to 13 years, 32 weeks, 1 day, 8 hours, 6 minutes, 30 seconds.
• To count from 1 to 428,313,990 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 428313990 cubic inches would be around 62.8 feet tall.

Recreational maths with 428313990

• 428313990 backwards is 099313824
• 428313990 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 428313990's digits is 39
• More coming soon!