428400804

Names of 428400804

• Cardinal: 428400804 can be written as Four hundred twenty-eight million, four hundred thousand, eight hundred four.

Scientific notation

• Scientific notation: 4.28400804 × 10⁸

Factors of 428400804

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3542

Divisors of 428400804

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 12 13 26 39 52 61 78 122 156 169 183 244 338 366 507 676 732 793 1014 1586 2028 2379 3172 3463 4758 6926 9516 10309 10389 13852 20618 20778 30927 41236 41556 45019 61854 90038 123708 135057 180076 211243 270114 422486 540228 585247 633729 844972 1170494 1267458 1755741 2340988 2534916 2746159 3511482 5492318 7022964 8238477 10984636 16476954 32953908 35700067 71400134 107100201 142800268 214200402 428400804
• Sum of all divisors σ(n): 1100471232
• Sum of proper divisors (its aliquot sum) s(n): 672070428
• 428400804 is an abundant number, because the sum of its proper divisors (672070428) is greater than itself. Its abundance is 243669624

Bases of 428400804

• Binary: 11001100010001110000010100100₂
• Hexadecimal: 0x1988E0A4
• Base-36: 73246C

Squares and roots of 428400804

• 428400804 squared (428400804²) is 183527248867846416
• 428400804 cubed (428400804³) is 78623220970893494362918464
• The square root of 428400804 is 20697.8453951129
• The cube root of 428400804 is 753.8473729911

Scales and comparisons

• 428,400,804 seconds is equal to 13 years, 32 weeks, 2 days, 8 hours, 13 minutes, 24 seconds.
• To count from 1 to 428,400,804 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 428400804 cubic inches would be around 62.8 feet tall.

Recreational maths with 428400804

• 428400804 backwards is 408004824
• The number of decimal digits it has is: 9
• The sum of 428400804's digits is 30
• More coming soon!