408428664

Names of 408428664

• Cardinal: 408428664 can be written as Four hundred eight million, four hundred twenty-eight thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 4.08428664 × 10⁸

Factors of 408428664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 105736

Divisors of 408428664

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 23 24 28 42 46 56 69 84 92 138 161 168 184 276 322 483 552 644 966 1288 1932 3864 105701 211402 317103 422804 634206 739907 845608 1268412 1479814 2219721 2431123 2536824 2959628 4439442 4862246 5919256 7293369 8878884 9724492 14586738 17017861 17757768 19448984 29173476 34035722 51053583 58346952 68071444 102107166 136142888 204214332 408428664
• Sum of all divisors σ(n): 1217687040
• Sum of proper divisors (its aliquot sum) s(n): 809258376
• 408428664 is an abundant number, because the sum of its proper divisors (809258376) is greater than itself. Its abundance is 400829712

Bases of 408428664

• Binary: 11000010110000010000001111000₂
• Hexadecimal: 0x18582078
• Base-36: 6R61KO

Squares and roots of 408428664

• 408428664 squared (408428664²) is 166813973576824896
• 408428664 cubed (408428664³) is 68131608364513893635218944
• The square root of 408428664 is 20209.6181062383
• The cube root of 408428664 is 741.9456129931

Scales and comparisons

• 408,428,664 seconds is equal to 12 years, 51 weeks, 2 days, 4 hours, 24 minutes, 24 seconds.
• To count from 1 to 408,428,664 would take you about nineteen 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 408428664 cubic inches would be around 61.8 feet tall.

Recreational maths with 408428664

• 408428664 backwards is 466824804
• 408428664 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 408428664's digits is 42
• More coming soon!