428231328

Names of 428231328

• Cardinal: 428231328 can be written as Four hundred twenty-eight million, two hundred thirty-one thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 4.28231328 × 10⁸

Factors of 428231328

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2698

Divisors of 428231328

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 263 336 526 672 789 1052 1578 1841 2104 2423 3156 3682 4208 4846 5523 6312 7269 7364 8416 9692 11046 12624 14538 14728 16961 19384 22092 25248 29076 29456 33922 38768 44184 50883 58152 58912 67844 77536 88368 101766 116304 135688 176736 203532 232608 271376 407064 542752 637249 814128 1274498 1628256 1911747 2548996 3823494 4460743 5097992 7646988 8921486 10195984 13382229 15293976 17842972 20391968 26764458 30587952 35685944 53528916 61175904 71371888 107057832 142743776 214115664 428231328
• Sum of all divisors σ(n): 1290110976
• Sum of proper divisors (its aliquot sum) s(n): 861879648
• 428231328 is an abundant number, because the sum of its proper divisors (861879648) is greater than itself. Its abundance is 433648320

Bases of 428231328

• Binary: 11001100001100100101010100000₂
• Hexadecimal: 0x19864AA0
• Base-36: 72YHEO

Squares and roots of 428231328

• 428231328 squared (428231328²) is 183382070280643584
• 428231328 cubed (428231328³) is 78529947487669334670999552
• The square root of 428231328 is 20693.7509408035
• The cube root of 428231328 is 753.7479521627

Scales and comparisons

• 428,231,328 seconds is equal to 13 years, 32 weeks, 9 hours, 8 minutes, 48 seconds.
• To count from 1 to 428,231,328 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 428231328 cubic inches would be around 62.8 feet tall.

Recreational maths with 428231328

• 428231328 backwards is 823132824
• The number of decimal digits it has is: 9
• The sum of 428231328's digits is 33
• More coming soon!