6400994622

Names of 6400994622

• Cardinal: 6400994622 can be written as Six billion, four hundred million, nine hundred ninety-four thousand, six hundred twenty-two.

Scientific notation

• Scientific notation: 6.400994622 × 10⁹

Factors of 6400994622

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 34888

Divisors of 6400994622

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 11 22 23 33 46 66 69 121 138 242 253 363 506 726 759 1331 1518 2662 2783 3993 5566 7986 8349 16698 30613 34849 61226 69698 91839 104547 183678 209094 383339 766678 801527 1150017 1603054 2300034 2404581 4216729 4809162 8433458 8816797 12650187 17633594 25300374 26450391 46384019 52900782 92768038 96984767 139152057 193969534 278304114 290954301 581908602 1066832437 2133664874 3200497311 6400994622
• Sum of all divisors σ(n): 14693875200
• Sum of proper divisors (its aliquot sum) s(n): 8292880578
• 6400994622 is an abundant number, because the sum of its proper divisors (8292880578) is greater than itself. Its abundance is 1891885956

Bases of 6400994622

• Binary: 101111101100001110110110100111110₂
• Hexadecimal: 0x17D876D3E
• Base-36: 2XUZJ26

Squares and roots of 6400994622

• 6400994622 squared (6400994622²) is 40972732150872922884
• 6400994622 cubed (6400994622³) is 262266238146384071985904729848
• The square root of 6400994622 is 80006.2161459971
• The cube root of 6400994622 is 1856.7317081791

Scales and comparisons

• 6,400,994,622 seconds is equal to 203 years, 27 weeks, 4 days, 14 hours, 3 minutes, 42 seconds.
• To count from 1 to 6,400,994,622 would take you about four hundred seven 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 6400994622 cubic inches would be around 154.7 feet tall.

Recreational maths with 6400994622

• 6400994622 backwards is 2264990046
• The number of decimal digits it has is: 10
• The sum of 6400994622's digits is 42
• More coming soon!