6444974568

Names of 6444974568

• Cardinal: 6444974568 can be written as Six billion, four hundred forty-four million, nine hundred seventy-four thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 6.444974568 × 10⁹

Factors of 6444974568

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4734

Divisors of 6444974568

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 24 83 166 249 332 498 664 853 996 1706 1992 2559 3412 3793 5118 6824 7586 10236 11379 15172 20472 22758 30344 45516 70799 91032 141598 212397 283196 314819 424794 566392 629638 849588 944457 1259276 1699176 1888914 2518552 3235429 3777828 6470858 7555656 9706287 12941716 19412574 25883432 38825148 77650296 268540607 537081214 805621821 1074162428 1611243642 2148324856 3222487284 6444974568
• Sum of all divisors σ(n): 16329983040
• Sum of proper divisors (its aliquot sum) s(n): 9885008472
• 6444974568 is an abundant number, because the sum of its proper divisors (9885008472) is greater than itself. Its abundance is 3440033904

Bases of 6444974568

• Binary: 110000000001001101000000111101000₂
• Hexadecimal: 0x1802681E8
• Base-36: 2YL667C

Squares and roots of 6444974568

• 6444974568 squared (6444974568²) is 41537697182166786624
• 6444974568 cubed (6444974568³) is 267709401952350202925962578432
• The square root of 6444974568 is 80280.5989514279
• The cube root of 6444974568 is 1860.9744160153

Scales and comparisons

• 6,444,974,568 seconds is equal to 204 years, 48 weeks, 2 days, 14 hours, 42 minutes, 48 seconds.
• To count from 1 to 6,444,974,568 would take you about four hundred nine 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 6444974568 cubic inches would be around 155.1 feet tall.

Recreational maths with 6444974568

• 6444974568 backwards is 8654794446
• The number of decimal digits it has is: 10
• The sum of 6444974568's digits is 57
• More coming soon!