6439442430

Names of 6439442430

• Cardinal: 6439442430 can be written as Six billion, four hundred thirty-nine million, four hundred forty-two thousand, four hundred thirty.

Scientific notation

• Scientific notation: 6.43944243 × 10⁹

Factors of 6439442430

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 19693

Divisors of 6439442430

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 61 122 181 183 305 362 366 543 610 905 915 1086 1810 1830 2715 5430 11041 19441 22082 33123 38882 55205 58323 66246 97205 110410 116646 165615 194410 291615 331230 583230 1185901 2371802 3518821 3557703 5929505 7037642 7115406 10556463 11859010 17594105 17788515 21112926 35188210 35577030 52782315 105564630 214648081 429296162 643944243 1073240405 1287888486 2146480810 3219721215 6439442430
• Sum of all divisors σ(n): 15795614016
• Sum of proper divisors (its aliquot sum) s(n): 9356171586
• 6439442430 is an abundant number, because the sum of its proper divisors (9356171586) is greater than itself. Its abundance is 2916729156

Bases of 6439442430

• Binary: 101111111110100100001011111111110₂
• Hexadecimal: 0x17FD217FE
• Base-36: 2YHVLKU

Squares and roots of 6439442430

• 6439442430 squared (6439442430²) is 41466418809284304900
• 6439442430 cubed (6439442430³) is 267020616700655430906116907000
• The square root of 6439442430 is 80246.1365425153
• The cube root of 6439442430 is 1860.4417987413

Scales and comparisons

• 6,439,442,430 seconds is equal to 204 years, 39 weeks, 1 day, 14 hours, 30 seconds.
• To count from 1 to 6,439,442,430 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 6439442430 cubic inches would be around 155 feet tall.

Recreational maths with 6439442430

• 6439442430 backwards is 0342449346
• The number of decimal digits it has is: 10
• The sum of 6439442430's digits is 39
• More coming soon!