6439605942

Names of 6439605942

• Cardinal: 6439605942 can be written as Six billion, four hundred thirty-nine million, six hundred five thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 6.439605942 × 10⁹

Factors of 6439605942

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 23593

Divisors of 6439605942

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 607 1214 1821 3642 4249 6677 8498 12747 13354 20031 22963 25494 40062 45926 46739 68889 93478 137778 140217 160741 252593 280434 321482 482223 505186 757779 964446 1515558 1768151 3536302 5304453 10608906 13938541 27877082 41815623 83631246 97569787 153323951 195139574 292709361 306647902 459971853 585418722 919943706 1073267657 2146535314 3219802971 6439605942
• Sum of all divisors σ(n): 16084353024
• Sum of proper divisors (its aliquot sum) s(n): 9644747082
• 6439605942 is an abundant number, because the sum of its proper divisors (9644747082) is greater than itself. Its abundance is 3205141140

Bases of 6439605942

• Binary: 101111111110101001001011010110110₂
• Hexadecimal: 0x17FD496B6
• Base-36: 2YHZ3QU

Squares and roots of 6439605942

• 6439605942 squared (6439605942²) is 41468524688241707364
• 6439605942 cubed (6439605942³) is 267040957988374996273439556888
• The square root of 6439605942 is 80247.1553514515
• The cube root of 6439605942 is 1860.4575455491

Scales and comparisons

• 6,439,605,942 seconds is equal to 204 years, 39 weeks, 3 days, 11 hours, 25 minutes, 42 seconds.
• To count from 1 to 6,439,605,942 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 6439605942 cubic inches would be around 155 feet tall.

Recreational maths with 6439605942

• 6439605942 backwards is 2495069346
• The number of decimal digits it has is: 10
• The sum of 6439605942's digits is 48
• More coming soon!