42649590

Names of 42649590

• Cardinal: 42649590 can be written as Forty-two million, six hundred forty-nine thousand, five hundred ninety.

Scientific notation

• Scientific notation: 4.264959 × 10⁷

Factors of 42649590

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 693

Divisors of 42649590

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 23 30 46 69 113 115 138 226 230 339 345 547 565 678 690 1094 1130 1641 1695 2599 2735 3282 3390 5198 5470 7797 8205 12581 12995 15594 16410 25162 25990 37743 38985 61811 62905 75486 77970 123622 125810 185433 188715 309055 370866 377430 618110 927165 1421653 1854330 2843306 4264959 7108265 8529918 14216530 21324795 42649590
• Sum of all divisors σ(n): 107951616
• Sum of proper divisors (its aliquot sum) s(n): 65302026
• 42649590 is an abundant number, because the sum of its proper divisors (65302026) is greater than itself. Its abundance is 22652436

Bases of 42649590

• Binary: 10100010101100011111110110₂
• Hexadecimal: 0x28AC7F6
• Base-36: PE4MU

Squares and roots of 42649590

• 42649590 squared (42649590²) is 1818987527168100
• 42649590 cubed (42649590³) is 77579072248833326079000
• The square root of 42649590 is 6530.6653566081
• The cube root of 42649590 is 349.3855614161

Scales and comparisons

• 42,649,590 seconds is equal to 1 year, 18 weeks, 3 days, 15 hours, 6 minutes, 30 seconds.
• To count from 1 to 42,649,590 would take you about two 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 42649590 cubic inches would be around 29.1 feet tall.

Recreational maths with 42649590

• 42649590 backwards is 09594624
• The number of decimal digits it has is: 8
• The sum of 42649590's digits is 39
• More coming soon!