12342990

Names of 12342990

• Cardinal: 12342990 can be written as Twelve million, three hundred forty-two thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.234299 × 10⁷

Factors of 12342990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 465

Divisors of 12342990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 11 15 22 30 33 55 66 110 113 165 226 330 331 339 565 662 678 993 1130 1243 1655 1695 1986 2486 3310 3390 3641 3729 4965 6215 7282 7458 9930 10923 12430 18205 18645 21846 36410 37290 37403 54615 74806 109230 112209 187015 224418 374030 411433 561045 822866 1122090 1234299 2057165 2468598 4114330 6171495 12342990
• Sum of all divisors σ(n): 32700672
• Sum of proper divisors (its aliquot sum) s(n): 20357682
• 12342990 is an abundant number, because the sum of its proper divisors (20357682) is greater than itself. Its abundance is 8014692

Bases of 12342990

• Binary: 101111000101011011001110₂
• Hexadecimal: 0xBC56CE
• Base-36: 7CJWU

Squares and roots of 12342990

• 12342990 squared (12342990²) is 152349402140100
• 12342990 cubed (12342990³) is 1880447147121232899000
• The square root of 12342990 is 3513.2591706277
• The cube root of 12342990 is 231.1036434519

Scales and comparisons

• 12,342,990 seconds is equal to 20 weeks, 2 days, 20 hours, 36 minutes, 30 seconds.
• To count from 1 to 12,342,990 would take you about thirty weeks!

  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 12342990 cubic inches would be around 19.3 feet tall.

Recreational maths with 12342990

• 12342990 backwards is 09924321
• 12342990 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12342990's digits is 30
• More coming soon!