2642239490

Names of 2642239490

• Cardinal: 2642239490 can be written as Two billion, six hundred forty-two million, two hundred thirty-nine thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.64223949 × 10⁹

Factors of 2642239490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1242

Divisors of 2642239490

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 5 10 11 22 43 55 86 110 121 215 242 430 473 605 946 1181 1210 1849 2362 2365 3698 4730 5203 5905 9245 10406 11810 12991 18490 20339 25982 26015 40678 50783 52030 64955 101566 101695 129910 142901 203390 223729 253915 285802 447458 507830 558613 714505 1117226 1118645 1429010 2183669 2237290 2793065 4367338 5586130 6144743 10918345 12289486 21836690 24020359 30723715 48040718 61447430 120101795 240203590 264223949 528447898 1321119745 2642239490
• Sum of all divisors σ(n): 5356637244
• Sum of proper divisors (its aliquot sum) s(n): 2714397754
• 2642239490 is an abundant number, because the sum of its proper divisors (2714397754) is greater than itself. Its abundance is 72158264

Bases of 2642239490

• Binary: 10011101011111010110000000000010₂
• Hexadecimal: 0x9D7D6002
• Base-36: 17P4D1E

Squares and roots of 2642239490

• 2642239490 squared (2642239490²) is 6981429522515460100
• 2642239490 cubed (2642239490³) is 18446608781042192811739349000
• The square root of 2642239490 is 51402.7187024189
• The cube root of 2642239490 is 1382.4753391785

Scales and comparisons

• 2,642,239,490 seconds is equal to 84 years, 5 days, 11 hours, 24 minutes, 50 seconds.
• To count from 1 to 2,642,239,490 would take you about one hundred sixty-eight 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 2642239490 cubic inches would be around 115.2 feet tall.

Recreational maths with 2642239490

• 2642239490 backwards is 0949322462
• The number of decimal digits it has is: 10
• The sum of 2642239490's digits is 41
• More coming soon!