2489649990

Names of 2489649990

• Cardinal: 2489649990 can be written as Two billion, four hundred eighty-nine million, six hundred forty-nine thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.48964999 × 10⁹

Factors of 2489649990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 140957

Divisors of 2489649990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 19 30 31 38 57 62 93 95 114 155 186 190 285 310 465 570 589 930 1178 1767 2945 3534 5890 8835 17670 140897 281794 422691 704485 845382 1408970 2113455 2677043 4226910 4367807 5354086 8031129 8735614 13103421 13385215 16062258 21839035 26206842 26770430 40155645 43678070 65517105 80311290 82988333 131034210 165976666 248964999 414941665 497929998 829883330 1244824995 2489649990
• Sum of all divisors σ(n): 6492579840
• Sum of proper divisors (its aliquot sum) s(n): 4002929850
• 2489649990 is an abundant number, because the sum of its proper divisors (4002929850) is greater than itself. Its abundance is 1513279860

Bases of 2489649990

• Binary: 10010100011001010000101101000110₂
• Hexadecimal: 0x94650B46
• Base-36: 1569U86

Squares and roots of 2489649990

• 2489649990 squared (2489649990²) is 6198357072707000100
• 2489649990 cubed (2489649990³) is 15431739624081412071894999000
• The square root of 2489649990 is 49896.3925549733
• The cube root of 2489649990 is 1355.3332676977

Scales and comparisons

• 2,489,649,990 seconds is equal to 79 years, 8 weeks, 3 days, 9 hours, 26 minutes, 30 seconds.
• To count from 1 to 2,489,649,990 would take you about one hundred fifty-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 2489649990 cubic inches would be around 112.9 feet tall.

Recreational maths with 2489649990

• 2489649990 backwards is 0999469842
• The number of decimal digits it has is: 10
• The sum of 2489649990's digits is 60
• More coming soon!