19491030990

Names of 19491030990

• Cardinal: 19491030990 can be written as Nineteen billion, four hundred ninety-one million, thirty thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.949103099 × 10¹⁰

Factors of 19491030990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 28811

Divisors of 19491030990

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 331 345 414 662 690 993 1035 1655 1986 2070 2979 3310 4965 5958 7613 9930 14895 15226 22839 28447 29790 38065 45678 56894 68517 76130 85341 114195 137034 142235 170682 228390 256023 284470 342585 426705 512046 654281 685170 853410 1280115 1308562 1962843 2560230 3271405 3925686 5888529 6542810 9415957 9814215 11777058 18831914 19628430 28247871 29442645 47079785 56495742 58885290 84743613 94159570 141239355 169487226 216567011 282478710 423718065 433134022 649701033 847436130 1082835055 1299402066 1949103099 2165670110 3248505165 3898206198 6497010330 9745515495 19491030990
• Sum of all divisors σ(n): 53041637376
• Sum of proper divisors (its aliquot sum) s(n): 33550606386
• 19491030990 is an abundant number, because the sum of its proper divisors (33550606386) is greater than itself. Its abundance is 14059575396

Bases of 19491030990

• Binary: 10010001001110000011000011111001110₂
• Hexadecimal: 0x489C187CE
• Base-36: 8YCGFRI

Squares and roots of 19491030990

• 19491030990 squared (19491030990²) is 379900289053140380100
• 19491030990 cubed (19491030990³) is 7404648307044716905349479299000
• The square root of 19491030990 is 139610.2825367817
• The cube root of 19491030990 is 2691.1935753421

Scales and comparisons

• 19,491,030,990 seconds is equal to 619 years, 39 weeks, 1 day, 15 hours, 16 minutes, 30 seconds.
• To count from 1 to 19,491,030,990 would take you about one thousand, two hundred thirty-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 19491030990 cubic inches would be around 224.3 feet tall.

Recreational maths with 19491030990

• 19491030990 backwards is 09903019491
• 19491030990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19491030990's digits is 45
• More coming soon!