1995309890

Names of 1995309890

• Cardinal: 1995309890 can be written as One billion, nine hundred ninety-five million, three hundred nine thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.99530989 × 10⁹

Factors of 1995309890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1851

Divisors of 1995309890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 14 17 19 34 35 38 49 70 85 95 98 119 133 170 190 238 245 266 323 343 490 595 646 665 686 833 931 1190 1330 1615 1666 1715 1801 1862 2261 3230 3430 3602 4165 4522 4655 5831 6517 8330 9005 9310 11305 11662 12607 13034 15827 18010 22610 25214 29155 30617 31654 32585 34219 58310 61234 63035 65170 68438 79135 88249 110789 126070 153085 158270 171095 176498 214319 221578 239533 306170 342190 428638 441245 479066 553945 581723 617743 882490 1071595 1107890 1163446 1197665 1235486 1500233 1676731 2143190 2395330 2908615 3000466 3088715 3353462 4072061 5817230 6177430 7501165 8144122 8383655 10501631 11737117 15002330 16767310 20360305 21003262 23474234 28504427 40720610 52508155 57008854 58685585 105016310 117371170 142522135 199530989 285044270 399061978 997654945 1995309890
• Sum of all divisors σ(n): 4670784000
• Sum of proper divisors (its aliquot sum) s(n): 2675474110
• 1995309890 is an abundant number, because the sum of its proper divisors (2675474110) is greater than itself. Its abundance is 680164220

Bases of 1995309890

• Binary: 1110110111011100000001101000010₂
• Hexadecimal: 0x76EE0342
• Base-36: WZYEYQ

Squares and roots of 1995309890

• 1995309890 squared (1995309890²) is 3981261557131812100
• 1995309890 cubed (1995309890³) is 7943850559621904716751669000
• The square root of 1995309890 is 44668.8917480611
• The cube root of 1995309890 is 1258.9354176531

Scales and comparisons

• 1,995,309,890 seconds is equal to 63 years, 23 weeks, 20 hours, 44 minutes, 50 seconds.
• To count from 1 to 1,995,309,890 would take you about one hundred twenty-six 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 1995309890 cubic inches would be around 104.9 feet tall.

Recreational maths with 1995309890

• 1995309890 backwards is 0989035991
• The number of decimal digits it has is: 10
• The sum of 1995309890's digits is 53
• More coming soon!