7990639530

Names of 7990639530

• Cardinal: 7990639530 can be written as Seven billion, nine hundred ninety million, six hundred thirty-nine thousand, five hundred thirty.

Scientific notation

• Scientific notation: 7.99063953 × 10⁹

Factors of 7990639530

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 7391

Divisors of 7990639530

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 2281 4562 5077 6843 10154 11405 13686 15231 22810 25385 30462 34215 50770 52463 68430 76155 104926 116771 152310 157389 233542 262315 314778 350313 524630 583855 700626 786945 1167710 1573890 1751565 3503130 11580637 23161274 34741911 57903185 69483822 115806370 173709555 266354651 347419110 532709302 799063953 1331773255 1598127906 2663546510 3995319765 7990639530
• Sum of all divisors σ(n): 20024057088
• Sum of proper divisors (its aliquot sum) s(n): 12033417558
• 7990639530 is an abundant number, because the sum of its proper divisors (12033417558) is greater than itself. Its abundance is 4042778028

Bases of 7990639530

• Binary: 111011100010001110111101110101010₂
• Hexadecimal: 0x1DC477BAA
• Base-36: 3O5F4X6

Squares and roots of 7990639530

• 7990639530 squared (7990639530²) is 63850320098398620900
• 7990639530 cubed (7990639530³) is 510204891781417509861024177000
• The square root of 7990639530 is 89390.3771666727
• The cube root of 7990639530 is 1999.2196564049

Scales and comparisons

• 7,990,639,530 seconds is equal to 254 years, 4 weeks, 6 hours, 5 minutes, 30 seconds.
• To count from 1 to 7,990,639,530 would take you about five hundred 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 7990639530 cubic inches would be around 166.6 feet tall.

Recreational maths with 7990639530

• 7990639530 backwards is 0359360997
• The number of decimal digits it has is: 10
• The sum of 7990639530's digits is 51
• More coming soon!