3999345966

Names of 3999345966

• Cardinal: 3999345966 can be written as Three billion, nine hundred ninety-nine million, three hundred forty-five thousand, nine hundred sixty-six.

Scientific notation

• Scientific notation: 3.999345966 × 10⁹

Factors of 3999345966

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 262344

Divisors of 3999345966

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 121 126 154 198 231 242 363 462 693 726 847 1089 1386 1694 2178 2541 5082 7623 15246 262321 524642 786963 1573926 1836247 2360889 2885531 3672494 4721778 5508741 5771062 8656593 11017482 16526223 17313186 20198717 25969779 31740841 33052446 40397434 51939558 60596151 63481682 95222523 121192302 181788453 190445046 222185887 285667569 363576906 444371774 571335138 666557661 1333115322 1999672983 3999345966
• Sum of all divisors σ(n): 10885313712
• Sum of proper divisors (its aliquot sum) s(n): 6885967746
• 3999345966 is an abundant number, because the sum of its proper divisors (6885967746) is greater than itself. Its abundance is 2886621780

Bases of 3999345966

• Binary: 11101110011000010010110100101110₂
• Hexadecimal: 0xEE612D2E
• Base-36: 1U53V3I

Squares and roots of 3999345966

• 3999345966 squared (3999345966²) is 15994768155760473156
• 3999345966 cubed (3999345966³) is 63968611500845907978699888696
• The square root of 3999345966 is 63240.3823992233
• The cube root of 3999345966 is 1587.3145293973

Scales and comparisons

• 3,999,345,966 seconds is equal to 127 years, 8 weeks, 4 days, 17 hours, 26 minutes, 6 seconds.
• To count from 1 to 3,999,345,966 would take you about two hundred fifty-four 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 3999345966 cubic inches would be around 132.3 feet tall.

Recreational maths with 3999345966

• 3999345966 backwards is 6695439993
• 3999345966 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3999345966's digits is 63
• More coming soon!