2939987984

Names of 2939987984

• Cardinal: 2939987984 can be written as Two billion, nine hundred thirty-nine million, nine hundred eighty-seven thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.939987984 × 10⁹

Factors of 2939987984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 145

Divisors of 2939987984

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 16 29 41 58 73 82 116 146 164 232 292 328 464 584 656 841 1168 1189 1682 2117 2378 2993 3364 4234 4756 5329 5986 6728 8468 9512 10658 11972 13456 16936 19024 21316 23944 33872 34481 42632 47888 61393 68962 85264 86797 122786 137924 154541 173594 218489 245572 275848 309082 347188 436978 491144 551696 618164 694376 873956 982288 1236328 1388752 1747912 2472656 2517113 3495824 4481689 5034226 6336181 8963378 10068452 12672362 17926756 20136904 25344724 35853512 40273808 50689448 71707024 101378896 183749249 367498498 734996996 1469993992 2939987984
• Sum of all divisors σ(n): 6127228926
• Sum of proper divisors (its aliquot sum) s(n): 3187240942
• 2939987984 is an abundant number, because the sum of its proper divisors (3187240942) is greater than itself. Its abundance is 247252958

Bases of 2939987984

• Binary: 10101111001111001010100000010000₂
• Hexadecimal: 0xAF3CA810
• Base-36: 1CME58W

Squares and roots of 2939987984

• 2939987984 squared (2939987984²) is 8643529346064384256
• 2939987984 cubed (2939987984³) is 25411872416780667402998779904
• The square root of 2939987984 is 54221.6560425813
• The cube root of 2939987984 is 1432.5677996553

Scales and comparisons

• 2,939,987,984 seconds is equal to 93 years, 25 weeks, 15 hours, 19 minutes, 44 seconds.
• To count from 1 to 2,939,987,984 would take you about one hundred eighty-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 2939987984 cubic inches would be around 119.4 feet tall.

Recreational maths with 2939987984

• 2939987984 backwards is 4897899392
• The number of decimal digits it has is: 10
• The sum of 2939987984's digits is 68
• More coming soon!