6989916978

Names of 6989916978

• Cardinal: 6989916978 can be written as Six billion, nine hundred eighty-nine million, nine hundred sixteen thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 6.989916978 × 10⁹

Factors of 6989916978

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 222098

Divisors of 6989916978

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 53 54 66 99 106 159 198 297 318 477 583 594 954 1166 1431 1749 2862 3498 5247 10494 15741 31482 222029 444058 666087 1332174 1998261 2442319 3996522 4884638 5994783 7326957 11767537 11989566 14653914 21980871 23535074 35302611 43961742 65942613 70605222 105907833 129442907 131885226 211815666 258885814 317723499 388328721 635446998 776657442 1164986163 2329972326 3494958489 6989916978
• Sum of all divisors σ(n): 17265052800
• Sum of proper divisors (its aliquot sum) s(n): 10275135822
• 6989916978 is an abundant number, because the sum of its proper divisors (10275135822) is greater than itself. Its abundance is 3285218844

Bases of 6989916978

• Binary: 110100000101000011010101100110010₂
• Hexadecimal: 0x1A0A1AB32
• Base-36: 37LM6GI

Squares and roots of 6989916978

• 6989916978 squared (6989916978²) is 48858939359332652484
• 6989916978 cubed (6989916978³) is 341519929754871750347685473352
• The square root of 6989916978 is 83605.7233567177
• The cube root of 6989916978 is 1912.0122591679

Scales and comparisons

• 6,989,916,978 seconds is equal to 222 years, 13 weeks, 2 days, 19 hours, 36 minutes, 18 seconds.
• To count from 1 to 6,989,916,978 would take you about four hundred forty-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 6989916978 cubic inches would be around 159.3 feet tall.

Recreational maths with 6989916978

• 6989916978 backwards is 8796199896
• The number of decimal digits it has is: 10
• The sum of 6989916978's digits is 72
• More coming soon!