6981288831

Names of 6981288831

• Cardinal: 6981288831 can be written as Six billion, nine hundred eighty-one million, two hundred eighty-eight thousand, eight hundred thirty-one.

Scientific notation

• Scientific notation: 6.981288831 × 10⁹

Factors of 6981288831

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1249

Divisors of 6981288831

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 11 23 27 33 69 81 99 207 253 297 443 621 759 769 891 1329 1863 2277 2307 3987 4873 6831 6921 8459 10189 11961 14619 17687 20493 20763 25377 30567 35883 43857 53061 62289 76131 91701 112079 131571 159183 194557 228393 275103 336237 340667 394713 477549 583671 685179 825309 1008711 1022001 1432647 1751013 3026133 3066003 3747337 5253039 7835341 9078399 9198009 11242011 15759117 23506023 27594027 33726033 70518069 86188751 101178099 211554207 258566253 303534297 634662621 775698759 2327096277 6981288831
• Sum of all divisors σ(n): 11913834240
• Sum of proper divisors (its aliquot sum) s(n): 4932545409
• 6981288831 is a deficient number, because the sum of its proper divisors (4932545409) is less than itself. Its deficiency is 2048743422

Bases of 6981288831

• Binary: 110100000000111100000001101111111₂
• Hexadecimal: 0x1A01E037F
• Base-36: 37GH8XR

Squares and roots of 6981288831

• 6981288831 squared (6981288831²) is 48738393741845346561
• 6981288831 cubed (6981288831³) is 340256803870825215275633560191
• The square root of 6981288831 is 83554.1072060495
• The cube root of 6981288831 is 1911.2252247675

Scales and comparisons

• 6,981,288,831 seconds is equal to 221 years, 51 weeks, 22 hours, 53 minutes, 51 seconds.
• To count from 1 to 6,981,288,831 would take you about four hundred forty-three 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 6981288831 cubic inches would be around 159.3 feet tall.

Recreational maths with 6981288831

• 6981288831 backwards is 1388821896
• The number of decimal digits it has is: 10
• The sum of 6981288831's digits is 54
• More coming soon!