6888914721

Names of 6888914721

• Cardinal: 6888914721 can be written as Six billion, eight hundred eighty-eight million, nine hundred fourteen thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 6.888914721 × 10⁹

Factors of 6888914721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2039

Divisors of 6888914721

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 19 39 57 117 127 169 171 247 381 507 741 1143 1521 1651 1877 2223 2413 3211 4953 5631 7239 9633 14859 16893 21463 21717 24401 28899 31369 35663 64389 73203 94107 106989 193167 219609 238379 282321 317213 320967 407797 463619 715137 951639 1223391 1390857 2145411 2854917 3098927 3670173 4172571 4529201 6027047 9296781 13587603 18081141 27890343 40286051 40762809 54243423 58879613 120858153 176638839 362574459 529916517 765434969 2296304907 6888914721
• Sum of all divisors σ(n): 11437470720
• Sum of proper divisors (its aliquot sum) s(n): 4548555999
• 6888914721 is a deficient number, because the sum of its proper divisors (4548555999) is less than itself. Its deficiency is 2340358722

Bases of 6888914721

• Binary: 110011010100111000111111100100001₂
• Hexadecimal: 0x19A9C7F21
• Base-36: 35XHCM9

Squares and roots of 6888914721

• 6888914721 squared (6888914721²) is 47457146033210507841
• 6888914721 cubed (6888914721³) is 326928231924830622357750827361
• The square root of 6888914721 is 82999.4862694943
• The cube root of 6888914721 is 1902.7582027909

Scales and comparisons

• 6,888,914,721 seconds is equal to 219 years, 2 weeks, 2 days, 19 hours, 25 minutes, 21 seconds.
• To count from 1 to 6,888,914,721 would take you about four hundred thirty-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 6888914721 cubic inches would be around 158.6 feet tall.

Recreational maths with 6888914721

• 6888914721 backwards is 1274198886
• The number of decimal digits it has is: 10
• The sum of 6888914721's digits is 54
• More coming soon!