6755431991

Names of 6755431991

• Cardinal: 6755431991 can be written as Six billion, seven hundred fifty-five million, four hundred thirty-one thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 6.755431991 × 10⁹

Factors of 6755431991

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 309

Divisors of 6755431991

• Number of divisors d(n): 80
• Complete list of divisors:
  1 7 11 31 37 49 77 217 223 259 341 343 407 539 1147 1519 1561 1813 2387 2401 2453 2849 3773 6913 8029 8251 10633 10927 12617 12691 16709 17171 19943 26411 48391 56203 57757 74431 76043 76489 88319 88837 90761 116963 120197 139601 255781 338737 393421 404299 532301 535423 618233 635327 818741 841379 977207 1790467 2371159 2753947 2813591 2830093 3726107 4327631 4447289 5889653 12533269 16598113 19695137 19810651 26082749 30293417 31131023 87732883 137865959 182579243 217917161 614130181 965061713 6755431991
• Sum of all divisors σ(n): 9155371008
• Sum of proper divisors (its aliquot sum) s(n): 2399939017
• 6755431991 is a deficient number, because the sum of its proper divisors (2399939017) is less than itself. Its deficiency is 4355492974

Bases of 6755431991

• Binary: 110010010101001111011011000110111₂
• Hexadecimal: 0x192A7B637
• Base-36: 33Q0CON

Squares and roots of 6755431991

• 6755431991 squared (6755431991²) is 45635861385026224081
• 6755431991 cubed (6755431991³) is 308289957937247722530721975271
• The square root of 6755431991 is 82191.4350221481
• The cube root of 6755431991 is 1890.3883929739

Scales and comparisons

• 6,755,431,991 seconds is equal to 214 years, 41 weeks, 4 days, 20 hours, 53 minutes, 11 seconds.
• To count from 1 to 6,755,431,991 would take you about four hundred twenty-nine 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 6755431991 cubic inches would be around 157.5 feet tall.

Recreational maths with 6755431991

• 6755431991 backwards is 1991345576
• The number of decimal digits it has is: 10
• The sum of 6755431991's digits is 50
• More coming soon!