6490309881

Names of 6490309881

• Cardinal: 6490309881 can be written as Six billion, four hundred ninety million, three hundred nine thousand, eight hundred eighty-one.

Scientific notation

• Scientific notation: 6.490309881 × 10⁹

Factors of 6490309881

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3258

Divisors of 6490309881

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 11 29 33 41 53 87 123 159 319 451 583 957 1189 1353 1537 1749 2173 3121 3567 4611 6519 9363 13079 16907 23903 34331 39237 50721 63017 71709 90509 102993 127961 165413 189051 271527 383883 496239 693187 995599 1407571 1819543 2079561 2986797 3710869 4222713 4796977 5458629 6781933 11132607 14390931 20345799 40819559 52766747 74601263 122458677 158300241 196676057 223803789 590028171 2163436627 6490309881
• Sum of all divisors σ(n): 10196202240
• Sum of proper divisors (its aliquot sum) s(n): 3705892359
• 6490309881 is a deficient number, because the sum of its proper divisors (3705892359) is less than itself. Its deficiency is 2784417522

Bases of 6490309881

• Binary: 110000010110110100100010011111001₂
• Hexadecimal: 0x182DA44F9
• Base-36: 2ZC5V5L

Squares and roots of 6490309881

• 6490309881 squared (6490309881²) is 42124122351406234161
• 6490309881 cubed (6490309881³) is 273398607525784835820138044841
• The square root of 6490309881 is 80562.4595019293
• The cube root of 6490309881 is 1865.3277203227

Scales and comparisons

• 6,490,309,881 seconds is equal to 206 years, 19 weeks, 2 days, 7 hours, 51 minutes, 21 seconds.
• To count from 1 to 6,490,309,881 would take you about four hundred twelve 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 6490309881 cubic inches would be around 155.4 feet tall.

Recreational maths with 6490309881

• 6490309881 backwards is 1889030946
• The number of decimal digits it has is: 10
• The sum of 6490309881's digits is 48
• More coming soon!