438297664686761961

Names of 438297664686761961

• Cardinal: 438297664686761961 can be written as Four hundred thirty-eight quadrillion, two hundred ninety-seven trillion, six hundred sixty-four billion, six hundred eighty-six million, seven hundred sixty-one thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 4.38297664686761961 × 10¹⁷

Factors of 438297664686761961

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 422

Divisors of 438297664686761961

• Number of divisors d(n): 35
• Complete list of divisors:
  1 3 9 27 81 419 1257 3771 11313 33939 175561 526683 1580049 4740147 14220441 73560059 220680177 662040531 1986121593 5958364779 30821664721 92464994163 277394982489 832184947467 2496554842401 12914277518099 38742832554297 116228497662891 348685492988673 1046056478966019 5411082280083481 16233246840250443 48699740520751329 146099221562253987 438297664686761961
• Sum of all divisors σ(n): 656307321813283261
• Sum of proper divisors (its aliquot sum) s(n): 218009657126521300
• 438297664686761961 is a deficient number, because the sum of its proper divisors (218009657126521300) is less than itself. Its deficiency is 220288007560240661

Bases of 438297664686761961

• Binary: 11000010101001001010110011101100001100010011010011111101001₂
• Hexadecimal: 0x61525676189A7E9
• Base-36: 3BVNJZH05DK9

Squares and roots of 438297664686761961

• 438297664686761961 squared (438297664686761961²) is 192104842869869222932360199076565521
• 438297664686761961 cubed (438297664686761961³) is 84199104004881035003656960616407485673415470346946681
• 438297664686761961 is a perfect square number. Its square root is 662040531
• The cube root of 438297664686761961 is 759608.3304382167
• Being both a perfect square and a perfect cube, 438297664686761961 is also a perfect sixth number.

Scales and comparisons

• 438,297,664,686,761,961 seconds is equal to 13,936,509,993 years, 18 weeks, 6 hours, 19 minutes, 21 seconds.
• To count from 1 to 438,297,664,686,761,961 would take you about forty-one billion, eight hundred nine million, five hundred twenty-nine thousand, nine hundred eighty 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 438297664686761961 cubic inches would be around 63300.7 feet tall.

Recreational maths with 438297664686761961

• 438297664686761961 backwards is 169167686466792834
• The number of decimal digits it has is: 18
• The sum of 438297664686761961's digits is 99
• More coming soon!