638827049966

Names of 638827049966

• Cardinal: 638827049966 can be written as Six hundred thirty-eight billion, eight hundred twenty-seven million, forty-nine thousand, nine hundred sixty-six.

Scientific notation

• Scientific notation: 6.38827049966 × 10¹¹

Factors of 638827049966

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 55080

Divisors of 638827049966

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 7 14 19 38 49 79 98 133 158 266 553 931 1106 1501 1862 3002 3871 6241 7742 10507 12482 21014 43687 54973 73549 87374 109946 118579 147098 237158 305809 384811 611618 769622 830053 1044487 1660106 2088974 2693677 4342867 5387354 5810371 7311409 8685734 11620742 14622818 30400069 51179863 60800138 82514473 102359726 165028946 212800483 343086493 425600966 577601311 686172986 1155202622 2401605451 4043209177 4803210902 6518643367 8086418354 13037286734 16811238157 33622476314 45630503569 91261007138 319413524983 638827049966
• Sum of all divisors σ(n): 1188418036680
• Sum of proper divisors (its aliquot sum) s(n): 549590986714
• 638827049966 is a deficient number, because the sum of its proper divisors (549590986714) is less than itself. Its deficiency is 89236063252

Bases of 638827049966

• Binary: 1001010010111101000011110011001111101110₂
• Hexadecimal: 0x94BD0F33EE
• Base-36: 85H14QGE

Squares and roots of 638827049966

• 638827049966 squared (638827049966²) is 408099999768262260601156
• 638827049966 cubed (638827049966³) is 260705318943084263574046797209360696
• The square root of 638827049966 is 799266.5700290485
• The cube root of 638827049966 is 8612.4708650921

Scales and comparisons

• 638,827,049,966 seconds is equal to 20,312 years, 37 weeks, 4 days, 14 hours, 19 minutes, 26 seconds.
• To count from 1 to 638,827,049,966 would take you about forty thousand, six hundred twenty-five 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 638827049966 cubic inches would be around 717.7 feet tall.

Recreational maths with 638827049966

• 638827049966 backwards is 669940728836
• The number of decimal digits it has is: 12
• The sum of 638827049966's digits is 68
• More coming soon!