1438128856969493941

Names of 1438128856969493941

• Cardinal: 1438128856969493941 can be written as One quintillion, four hundred thirty-eight quadrillion, one hundred twenty-eight trillion, eight hundred fifty-six billion, nine hundred sixty-nine million, four hundred ninety-three thousand, nine hundred forty-one.

Scientific notation

• Scientific notation: 1.438128856969493941 × 10¹⁸

Factors of 1438128856969493941

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 4192795501368794

Divisors of 1438128856969493941

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 49 343 4192795501368787 29349568509581509 205446979567070563 1438128856969493941
• Sum of all divisors σ(n): 1677118200547515200
• Sum of proper divisors (its aliquot sum) s(n): 238989343578021259
• 1438128856969493941 is a deficient number, because the sum of its proper divisors (238989343578021259) is less than itself. Its deficiency is 1199139513391472682

Bases of 1438128856969493941

• Binary: 1001111110101010000101001001101101100111001111011110110110101₂
• Hexadecimal: 0x13F542936CE7BDB5
• Base-36: AXCE4S9WWG51

Squares and roots of 1438128856969493941

• 1438128856969493941 squared (1438128856969493941²) is 2068214609248383161478441493635711481
• 1438128856969493941 cubed (1438128856969493941³) is 2974359111965985828220644373005030663119408078053636621
• The square root of 1438128856969493941 is 1199220103.6379826891
• The cube root of 1438128856969493941 is 1128753.9079273423

Scales and comparisons

• 1,438,128,856,969,493,941 seconds is equal to 45,728,049,227 years, 9 hours, 39 minutes, 1 second.
• To count from 1 to 1,438,128,856,969,493,941 would take you about one hundred sixty billion, forty-eight million, one hundred seventy-two thousand, two hundred ninety-four 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 1438128856969493941 cubic inches would be around 94062.8 feet tall.

Recreational maths with 1438128856969493941

• 1438128856969493941 backwards is 1493949696588218341
• The number of decimal digits it has is: 19
• The sum of 1438128856969493941's digits is 100
• More coming soon!