138744336215744065

Names of 138744336215744065

• Cardinal: 138744336215744065 can be written as One hundred thirty-eight quadrillion, seven hundred forty-four trillion, three hundred thirty-six billion, two hundred fifteen million, seven hundred forty-four thousand and sixty-five.

Scientific notation

• Scientific notation: 1.38744336215744065 × 10¹⁷

Factors of 138744336215744065

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1279547699

Divisors of 138744336215744065

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 22067033 110335165 1257480661 6287403305 27748867243148813 138744336215744065
• Sum of all divisors σ(n): 166493211136179048
• Sum of proper divisors (its aliquot sum) s(n): 27748874920434983
• 138744336215744065 is a deficient number, because the sum of its proper divisors (27748874920434983) is less than itself. Its deficiency is 110995461295309082

Bases of 138744336215744065

• Binary: 111101100111010110011110100011010101111001001111001000001₂
• Hexadecimal: 0x1ECEB3D1ABC9E41
• Base-36: 11Y4RG529001

Squares and roots of 138744336215744065

• 138744336215744065 squared (138744336215744065²) is 19249990831947430135277181582724225
• 138744336215744065 cubed (138744336215744065³) is 2670827200137705054322493178334700725139658075474625
• The square root of 138744336215744065 is 372484008.0000000013
• The cube root of 138744336215744065 is 517692.3584536349

Scales and comparisons

• 138,744,336,215,744,065 seconds is equal to 4,411,640,727 years, 13 weeks, 6 hours, 14 minutes, 25 seconds.
• To count from 1 to 138,744,336,215,744,065 would take you about thirteen billion, two hundred thirty-four million, nine hundred twenty-two thousand, one hundred eighty-one 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 138744336215744065 cubic inches would be around 43141 feet tall.

Recreational maths with 138744336215744065

• 138744336215744065 backwards is 560447512633447831
• The number of decimal digits it has is: 18
• The sum of 138744336215744065's digits is 73
• More coming soon!