1640401163974742399

Names of 1640401163974742399

• Cardinal: 1640401163974742399 can be written as One quintillion, six hundred forty quadrillion, four hundred one trillion, one hundred sixty-three billion, nine hundred seventy-four million, seven hundred forty-two thousand, three hundred ninety-nine.

Scientific notation

• Scientific notation: 1.640401163974742399 × 10¹⁸

Factors of 1640401163974742399

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 390183538

Divisors of 1640401163974742399

• Number of divisors d(n): 16
• Complete list of divisors:
  1 41 311 12751 329993 13529713 102627823 389853193 4207740743 15983980913 121244343023 4971018063943 128648824717649 5274601813423609 40009784487188839 1640401163974742399
• Sum of all divisors σ(n): 1685819312060554944
• Sum of proper divisors (its aliquot sum) s(n): 45418148085812545
• 1640401163974742399 is a deficient number, because the sum of its proper divisors (45418148085812545) is less than itself. Its deficiency is 1594983015888929854

Bases of 1640401163974742399

• Binary: 1011011000011111000000010101011011011110110100001000101111111₂
• Hexadecimal: 0x16C3E02ADBDA117F
• Base-36: CGO1OJAVMFZZ

Squares and roots of 1640401163974742399

• 1640401163974742399 squared (1640401163974742399²) is 2690915978769689699840142818408275201
• 1640401163974742399 cubed (1640401163974742399³) is 4414181703732032189420291599910803175862362293874947199
• The square root of 1640401163974742399 is 1280781466.1271228745
• The cube root of 1640401163974742399 is 1179369.8550589851

Scales and comparisons

• 1,640,401,163,974,742,399 seconds is equal to 52,159,682,920 years, 22 weeks, 6 days, 23 hours, 59 minutes, 59 seconds.
• To count from 1 to 1,640,401,163,974,742,399 would take you about one hundred eighty-two billion, five hundred fifty-eight million, eight hundred ninety thousand, two hundred twenty-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 1640401163974742399 cubic inches would be around 98280.8 feet tall.

Recreational maths with 1640401163974742399

• 1640401163974742399 backwards is 9932474793611040461
• The number of decimal digits it has is: 19
• The sum of 1640401163974742399's digits is 80
• More coming soon!