19400029729731

Names of 19400029729731

• Cardinal: 19400029729731 can be written as Nineteen trillion, four hundred billion, twenty-nine million, seven hundred twenty-nine thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 1.9400029729731 × 10¹³

Factors of 19400029729731

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1985965

Divisors of 19400029729731

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 9 21 63 167 501 929 1169 1503 2787 3507 6503 8361 10521 19509 58527 155143 465429 1086001 1396287 1984859 3258003 5954577 9774009 13894013 17863731 41682039 125046117 331471453 994414359 1843934011 2320300171 2983243077 5531802033 6960900513 12907538077 16595406099 20882701539 38722614231 116167842693 307936979837 923810939511 2155558858859 2771432818533 6466676576577 19400029729731
• Sum of all divisors σ(n): 32251910745600
• Sum of proper divisors (its aliquot sum) s(n): 12851881015869
• 19400029729731 is a deficient number, because the sum of its proper divisors (12851881015869) is less than itself. Its deficiency is 6548148713862

Bases of 19400029729731

• Binary: 100011010010011101011111000010111001111000011₂
• Hexadecimal: 0x11A4EBE173C3
• Base-36: 6VK90T22R

Squares and roots of 19400029729731

• 19400029729731 squared (19400029729731²) is 376361153514446656905332361
• 19400029729731 cubed (19400029729731³) is 7301417567296117978167171448223558124891
• The square root of 19400029729731 is 4404546.4840016163
• The cube root of 19400029729731 is 26869.9875469079

Scales and comparisons

• 19,400,029,729,731 seconds is equal to 616,860 years, 48 weeks, 5 days, 3 hours, 8 minutes, 51 seconds.
• To count from 1 to 19,400,029,729,731 would take you about one million, five hundred forty-two thousand, one hundred fifty-two 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 19400029729731 cubic inches would be around 2239.2 feet tall.

Recreational maths with 19400029729731

• 19400029729731 backwards is 13792792000491
• The number of decimal digits it has is: 14
• The sum of 19400029729731's digits is 54
• More coming soon!