72168438198585599

Names of 72168438198585599

• Cardinal: 72168438198585599 can be written as Seventy-two quadrillion, one hundred sixty-eight trillion, four hundred thirty-eight billion, one hundred ninety-eight million, five hundred eighty-five thousand, five hundred ninety-nine.

Scientific notation

• Scientific notation: 7.2168438198585599 × 10¹⁶

Factors of 72168438198585599

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1657071

Divisors of 72168438198585599

• Number of divisors d(n): 32
• Complete list of divisors:
  1 13 173 199 2249 2587 34427 103843 447551 1349959 1552843 17964839 20186959 20664757 233542907 268641839 268641841 309015757 3492343907 3575002961 4017204841 46475038493 53459725961 161251875649 694976437493 2096274383437 27896574487277 32089123254151 362655468334601 417158602303963 5551418322968123 72168438198585599
• Sum of all divisors σ(n): 78562720954099200
• Sum of proper divisors (its aliquot sum) s(n): 6394282755513601
• 72168438198585599 is a deficient number, because the sum of its proper divisors (6394282755513601) is less than itself. Its deficiency is 65774155443071998

Bases of 72168438198585599

• Binary: 100000000011001001100111111101010110100100100100011111111₂
• Hexadecimal: 0x10064CFEAD248FF
• Base-36: JQLKQTDKXRZ

Squares and roots of 72168438198585599

• 72168438198585599 squared (72168438198585599²) is 5208283472023069017684964130188801
• 72168438198585599 cubed (72168438198585599³) is 375873683871411684026019140057064608349895029676799
• The square root of 72168438198585599 is 268641839.9999999981
• The cube root of 72168438198585599 is 416340.9245263639

Scales and comparisons

• 72,168,438,198,585,599 seconds is equal to 2,294,733,103 years, 4 weeks, 15 hours, 59 minutes, 59 seconds.
• To count from 1 to 72,168,438,198,585,599 would take you about six billion, eight hundred eighty-four million, one hundred ninety-nine thousand, three hundred nine 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 72168438198585599 cubic inches would be around 34695.1 feet tall.

Recreational maths with 72168438198585599

• 72168438198585599 backwards is 99558589183486127
• The number of decimal digits it has is: 17
• The sum of 72168438198585599's digits is 98
• More coming soon!