161997

Names of 161997

• Cardinal: 161997 can be written as One hundred sixty-one thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 1.61997 × 10⁵

Factors of 161997

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4923

Divisors of 161997

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 11 33 4909 14727 53999 161997
• Sum of all divisors σ(n): 235680
• Sum of proper divisors (its aliquot sum) s(n): 73683
• 161997 is a deficient number, because the sum of its proper divisors (73683) is less than itself. Its deficiency is 88314

Bases of 161997

• Binary: 100111100011001101₂
• Hexadecimal: 0x278CD
• Base-36: 3GZX

Squares and roots of 161997

• 161997 squared (161997²) is 26243028009
• 161997 cubed (161997³) is 4251291808373973
• The square root of 161997 is 402.4885091527
• The cube root of 161997 is 54.5132812791

Scales and comparisons

• 161,997 seconds is equal to 1 day, 20 hours, 59 minutes, 57 seconds.
• To count from 1 to 161,997 would take you about twenty hours.

  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 161997 cubic inches would be around 4.5 feet tall.

Recreational maths with 161997

• 161997 backwards is 799161
• 161997 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 161997's digits is 33
• More coming soon!