172145

Names of 172145

• Cardinal: 172145 can be written as One hundred seventy-two thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 1.72145 × 10⁵

Factors of 172145

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 34434

Divisors of 172145

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 34429 172145
• Sum of all divisors σ(n): 206580
• Sum of proper divisors (its aliquot sum) s(n): 34435
• 172145 is a deficient number, because the sum of its proper divisors (34435) is less than itself. Its deficiency is 137710

Bases of 172145

• Binary: 101010000001110001₂
• Hexadecimal: 0x2A071
• Base-36: 3OTT

Squares and roots of 172145

• 172145 squared (172145²) is 29633901025
• 172145 cubed (172145³) is 5101327891948625
• The square root of 172145 is 414.9036032623
• The cube root of 172145 is 55.6286009537

Scales and comparisons

• 172,145 seconds is equal to 1 day, 23 hours, 49 minutes, 5 seconds.
• To count from 1 to 172,145 would take you about twenty-three 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 172145 cubic inches would be around 4.6 feet tall.

Recreational maths with 172145

• 172145 backwards is 541271
• The number of decimal digits it has is: 6
• The sum of 172145's digits is 20
• More coming soon!