162180

Names of 162180

• Cardinal: 162180 can be written as One hundred sixty-two thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.6218 × 10⁵

Factors of 162180

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 80

Divisors of 162180

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 53 60 68 85 90 102 106 153 159 170 180 204 212 255 265 306 318 340 477 510 530 612 636 765 795 901 954 1020 1060 1530 1590 1802 1908 2385 2703 3060 3180 3604 4505 4770 5406 8109 9010 9540 10812 13515 16218 18020 27030 32436 40545 54060 81090 162180
• Sum of all divisors σ(n): 530712
• Sum of proper divisors (its aliquot sum) s(n): 368532
• 162180 is an abundant number, because the sum of its proper divisors (368532) is greater than itself. Its abundance is 206352

Bases of 162180

• Binary: 100111100110000100₂
• Hexadecimal: 0x27984
• Base-36: 3H50

Squares and roots of 162180

• 162180 squared (162180²) is 26302352400
• 162180 cubed (162180³) is 4265715512232000
• The square root of 162180 is 402.7157806691
• The cube root of 162180 is 54.5338005405

Scales and comparisons

• 162,180 seconds is equal to 1 day, 21 hours, 3 minutes.
• To count from 1 to 162,180 would take you about twenty-one 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 162180 cubic inches would be around 4.5 feet tall.

Recreational maths with 162180

• 162180 backwards is 081261
• 162180 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 162180's digits is 18
• More coming soon!