168164138025

Names of 168164138025

• Cardinal: 168164138025 can be written as One hundred sixty-eight billion, one hundred sixty-four million, one hundred thirty-eight thousand and twenty-five.

Scientific notation

• Scientific notation: 1.68164138025 × 10¹¹

Factors of 168164138025

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 727847

Divisors of 168164138025

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 13 15 25 39 45 65 75 79 117 195 225 237 325 395 585 711 975 1027 1185 1975 2925 3081 3555 5135 5925 9243 15405 17775 25675 46215 77025 231075 727747 2183241 3638735 6549723 9460711 10916205 18193675 28382133 32748615 47303555 54581025 57492013 85146399 141910665 163743075 172476039 236517775 287460065 425731995 517428117 709553325 747396169 862380195 1437300325 2128659975 2242188507 2587140585 3736980845 4311900975 6726565521 11210942535 12935702925 18684904225 33632827605 56054712675 168164138025
• Sum of all divisors σ(n): 328476337280
• Sum of proper divisors (its aliquot sum) s(n): 160312199255
• 168164138025 is a deficient number, because the sum of its proper divisors (160312199255) is less than itself. Its deficiency is 7851938770

Bases of 168164138025

• Binary: 10011100100111010111010001110000101001₂
• Hexadecimal: 0x27275D1C29
• Base-36: 2594L3C9

Squares and roots of 168164138025

• 168164138025 squared (168164138025²) is 28279177317691250900625
• 168164138025 cubed (168164138025³) is 4755543477685680790787608058765625
• The square root of 168164138025 is 410078.2096442093
• The cube root of 168164138025 is 5519.6447692991

Scales and comparisons

• 168,164,138,025 seconds is equal to 5,347 years, 5 weeks, 1 day, 4 hours, 33 minutes, 45 seconds.
• To count from 1 to 168,164,138,025 would take you about ten thousand, six hundred ninety-four 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 168164138025 cubic inches would be around 460 feet tall.

Recreational maths with 168164138025

• 168164138025 backwards is 520831461861
• 168164138025 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 168164138025's digits is 45
• More coming soon!