12142455

Names of 12142455

• Cardinal: 12142455 can be written as Twelve million, one hundred forty-two thousand, four hundred fifty-five.

Scientific notation

• Scientific notation: 1.2142455 × 10⁷

Factors of 12142455

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 947

Divisors of 12142455

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 13 15 39 65 73 195 219 365 853 949 1095 2559 2847 4265 4745 11089 12795 14235 33267 55445 62269 166335 186807 311345 809497 934035 2428491 4047485 12142455
• Sum of all divisors σ(n): 21233856
• Sum of proper divisors (its aliquot sum) s(n): 9091401
• 12142455 is a deficient number, because the sum of its proper divisors (9091401) is less than itself. Its deficiency is 3051054

Bases of 12142455

• Binary: 101110010100011101110111₂
• Hexadecimal: 0xB94777
• Base-36: 7896F

Squares and roots of 12142455

• 12142455 squared (12142455²) is 147439213427025
• 12142455 cubed (12142455³) is 1790274014273046846375
• The square root of 12142455 is 3484.6025598337
• The cube root of 12142455 is 229.8452329947

Scales and comparisons

• 12,142,455 seconds is equal to 20 weeks, 12 hours, 54 minutes, 15 seconds.
• To count from 1 to 12,142,455 would take you about thirty weeks!

  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 12142455 cubic inches would be around 19.2 feet tall.

Recreational maths with 12142455

• 12142455 backwards is 55424121
• The number of decimal digits it has is: 8
• The sum of 12142455's digits is 24
• More coming soon!