12222015

Names of 12222015

• Cardinal: 12222015 can be written as Twelve million, two hundred twenty-two thousand and fifteen.

Scientific notation

• Scientific notation: 1.2222015 × 10⁷

Factors of 12222015

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 523

Divisors of 12222015

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 13 15 39 65 195 233 269 699 807 1165 1345 3029 3495 3497 4035 9087 10491 15145 17485 45435 52455 62677 188031 313385 814801 940155 2444403 4074005 12222015
• Sum of all divisors σ(n): 21228480
• Sum of proper divisors (its aliquot sum) s(n): 9006465
• 12222015 is a deficient number, because the sum of its proper divisors (9006465) is less than itself. Its deficiency is 3215550

Bases of 12222015

• Binary: 101110100111111000111111₂
• Hexadecimal: 0xBA7E3F
• Base-36: 79YKF

Squares and roots of 12222015

• 12222015 squared (12222015²) is 149377650660225
• 12222015 cubed (12222015³) is 1825695887034029853375
• The square root of 12222015 is 3495.9998569795
• The cube root of 12222015 is 230.3461391809

Scales and comparisons

• 12,222,015 seconds is equal to 20 weeks, 1 day, 11 hours, 15 seconds.
• To count from 1 to 12,222,015 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 12222015 cubic inches would be around 19.2 feet tall.

Recreational maths with 12222015

• 12222015 backwards is 51022221
• 12222015 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12222015's digits is 15
• More coming soon!