1812742472

Names of 1812742472

• Cardinal: 1812742472 can be written as One billion, eight hundred twelve million, seven hundred forty-two thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.812742472 × 10⁹

Factors of 1812742472

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 15055

Divisors of 1812742472

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 8 15053 30106 60212 120424 226592809 453185618 906371236 1812742472
• Sum of all divisors σ(n): 3399117945
• Sum of proper divisors (its aliquot sum) s(n): 1586375473
• 1812742472 is a deficient number, because the sum of its proper divisors (1586375473) is less than itself. Its deficiency is 226366999

Bases of 1812742472

• Binary: 1101100000011000100000101001000₂
• Hexadecimal: 0x6C0C4148
• Base-36: TZ9D1K

Squares and roots of 1812742472

• 1812742472 squared (1812742472²) is 3286035269792670784
• 1812742472 cubed (1812742472³) is 5956735698043152964470338048
• The square root of 1812742472 is 42576.3135088043
• The cube root of 1812742472 is 1219.3041073011

Scales and comparisons

• 1,812,742,472 seconds is equal to 57 years, 33 weeks, 1 day, 19 hours, 34 minutes, 32 seconds.
• To count from 1 to 1,812,742,472 would take you about one hundred fifteen 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 1812742472 cubic inches would be around 101.6 feet tall.

Recreational maths with 1812742472

• 1812742472 backwards is 2742472181
• The number of decimal digits it has is: 10
• The sum of 1812742472's digits is 38
• More coming soon!