72142806

Names of 72142806

• Cardinal: 72142806 can be written as Seventy-two million, one hundred forty-two thousand, eight hundred six.

Scientific notation

• Scientific notation: 7.2142806 × 10⁷

Factors of 72142806

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 12023806

Divisors of 72142806

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 12023801 24047602 36071403 72142806
• Sum of all divisors σ(n): 144285624
• Sum of proper divisors (its aliquot sum) s(n): 72142818
• 72142806 is an abundant number, because the sum of its proper divisors (72142818) is greater than itself. Its abundance is 12

Bases of 72142806

• Binary: 100010011001100111111010110₂
• Hexadecimal: 0x44CCFD6
• Base-36: 16Y9QU

Squares and roots of 72142806

• 72142806 squared (72142806²) is 5204584457553636
• 72142806 cubed (72142806³) is 375473326831907196542616
• The square root of 72142806 is 8493.6921300455
• The cube root of 72142806 is 416.2916278291

Scales and comparisons

• 72,142,806 seconds is equal to 2 years, 15 weeks, 1 day, 23 hours, 40 minutes, 6 seconds.
• To count from 1 to 72,142,806 would take you about three 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 72142806 cubic inches would be around 34.7 feet tall.

Recreational maths with 72142806

• 72142806 backwards is 60824127
• The number of decimal digits it has is: 8
• The sum of 72142806's digits is 30
• More coming soon!