78013801

Names of 78013801

• Cardinal: 78013801 can be written as Seventy-eight million, thirteen thousand, eight hundred one.

Scientific notation

• Scientific notation: 7.8013801 × 10⁷

Factors of 78013801

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 78013801

Divisors of 78013801

• Number of divisors d(n): 2
• Complete list of divisors:
  1 78013801
• Sum of all divisors σ(n): 78013802
• Sum of proper divisors (its aliquot sum) s(n): 1
• 78013801 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 78013800

Bases of 78013801

• Binary: 100101001100110010101101001₂
• Hexadecimal: 0x4A66569
• Base-36: 1AG3U1

Squares and roots of 78013801

• 78013801 squared (78013801²) is 6086153146467601
• 78013801 cubed (78013801³) is 474803940424047277361401
• The square root of 78013801 is 8832.5421595371
• The cube root of 78013801 is 427.2910662403

Scales and comparisons

• 78,013,801 seconds is equal to 2 years, 24 weeks, 6 days, 22 hours, 30 minutes, 1 second.
• To count from 1 to 78,013,801 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 78013801 cubic inches would be around 35.6 feet tall.

Recreational maths with 78013801

• 78013801 backwards is 10831087
• The number of decimal digits it has is: 8
• The sum of 78013801's digits is 28
• More coming soon!