30121390081

Names of 30121390081

• Cardinal: 30121390081 can be written as Thirty billion, one hundred twenty-one million, three hundred ninety thousand and eighty-one.

Scientific notation

• Scientific notation: 3.0121390081 × 10¹⁰

Factors of 30121390081

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 80754770

Divisors of 30121390081

• Number of divisors d(n): 4
• Complete list of divisors:
  1 373 80754397 30121390081
• Sum of all divisors σ(n): 30202144852
• Sum of proper divisors (its aliquot sum) s(n): 80754771
• 30121390081 is a deficient number, because the sum of its proper divisors (80754771) is less than itself. Its deficiency is 30040635310

Bases of 30121390081

• Binary: 11100000011010111111111000000000001₂
• Hexadecimal: 0x7035FF001
• Base-36: DU5HXC1

Squares and roots of 30121390081

• 30121390081 squared (30121390081²) is 907298140411765186561
• 30121390081 cubed (30121390081³) is 27329081207108689146179619901441
• The square root of 30121390081 is 173555.1499696855
• The cube root of 30121390081 is 3111.4178348881

Scales and comparisons

• 30,121,390,081 seconds is equal to 957 years, 39 weeks, 6 days, 4 hours, 48 minutes, 1 second.
• To count from 1 to 30,121,390,081 would take you about one thousand, nine 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 30121390081 cubic inches would be around 259.3 feet tall.

Recreational maths with 30121390081

• 30121390081 backwards is 18009312103
• The number of decimal digits it has is: 11
• The sum of 30121390081's digits is 28
• More coming soon!