30985070

Names of 30985070

• Cardinal: 30985070 can be written as Thirty million, nine hundred eighty-five thousand and seventy.

Scientific notation

• Scientific notation: 3.098507 × 10⁷

Factors of 30985070

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3098514

Divisors of 30985070

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 3098507 6197014 15492535 30985070
• Sum of all divisors σ(n): 55773144
• Sum of proper divisors (its aliquot sum) s(n): 24788074
• 30985070 is a deficient number, because the sum of its proper divisors (24788074) is less than itself. Its deficiency is 6196996

Bases of 30985070

• Binary: 1110110001100101101101110₂
• Hexadecimal: 0x1D8CB6E
• Base-36: IG48E

Squares and roots of 30985070

• 30985070 squared (30985070²) is 960074562904900
• 30985070 cubed (30985070³) is 29747977536827729843000
• The square root of 30985070 is 5566.4234477805
• The cube root of 30985070 is 314.0876261593

Scales and comparisons

• 30,985,070 seconds is equal to 51 weeks, 1 day, 14 hours, 57 minutes, 50 seconds.
• To count from 1 to 30,985,070 would take you about twenty-four 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 30985070 cubic inches would be around 26.2 feet tall.

Recreational maths with 30985070

• 30985070 backwards is 07058903
• The number of decimal digits it has is: 8
• The sum of 30985070's digits is 32
• More coming soon!