30426490

Names of 30426490

• Cardinal: 30426490 can be written as Thirty million, four hundred twenty-six thousand, four hundred ninety.

Scientific notation

• Scientific notation: 3.042649 × 10⁷

Factors of 30426490

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 4577

Divisors of 30426490

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 10 809 1618 3761 4045 7522 8090 18805 37610 3042649 6085298 15213245 30426490
• Sum of all divisors σ(n): 54849960
• Sum of proper divisors (its aliquot sum) s(n): 24423470
• 30426490 is a deficient number, because the sum of its proper divisors (24423470) is less than itself. Its deficiency is 6003020

Bases of 30426490

• Binary: 1110100000100010101111010₂
• Hexadecimal: 0x1D0457A
• Base-36: I458A

Squares and roots of 30426490

• 30426490 squared (30426490²) is 925771293720100
• 30426490 cubed (30426490³) is 28167971010661685449000
• The square root of 30426490 is 5516.0212109817
• The cube root of 30426490 is 312.1887760165

Scales and comparisons

• 30,426,490 seconds is equal to 50 weeks, 2 days, 3 hours, 48 minutes, 10 seconds.
• To count from 1 to 30,426,490 would take you about twenty-three 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 30426490 cubic inches would be around 26 feet tall.

Recreational maths with 30426490

• 30426490 backwards is 09462403
• The number of decimal digits it has is: 8
• The sum of 30426490's digits is 28
• More coming soon!