30745430

Names of 30745430

• Cardinal: 30745430 can be written as Thirty million, seven hundred forty-five thousand, four hundred thirty.

Scientific notation

• Scientific notation: 3.074543 × 10⁷

Factors of 30745430

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 740

Divisors of 30745430

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 43 86 127 215 254 430 563 635 1126 1270 2815 5461 5630 10922 24209 27305 48418 54610 71501 121045 143002 242090 357505 715010 3074543 6149086 15372715 30745430
• Sum of all divisors σ(n): 57176064
• Sum of proper divisors (its aliquot sum) s(n): 26430634
• 30745430 is a deficient number, because the sum of its proper divisors (26430634) is less than itself. Its deficiency is 4314796

Bases of 30745430

• Binary: 1110101010010001101010110₂
• Hexadecimal: 0x1D52356
• Base-36: IAZBQ

Squares and roots of 30745430

• 30745430 squared (30745430²) is 945281465884900
• 30745430 cubed (30745430³) is 29063085139661581007000
• The square root of 30745430 is 5544.8561748705
• The cube root of 30745430 is 313.2758068023

Scales and comparisons

• 30,745,430 seconds is equal to 50 weeks, 5 days, 20 hours, 23 minutes, 50 seconds.
• To count from 1 to 30,745,430 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 30745430 cubic inches would be around 26.1 feet tall.

Recreational maths with 30745430

• 30745430 backwards is 03454703
• The number of decimal digits it has is: 8
• The sum of 30745430's digits is 26
• More coming soon!