30725974

Names of 30725974

• Cardinal: 30725974 can be written as Thirty million, seven hundred twenty-five thousand, nine hundred seventy-four.

Scientific notation

• Scientific notation: 3.0725974 × 10⁷

Factors of 30725974

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1431

Divisors of 30725974

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 41 82 367 734 1021 2042 15047 30094 41861 83722 374707 749414 15362987 30725974
• Sum of all divisors σ(n): 47388096
• Sum of proper divisors (its aliquot sum) s(n): 16662122
• 30725974 is a deficient number, because the sum of its proper divisors (16662122) is less than itself. Its deficiency is 14063852

Bases of 30725974

• Binary: 1110101001101011101010110₂
• Hexadecimal: 0x1D4D756
• Base-36: IAKBA

Squares and roots of 30725974

• 30725974 squared (30725974²) is 944085478248676
• 30725974 cubed (30725974³) is 29007945858446384310424
• The square root of 30725974 is 5543.1014784143
• The cube root of 30725974 is 313.2097115571

Scales and comparisons

• 30,725,974 seconds is equal to 50 weeks, 5 days, 14 hours, 59 minutes, 34 seconds.
• To count from 1 to 30,725,974 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 30725974 cubic inches would be around 26.1 feet tall.

Recreational maths with 30725974

• 30725974 backwards is 47952703
• The number of decimal digits it has is: 8
• The sum of 30725974's digits is 37
• More coming soon!