29978972

Names of 29978972

• Cardinal: 29978972 can be written as Twenty-nine million, nine hundred seventy-eight thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 2.9978972 × 10⁷

Factors of 29978972

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7494745

Divisors of 29978972

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 7494743 14989486 29978972
• Sum of all divisors σ(n): 52463208
• Sum of proper divisors (its aliquot sum) s(n): 22484236
• 29978972 is a deficient number, because the sum of its proper divisors (22484236) is less than itself. Its deficiency is 7494736

Bases of 29978972

• Binary: 1110010010111000101011100₂
• Hexadecimal: 0x1C9715C
• Base-36: HUJX8

Squares and roots of 29978972

• 29978972 squared (29978972²) is 898738762176784
• 29978972 cubed (29978972³) is 26943264186612466586048
• The square root of 29978972 is 5475.3056535685
• The cube root of 29978972 is 310.6506348653

Scales and comparisons

• 29,978,972 seconds is equal to 49 weeks, 3 days, 23 hours, 29 minutes, 32 seconds.
• To count from 1 to 29,978,972 would take you about twenty-two 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 29978972 cubic inches would be around 25.9 feet tall.

Recreational maths with 29978972

• 29978972 backwards is 27987992
• The number of decimal digits it has is: 8
• The sum of 29978972's digits is 53
• More coming soon!