30442538

Names of 30442538

• Cardinal: 30442538 can be written as Thirty million, four hundred forty-two thousand, five hundred thirty-eight.

Scientific notation

• Scientific notation: 3.0442538 × 10⁷

Factors of 30442538

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 942

Divisors of 30442538

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 7 14 43 61 86 122 301 427 602 829 854 1658 2623 5246 5803 11606 18361 35647 36722 50569 71294 101138 249529 353983 499058 707966 2174467 4348934 15221269 30442538
• Sum of all divisors σ(n): 54341760
• Sum of proper divisors (its aliquot sum) s(n): 23899222
• 30442538 is a deficient number, because the sum of its proper divisors (23899222) is less than itself. Its deficiency is 6543316

Bases of 30442538

• Binary: 1110100001000010000101010₂
• Hexadecimal: 0x1D0842A
• Base-36: I4HM2

Squares and roots of 30442538

• 30442538 squared (30442538²) is 926748119881444
• 30442538 cubed (30442538³) is 28212564855919414464872
• The square root of 30442538 is 5517.4756909297
• The cube root of 30442538 is 312.2436528131

Scales and comparisons

• 30,442,538 seconds is equal to 50 weeks, 2 days, 8 hours, 15 minutes, 38 seconds.
• To count from 1 to 30,442,538 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 30442538 cubic inches would be around 26 feet tall.

Recreational maths with 30442538

• 30442538 backwards is 83524403
• The number of decimal digits it has is: 8
• The sum of 30442538's digits is 29
• More coming soon!