42152509

Names of 42152509

• Cardinal: 42152509 can be written as Forty-two million, one hundred fifty-two thousand, five hundred nine.

Scientific notation

• Scientific notation: 4.2152509 × 10⁷

Factors of 42152509

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 162795

Divisors of 42152509

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 37 259 162751 1139257 6021787 42152509
• Sum of all divisors σ(n): 49476608
• Sum of proper divisors (its aliquot sum) s(n): 7324099
• 42152509 is a deficient number, because the sum of its proper divisors (7324099) is less than itself. Its deficiency is 34828410

Bases of 42152509

• Binary: 10100000110011001000111101₂
• Hexadecimal: 0x283323D
• Base-36: P3H31

Squares and roots of 42152509

• 42152509 squared (42152509²) is 1776834014995081
• 42152509 cubed (42152509³) is 74898011808586286808229
• The square root of 42152509 is 6492.4963611849
• The cube root of 42152509 is 348.0228906641

Scales and comparisons

• 42,152,509 seconds is equal to 1 year, 17 weeks, 4 days, 21 hours, 1 minute, 49 seconds.
• To count from 1 to 42,152,509 would take you about two years!

  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 42152509 cubic inches would be around 29 feet tall.

Recreational maths with 42152509

• 42152509 backwards is 90525124
• The number of decimal digits it has is: 8
• The sum of 42152509's digits is 28
• More coming soon!