1240821242

Names of 1240821242

• Cardinal: 1240821242 can be written as One billion, two hundred forty million, eight hundred twenty-one thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 1.240821242 × 10⁹

Factors of 1240821242

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 62045

Divisors of 1240821242

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 79 127 158 254 10033 20066 61837 123674 4885123 7853299 9770246 15706598 620410621 1240821242
• Sum of all divisors σ(n): 1899663360
• Sum of proper divisors (its aliquot sum) s(n): 658842118
• 1240821242 is a deficient number, because the sum of its proper divisors (658842118) is less than itself. Its deficiency is 581979124

Bases of 1240821242

• Binary: 1001001111101010110110111111010₂
• Hexadecimal: 0x49F56DFA
• Base-36: KIR3SQ

Squares and roots of 1240821242

• 1240821242 squared (1240821242²) is 1539637354598422564
• 1240821242 cubed (1240821242³) is 1910414734562409097103304488
• The square root of 1240821242 is 35225.2926460519
• The cube root of 1240821242 is 1074.5741935747

Scales and comparisons

• 1,240,821,242 seconds is equal to 39 years, 23 weeks, 4 days, 8 hours, 34 minutes, 2 seconds.
• To count from 1 to 1,240,821,242 would take you about seventy-eight 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 1240821242 cubic inches would be around 89.5 feet tall.

Recreational maths with 1240821242

• 1240821242 backwards is 2421280421
• The number of decimal digits it has is: 10
• The sum of 1240821242's digits is 26
• More coming soon!