1220973542

Names of 1220973542

• Cardinal: 1220973542 can be written as One billion, two hundred twenty million, nine hundred seventy-three thousand, five hundred forty-two.

Scientific notation

• Scientific notation: 1.220973542 × 10⁹

Factors of 1220973542

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3031

Divisors of 1220973542

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 419 809 838 1618 1801 3602 338971 677942 754619 1457009 1509238 2914018 610486771 1220973542
• Sum of all divisors σ(n): 1839121200
• Sum of proper divisors (its aliquot sum) s(n): 618147658
• 1220973542 is a deficient number, because the sum of its proper divisors (618147658) is less than itself. Its deficiency is 602825884

Bases of 1220973542

• Binary: 1001000110001101001001111100110₂
• Hexadecimal: 0x48C693E6
• Base-36: K6XP7Q

Squares and roots of 1220973542

• 1220973542 squared (1220973542²) is 1490776390264025764
• 1220973542 cubed (1220973542³) is 1820198529550641852250336088
• The square root of 1220973542 is 34942.4318272211
• The cube root of 1220973542 is 1068.8138782335

Scales and comparisons

• 1,220,973,542 seconds is equal to 38 years, 42 weeks, 5 days, 15 hours, 19 minutes, 2 seconds.
• To count from 1 to 1,220,973,542 would take you about seventy-seven 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 1220973542 cubic inches would be around 89.1 feet tall.

Recreational maths with 1220973542

• 1220973542 backwards is 2453790221
• The number of decimal digits it has is: 10
• The sum of 1220973542's digits is 35
• More coming soon!