1338142961

Names of 1338142961

• Cardinal: 1338142961 can be written as One billion, three hundred thirty-eight million, one hundred forty-two thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 1.338142961 × 10⁹

Factors of 1338142961

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 111823

Divisors of 1338142961

• Number of divisors d(n): 8
• Complete list of divisors:
  1 67 179 11993 111577 7475659 19972283 1338142961
• Sum of all divisors σ(n): 1365714720
• Sum of proper divisors (its aliquot sum) s(n): 27571759
• 1338142961 is a deficient number, because the sum of its proper divisors (27571759) is less than itself. Its deficiency is 1310571202

Bases of 1338142961

• Binary: 1001111110000100111000011110001₂
• Hexadecimal: 0x4FC270F1
• Base-36: M4P1PT

Squares and roots of 1338142961

• 1338142961 squared (1338142961²) is 1790626584073847521
• 1338142961 cubed (1338142961³) is 2396114359257893764413449681
• The square root of 1338142961 is 36580.6364214731
• The cube root of 1338142961 is 1101.9642482443

Scales and comparisons

• 1,338,142,961 seconds is equal to 42 years, 28 weeks, 3 days, 18 hours, 22 minutes, 41 seconds.
• To count from 1 to 1,338,142,961 would take you about eighty-five 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 1338142961 cubic inches would be around 91.8 feet tall.

Recreational maths with 1338142961

• 1338142961 backwards is 1692418331
• The number of decimal digits it has is: 10
• The sum of 1338142961's digits is 38
• More coming soon!