1338997842

Names of 1338997842

• Cardinal: 1338997842 can be written as One billion, three hundred thirty-eight million, nine hundred ninety-seven thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.338997842 × 10⁹

Factors of 1338997842

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6045

Divisors of 1338997842

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 139 182 234 273 278 417 546 819 834 973 1251 1638 1807 1946 2502 2919 3614 5421 5838 5881 8757 10842 11762 12649 16263 17514 17643 25298 32526 35286 37947 41167 52929 75894 76453 82334 105858 113841 123501 152906 227682 229359 247002 370503 458718 535171 688077 741006 817459 1070342 1376154 1605513 1634918 2452377 3211026 4816539 4904754 5722213 7357131 9633078 10626967 11444426 14714262 17166639 21253934 31880901 34333278 51499917 63761802 74388769 95642703 102999834 148777538 191285406 223166307 446332614 669498921 1338997842
• Sum of all divisors σ(n): 3596960640
• Sum of proper divisors (its aliquot sum) s(n): 2257962798
• 1338997842 is an abundant number, because the sum of its proper divisors (2257962798) is greater than itself. Its abundance is 918964956

Bases of 1338997842

• Binary: 1001111110011110111110001010010₂
• Hexadecimal: 0x4FCF7C52
• Base-36: M57DCI

Squares and roots of 1338997842

• 1338997842 squared (1338997842²) is 1792915220880656964
• 1338997842 cubed (1338997842³) is 2400709611648153014338271688
• The square root of 1338997842 is 36592.3194400137
• The cube root of 1338997842 is 1102.1988638735

Scales and comparisons

• 1,338,997,842 seconds is equal to 42 years, 29 weeks, 6 days, 15 hours, 50 minutes, 42 seconds.
• To count from 1 to 1,338,997,842 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 1338997842 cubic inches would be around 91.8 feet tall.

Recreational maths with 1338997842

• 1338997842 backwards is 2487998331
• The number of decimal digits it has is: 10
• The sum of 1338997842's digits is 54
• More coming soon!