1339381728

Names of 1339381728

• Cardinal: 1339381728 can be written as One billion, three hundred thirty-nine million, three hundred eighty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.339381728 × 10⁹

Factors of 1339381728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 407

Divisors of 1339381728

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 131 144 262 271 288 393 524 542 786 813 1048 1084 1179 1572 1626 2096 2168 2358 2439 3144 3252 4192 4336 4716 4878 6288 6504 8672 9432 9756 12576 13008 17161 18864 19512 26016 34322 35501 37728 39024 51483 68644 71002 78048 102966 106503 137288 142004 154449 205932 213006 274576 284008 308898 319509 411864 426012 549152 568016 617796 639018 823728 852024 1136032 1235592 1278036 1647456 1704048 2471184 2556072 3408096 4650631 4942368 5112144 9301262 10224288 13951893 18602524 27903786 37205048 41855679 55807572 74410096 83711358 111615144 148820192 167422716 223230288 334845432 446460576 669690864 1339381728
• Sum of all divisors σ(n): 3852327024
• Sum of proper divisors (its aliquot sum) s(n): 2512945296
• 1339381728 is an abundant number, because the sum of its proper divisors (2512945296) is greater than itself. Its abundance is 1173563568

Bases of 1339381728

• Binary: 1001111110101010101011111100000₂
• Hexadecimal: 0x4FD557E0
• Base-36: M5FLK0

Squares and roots of 1339381728

• 1339381728 squared (1339381728²) is 1793943413300265984
• 1339381728 cubed (1339381728³) is 2402775028840328436509540352
• The square root of 1339381728 is 36597.5645091307
• The cube root of 1339381728 is 1102.3041859959

Scales and comparisons

• 1,339,381,728 seconds is equal to 42 years, 30 weeks, 4 days, 2 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,339,381,728 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 1339381728 cubic inches would be around 91.9 feet tall.

Recreational maths with 1339381728

• 1339381728 backwards is 8271839331
• The number of decimal digits it has is: 10
• The sum of 1339381728's digits is 45
• More coming soon!