1428389236728

Names of 1428389236728

• Cardinal: 1428389236728 can be written as One trillion, four hundred twenty-eight billion, three hundred eighty-nine million, two hundred thirty-six thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.428389236728 × 10¹²

Factors of 1428389236728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1882

Divisors of 1428389236728

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 1877 3754 5631 7508 11262 15016 16893 22524 33786 45048 50679 67572 101358 135144 202716 405432 3523129 7046258 10569387 14092516 21138774 28185032 31708161 42277548 63416322 84555096 95124483 126832644 190248966 253665288 380497932 760995864
• Sum of all divisors σ(n): 1429743245064
• Sum of proper divisors (its aliquot sum) s(n): 1354008336
• 1428389236728 is a deficient number, because the sum of its proper divisors (1354008336) is less than itself. Its deficiency is 1427035228392

Bases of 1428389236728

• Binary: 10100110010010010101000100000111111111000₂
• Hexadecimal: 0x14C92A20FF8
• Base-36: I86Y2KU0

Squares and roots of 1428389236728

• 1428389236728 squared (1428389236728²) is 2040295811600398424145984
• 1428389236728 cubed (1428389236728³) is 2914336577031228393206576091006500352
• The square root of 1428389236728 is 1195152.3905879115
• 1428389236728 is a perfect cube number. Its cube root is 11262

Scales and comparisons

• 1,428,389,236,728 seconds is equal to 45,418 years, 18 weeks, 4 days, 19 hours, 58 minutes, 48 seconds.
• To count from 1 to 1,428,389,236,728 would take you about one hundred thirteen thousand, five hundred forty-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 1428389236728 cubic inches would be around 938.5 feet tall.

Recreational maths with 1428389236728

• 1428389236728 backwards is 8276329838241
• The number of decimal digits it has is: 13
• The sum of 1428389236728's digits is 63
• More coming soon!