13428982728

Names of 13428982728

• Cardinal: 13428982728 can be written as Thirteen billion, four hundred twenty-eight million, nine hundred eighty-two thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3428982728 × 10¹⁰

Factors of 13428982728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1963

Divisors of 13428982728

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 126 147 168 196 252 294 392 441 504 588 882 1176 1764 1951 3528 3902 5853 7804 11706 13657 15608 17559 23412 27314 35118 40971 46824 54628 70236 81942 95599 109256 122913 140472 163884 191198 245826 286797 327768 382396 491652 573594 764792 860391 983304 1147188 1720782 2294376 3441564 3806401 6883128 7612802 11419203 15225604 22838406 26644807 30451208 34257609 45676812 53289614 68515218 79934421 91353624 106579228 137030436 159868842 186513649 213158456 239803263 274060872 319737684 373027298 479606526 559540947 639475368 746054596 959213052 1119081894 1492109192 1678622841 1918426104 2238163788 3357245682 4476327576 6714491364 13428982728
• Sum of all divisors σ(n): 42329843595
• Sum of proper divisors (its aliquot sum) s(n): 28900860867
• 13428982728 is an abundant number, because the sum of its proper divisors (28900860867) is greater than itself. Its abundance is 15471878139

Bases of 13428982728

• Binary: 1100100000011011100000001111001000₂
• Hexadecimal: 0x3206E03C8
• Base-36: 6639PE0

Squares and roots of 13428982728

• 13428982728 squared (13428982728²) is 180337577108922321984
• 13428982728 cubed (13428982728³) is 2421750208205086036616790692352
• The square root of 13428982728 is 115883.4877279761
• The cube root of 13428982728 is 2376.9189427443

Scales and comparisons

• 13,428,982,728 seconds is equal to 427 years, 58 minutes, 48 seconds.
• To count from 1 to 13,428,982,728 would take you about eight hundred fifty-four 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 13428982728 cubic inches would be around 198.1 feet tall.

Recreational maths with 13428982728

• 13428982728 backwards is 82728982431
• The number of decimal digits it has is: 11
• The sum of 13428982728's digits is 54
• More coming soon!