28427721696

Names of 28427721696

• Cardinal: 28427721696 can be written as Twenty-eight billion, four hundred twenty-seven million, seven hundred twenty-one thousand, six hundred ninety-six.

Scientific notation

• Scientific notation: 2.8427721696 × 10¹⁰

Factors of 28427721696

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 28998

Divisors of 28427721696

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 176 198 264 288 313 352 396 528 626 792 939 1056 1252 1584 1878 2504 2817 3168 3443 3756 5008 5634 6886 7512 10016 10329 11268 13772 15024 20658 22536 27544 28669 30048 30987 41316 45072 55088 57338 61974 82632 86007 90144 110176 114676 123948 165264 172014 229352 247896 258021 315359 330528 344028 458704 495792 516042 630718 688056 917408 946077 991584 1032084 1261436 1376112 1892154 2064168 2522872 2752224 2838231 3784308 4128336 5045744 5676462 7568616 8256672 8973397 10091488 11352924 15137232 17946794 22705848 26920191 30274464 35893588 45411696 53840382 71787176 80760573 90823392 98707367 107680764 143574352 161521146 197414734 215361528 287148704 296122101 323042292 394829468 430723056 592244202 646084584 789658936 861446112 888366303 1184488404 1292169168 1579317872 1776732606 2368976808 2584338336 3158635744 3553465212 4737953616 7106930424 9475907232 14213860848 28427721696
• Sum of all divisors σ(n): 88475390640
• Sum of proper divisors (its aliquot sum) s(n): 60047668944
• 28427721696 is an abundant number, because the sum of its proper divisors (60047668944) is greater than itself. Its abundance is 31619947248

Bases of 28427721696

• Binary: 11010011110011011001001101111100000₂
• Hexadecimal: 0x69E6C9BE0
• Base-36: D254QG0

Squares and roots of 28427721696

• 28427721696 squared (28427721696²) is 808135360825229116416
• 28427721696 cubed (28427721696³) is 22973447130236154216910032961536
• The square root of 28427721696 is 168605.2244030415
• The cube root of 28427721696 is 3051.9729846961

Scales and comparisons

• 28,427,721,696 seconds is equal to 903 years, 47 weeks, 3 days, 13 hours, 21 minutes, 36 seconds.
• To count from 1 to 28,427,721,696 would take you about one thousand, eight hundred seven 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 28427721696 cubic inches would be around 254.3 feet tall.

Recreational maths with 28427721696

• 28427721696 backwards is 69612772482
• The number of decimal digits it has is: 11
• The sum of 28427721696's digits is 54
• More coming soon!