28009398564

Names of 28009398564

• Cardinal: 28009398564 can be written as Twenty-eight billion, nine million, three hundred ninety-eight thousand, five hundred sixty-four.

Scientific notation

• Scientific notation: 2.8009398564 × 10¹⁰

Factors of 28009398564

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 333828

Divisors of 28009398564

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 37 42 54 63 74 81 84 108 111 126 148 162 189 222 252 259 324 333 378 444 518 567 666 756 777 999 1036 1134 1332 1554 1998 2268 2331 2997 3108 3996 4662 5994 6993 9324 11988 13986 20979 27972 41958 83916 333779 667558 1001337 1335116 2002674 2336453 3004011 4005348 4672906 6008022 7009359 9012033 9345812 12016044 12349823 14018718 18024066 21028077 24699646 27036099 28037436 36048132 37049469 42056154 49399292 54072198 63084231 74098938 84112308 86448761 108144396 111148407 126168462 148197876 172897522 189252693 222296814 252336924 259346283 333445221 345795044 378505386 444593628 518692566 666890442 757010772 778038849 1000335663 1037385132 1333780884 1556077698 2000671326 2334116547 3112155396 4001342652 4668233094 7002349641 9336466188 14004699282 28009398564
• Sum of all divisors σ(n): 85944344640
• Sum of proper divisors (its aliquot sum) s(n): 57934946076
• 28009398564 is an abundant number, because the sum of its proper divisors (57934946076) is greater than itself. Its abundance is 29925547512

Bases of 28009398564

• Binary: 11010000101011111011000000100100100₂
• Hexadecimal: 0x6857D8124
• Base-36: CV82M90

Squares and roots of 28009398564

• 28009398564 squared (28009398564²) is 784526407917005262096
• 28009398564 cubed (28009398564³) is 21974112843330645419332146030144
• The square root of 28009398564 is 167360.0865320043
• The cube root of 28009398564 is 3036.9286907229

Scales and comparisons

• 28,009,398,564 seconds is equal to 890 years, 31 weeks, 5 days, 20 hours, 29 minutes, 24 seconds.
• To count from 1 to 28,009,398,564 would take you about one thousand, seven hundred eighty-one 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 28009398564 cubic inches would be around 253.1 feet tall.

Recreational maths with 28009398564

• 28009398564 backwards is 46589390082
• 28009398564 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28009398564's digits is 54
• More coming soon!