55661272728

Names of 55661272728

• Cardinal: 55661272728 can be written as Fifty-five billion, six hundred sixty-one million, two hundred seventy-two thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 5.5661272728 × 10¹⁰

Factors of 55661272728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3477148

Divisors of 55661272728

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 23 24 29 46 58 69 87 92 116 138 174 184 232 276 348 552 667 696 1334 2001 2668 4002 5336 8004 16008 3477091 6954182 10431273 13908364 20862546 27816728 41725092 79973093 83450184 100835639 159946186 201671278 239919279 302506917 319892372 403342556 479838558 605013834 639784744 806685112 959677116 1210027668 1919354232 2319219697 2420055336 4638439394 6957659091 9276878788 13915318182 18553757576 27830636364 55661272728
• Sum of all divisors σ(n): 150210374400
• Sum of proper divisors (its aliquot sum) s(n): 94549101672
• 55661272728 is an abundant number, because the sum of its proper divisors (94549101672) is greater than itself. Its abundance is 38887828944

Bases of 55661272728

• Binary: 110011110101101010111001111010011000₂
• Hexadecimal: 0xCF5AB9E98
• Base-36: PKJA8WO

Squares and roots of 55661272728

• 55661272728 squared (55661272728²) is 3098177281700796561984
• 55661272728 cubed (55661272728³) is 172448490636441721131436180772352
• The square root of 55661272728 is 235926.4137988793
• The cube root of 55661272728 is 3818.1329273093

Scales and comparisons

• 55,661,272,728 seconds is equal to 1,769 years, 44 weeks, 3 days, 16 hours, 38 minutes, 48 seconds.
• To count from 1 to 55,661,272,728 would take you about three thousand, five hundred thirty-nine 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 55661272728 cubic inches would be around 318.2 feet tall.

Recreational maths with 55661272728

• 55661272728 backwards is 82727216655
• The number of decimal digits it has is: 11
• The sum of 55661272728's digits is 51
• More coming soon!