27129672728

Names of 27129672728

• Cardinal: 27129672728 can be written as Twenty-seven billion, one hundred twenty-nine million, six hundred seventy-two thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.7129672728 × 10¹⁰

Factors of 27129672728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 232

Divisors of 27129672728

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 19 38 76 152 211 361 422 722 844 1444 1688 2888 4009 8018 16036 32072 44521 76171 89042 152342 178084 304684 356168 609368 845899 1691798 3383596 6767192 9393931 16072081 18787862 32144162 37575724 64288324 75151448 128576648 178484689 356969378 713938756 1427877512 3391209091 6782418182 13564836364 27129672728
• Sum of all divisors σ(n): 53941964760
• Sum of proper divisors (its aliquot sum) s(n): 26812292032
• 27129672728 is a deficient number, because the sum of its proper divisors (26812292032) is less than itself. Its deficiency is 317380696

Bases of 27129672728

• Binary: 11001010001000011011111010000011000₂
• Hexadecimal: 0x6510DF418
• Base-36: CGOB1G8

Squares and roots of 27129672728

• 27129672728 squared (27129672728²) is 736019142328386961984
• 27129672728 cubed (27129672728³) is 19967958452912390182768097572352
• The square root of 27129672728 is 164710.8761679081
• The cube root of 27129672728 is 3004.7950254565

Scales and comparisons

• 27,129,672,728 seconds is equal to 862 years, 33 weeks, 1 day, 20 hours, 12 minutes, 8 seconds.
• To count from 1 to 27,129,672,728 would take you about one thousand, seven hundred twenty-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 27129672728 cubic inches would be around 250.4 feet tall.

Recreational maths with 27129672728

• 27129672728 backwards is 82727692172
• The number of decimal digits it has is: 11
• The sum of 27129672728's digits is 53
• More coming soon!