27728729912

Names of 27728729912

• Cardinal: 27728729912 can be written as Twenty-seven billion, seven hundred twenty-eight million, seven hundred twenty-nine thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 2.7728729912 × 10¹⁰

Factors of 27728729912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 49008

Divisors of 27728729912

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 13 26 43 52 86 104 127 172 254 344 508 559 1016 1118 1651 2236 3302 4472 5461 6604 10922 13208 21844 43688 48823 70993 97646 141986 195292 283972 390584 567944 634699 1269398 2099389 2538796 4198778 5077592 6200521 8397556 12401042 16795112 24802084 27292057 49604168 54584114 80606773 109168228 161213546 218336456 266622403 322427092 533244806 644854184 1066489612 2132979224 3466091239 6932182478 13864364956 27728729912
• Sum of all divisors σ(n): 57745121280
• Sum of proper divisors (its aliquot sum) s(n): 30016391368
• 27728729912 is an abundant number, because the sum of its proper divisors (30016391368) is greater than itself. Its abundance is 2287661456

Bases of 27728729912

• Binary: 11001110100110000101101011100111000₂
• Hexadecimal: 0x674C2D738
• Base-36: CQKYWXK

Squares and roots of 27728729912

• 27728729912 squared (27728729912²) is 768882462532643527744
• 27728729912 cubed (27728729912³) is 21320134137641131864188254678528
• The square root of 27728729912 is 166519.4580582101
• The cube root of 27728729912 is 3026.7507534735

Scales and comparisons

• 27,728,729,912 seconds is equal to 881 years, 35 weeks, 5 days, 8 hours, 58 minutes, 32 seconds.
• To count from 1 to 27,728,729,912 would take you about one thousand, seven hundred sixty-three 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 27728729912 cubic inches would be around 252.2 feet tall.

Recreational maths with 27728729912

• 27728729912 backwards is 21992782772
• The number of decimal digits it has is: 11
• The sum of 27728729912's digits is 56
• More coming soon!