28055580

Names of 28055580

• Cardinal: 28055580 can be written as Twenty-eight million, fifty-five thousand, five hundred eighty.

Scientific notation

• Scientific notation: 2.805558 × 10⁷

Factors of 28055580

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1081

Divisors of 28055580

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 67 70 84 105 134 140 201 210 268 335 402 420 469 670 804 938 997 1005 1340 1407 1876 1994 2010 2345 2814 2991 3988 4020 4690 4985 5628 5982 6979 7035 9380 9970 11964 13958 14070 14955 19940 20937 27916 28140 29910 34895 41874 59820 66799 69790 83748 104685 133598 139580 200397 209370 267196 333995 400794 418740 467593 667990 801588 935186 1001985 1335980 1402779 1870372 2003970 2337965 2805558 4007940 4675930 5611116 7013895 9351860 14027790 28055580
• Sum of all divisors σ(n): 91209216
• Sum of proper divisors (its aliquot sum) s(n): 63153636
• 28055580 is an abundant number, because the sum of its proper divisors (63153636) is greater than itself. Its abundance is 35098056

Bases of 28055580

• Binary: 1101011000001100000011100₂
• Hexadecimal: 0x1AC181C
• Base-36: GPBTO

Squares and roots of 28055580

• 28055580 squared (28055580²) is 787115569136400
• 28055580 cubed (28055580³) is 22082983819151801112000
• The square root of 28055580 is 5296.7518348513
• The cube root of 28055580 is 303.8596853613

Scales and comparisons

• 28,055,580 seconds is equal to 46 weeks, 2 days, 17 hours, 13 minutes.
• To count from 1 to 28,055,580 would take you about seventeen weeks!

  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 28055580 cubic inches would be around 25.3 feet tall.

Recreational maths with 28055580

• 28055580 backwards is 08555082
• The number of decimal digits it has is: 8
• The sum of 28055580's digits is 33
• More coming soon!