28906500

Names of 28906500

• Cardinal: 28906500 can be written as Twenty-eight million, nine hundred six thousand, five hundred.

Scientific notation

• Scientific notation: 2.89065 × 10⁷

Factors of 28906500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2770

Divisors of 28906500

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 125 140 150 175 210 250 300 350 375 420 500 525 700 750 875 1050 1500 1750 2100 2625 2753 3500 5250 5506 8259 10500 11012 13765 16518 19271 27530 33036 38542 41295 55060 57813 68825 77084 82590 96355 115626 137650 165180 192710 206475 231252 275300 289065 344125 385420 412950 481775 578130 688250 825900 963550 1032375 1156260 1376500 1445325 1927100 2064750 2408875 2890650 4129500 4817750 5781300 7226625 9635500 14453250 28906500
• Sum of all divisors σ(n): 96235776
• Sum of proper divisors (its aliquot sum) s(n): 67329276
• 28906500 is an abundant number, because the sum of its proper divisors (67329276) is greater than itself. Its abundance is 38422776

Bases of 28906500

• Binary: 1101110010001010000000100₂
• Hexadecimal: 0x1B91404
• Base-36: H7KEC

Squares and roots of 28906500

• 28906500 squared (28906500²) is 835585742250000
• 28906500 cubed (28906500³) is 24153859258349625000000
• The square root of 28906500 is 5376.4765413791
• The cube root of 28906500 is 306.9011413031

Scales and comparisons

• 28,906,500 seconds is equal to 47 weeks, 5 days, 13 hours, 35 minutes.
• To count from 1 to 28,906,500 would take you about nineteen 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 28906500 cubic inches would be around 25.6 feet tall.

Recreational maths with 28906500

• 28906500 backwards is 00560982
• 28906500 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28906500's digits is 30
• More coming soon!