28042700

Names of 28042700

• Cardinal: 28042700 can be written as Twenty-eight million, forty-two thousand, seven hundred.

Scientific notation

• Scientific notation: 2.80427 × 10⁷

Factors of 28042700

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 170

Divisors of 28042700

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 35 49 50 59 70 97 98 100 118 140 175 194 196 236 245 295 350 388 413 485 490 590 679 700 826 970 980 1180 1225 1358 1475 1652 1940 2065 2425 2450 2716 2891 2950 3395 4130 4753 4850 4900 5723 5782 5900 6790 8260 9506 9700 10325 11446 11564 13580 14455 16975 19012 20650 22892 23765 28615 28910 33950 40061 41300 47530 57230 57820 67900 72275 80122 95060 114460 118825 143075 144550 160244 200305 237650 280427 286150 289100 400610 475300 560854 572300 801220 1001525 1121708 1402135 2003050 2804270 4006100 5608540 7010675 14021350 28042700
• Sum of all divisors σ(n): 72729720
• Sum of proper divisors (its aliquot sum) s(n): 44687020
• 28042700 is an abundant number, because the sum of its proper divisors (44687020) is greater than itself. Its abundance is 16644320

Bases of 28042700

• Binary: 1101010111110010111001100₂
• Hexadecimal: 0x1ABE5CC
• Base-36: GP1VW

Squares and roots of 28042700

• 28042700 squared (28042700²) is 786393023290000
• 28042700 cubed (28042700³) is 22052583634214483000000
• The square root of 28042700 is 5295.5358557939
• The cube root of 28042700 is 303.8131787271

Scales and comparisons

• 28,042,700 seconds is equal to 46 weeks, 2 days, 13 hours, 38 minutes, 20 seconds.
• To count from 1 to 28,042,700 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 28042700 cubic inches would be around 25.3 feet tall.

Recreational maths with 28042700

• 28042700 backwards is 00724082
• The number of decimal digits it has is: 8
• The sum of 28042700's digits is 23
• More coming soon!