42782250

Names of 42782250

• Cardinal: 42782250 can be written as Forty-two million, seven hundred eighty-two thousand, two hundred fifty.

Scientific notation

• Scientific notation: 4.278225 × 10⁷

Factors of 42782250

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 327

Divisors of 42782250

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 25 29 30 35 42 50 58 70 75 87 105 125 145 150 174 175 203 210 250 281 290 350 375 406 435 525 562 609 725 750 843 870 875 1015 1050 1218 1405 1450 1686 1750 1967 2030 2175 2625 2810 3045 3625 3934 4215 4350 5075 5250 5901 6090 7025 7250 8149 8430 9835 10150 10875 11802 14050 15225 16298 19670 21075 21750 24447 25375 29505 30450 35125 40745 42150 48894 49175 50750 57043 59010 70250 76125 81490 98350 105375 114086 122235 147525 152250 171129 203725 210750 244470 245875 285215 295050 342258 407450 491750 570430 611175 737625 855645 1018625 1222350 1426075 1475250 1711290 2037250 2852150 3055875 4278225 6111750 7130375 8556450 14260750 21391125 42782250
• Sum of all divisors σ(n): 126696960
• Sum of proper divisors (its aliquot sum) s(n): 83914710
• 42782250 is an abundant number, because the sum of its proper divisors (83914710) is greater than itself. Its abundance is 41132460

Bases of 42782250

• Binary: 10100011001100111000101010₂
• Hexadecimal: 0x28CCE2A
• Base-36: PGYZU

Squares and roots of 42782250

• 42782250 squared (42782250²) is 1830320915062500
• 42782250 cubed (42782250³) is 78305246968432640625000
• The square root of 42782250 is 6540.8141695053
• The cube root of 42782250 is 349.7474368397

Scales and comparisons

• 42,782,250 seconds is equal to 1 year, 18 weeks, 5 days, 3 hours, 57 minutes, 30 seconds.
• To count from 1 to 42,782,250 would take you about two 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 42782250 cubic inches would be around 29.1 feet tall.

Recreational maths with 42782250

• 42782250 backwards is 05228724
• 42782250 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42782250's digits is 30
• More coming soon!