1804140

Names of 1804140

• Cardinal: 1804140 can be written as One million, eight hundred four thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.80414 × 10⁶

Factors of 1804140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 280

Divisors of 1804140

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 130 135 156 180 195 234 257 260 270 351 390 468 514 540 585 702 771 780 1028 1170 1285 1404 1542 1755 2313 2340 2570 3084 3341 3510 3855 4626 5140 6682 6939 7020 7710 9252 10023 11565 13364 13878 15420 16705 20046 23130 27756 30069 33410 34695 40092 46260 50115 60138 66820 69390 90207 100230 120276 138780 150345 180414 200460 300690 360828 451035 601380 902070 1804140
• Sum of all divisors σ(n): 6068160
• Sum of proper divisors (its aliquot sum) s(n): 4264020
• 1804140 is an abundant number, because the sum of its proper divisors (4264020) is greater than itself. Its abundance is 2459880

Bases of 1804140

• Binary: 110111000011101101100₂
• Hexadecimal: 0x1B876C
• Base-36: 12O30

Squares and roots of 1804140

• 1804140 squared (1804140²) is 3254921139600
• 1804140 cubed (1804140³) is 5872333424797944000
• The square root of 1804140 is 1343.1827872631
• The cube root of 1804140 is 121.7372289337

Scales and comparisons

• 1,804,140 seconds is equal to 2 weeks, 6 days, 21 hours, 9 minutes.
• To count from 1 to 1,804,140 would take you about four 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 1804140 cubic inches would be around 10.1 feet tall.

Recreational maths with 1804140

• 1804140 backwards is 0414081
• 1804140 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 1804140's digits is 18
• More coming soon!