1420020

Names of 1420020

• Cardinal: 1420020 can be written as One million, four hundred twenty thousand and twenty.

Scientific notation

• Scientific notation: 1.42002 × 10⁶

Factors of 1420020

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 40

Divisors of 1420020

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 23 28 30 35 36 42 45 46 49 60 63 69 70 84 90 92 98 105 115 126 138 140 147 161 180 196 207 210 230 245 252 276 294 315 322 343 345 414 420 441 460 483 490 588 630 644 686 690 735 805 828 882 966 980 1029 1035 1127 1260 1372 1380 1449 1470 1610 1715 1764 1932 2058 2070 2205 2254 2415 2898 2940 3087 3220 3381 3430 4116 4140 4410 4508 4830 5145 5635 5796 6174 6762 6860 7245 7889 8820 9660 10143 10290 11270 12348 13524 14490 15435 15778 16905 20286 20580 22540 23667 28980 30870 31556 33810 39445 40572 47334 50715 61740 67620 71001 78890 94668 101430 118335 142002 157780 202860 236670 284004 355005 473340 710010 1420020
• Sum of all divisors σ(n): 5241600
• Sum of proper divisors (its aliquot sum) s(n): 3821580
• 1420020 is an abundant number, because the sum of its proper divisors (3821580) is greater than itself. Its abundance is 2401560

Bases of 1420020

• Binary: 101011010101011110100₂
• Hexadecimal: 0x15AAF4
• Base-36: UFP0

Squares and roots of 1420020

• 1420020 squared (1420020²) is 2016456800400
• 1420020 cubed (1420020³) is 2863408985704008000
• The square root of 1420020 is 1191.6459205655
• The cube root of 1420020 is 112.3996141541

Scales and comparisons

• 1,420,020 seconds is equal to 2 weeks, 2 days, 10 hours, 27 minutes.
• To count from 1 to 1,420,020 would take you about three 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 1420020 cubic inches would be around 9.4 feet tall.

Recreational maths with 1420020

• 1420020 backwards is 0200241
• 1420020 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 1420020's digits is 9
• More coming soon!