2020720

Names of 2020720

• Cardinal: 2020720 can be written as Two million, twenty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.02072 × 10⁶

Factors of 2020720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 116

Divisors of 2020720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 29 40 52 58 65 67 80 104 116 130 134 145 208 232 260 268 290 335 377 464 520 536 580 670 754 871 1040 1072 1160 1340 1508 1742 1885 1943 2320 2680 3016 3484 3770 3886 4355 5360 6032 6968 7540 7772 8710 9715 13936 15080 15544 17420 19430 25259 30160 31088 34840 38860 50518 69680 77720 101036 126295 155440 202072 252590 404144 505180 1010360 2020720
• Sum of all divisors σ(n): 5312160
• Sum of proper divisors (its aliquot sum) s(n): 3291440
• 2020720 is an abundant number, because the sum of its proper divisors (3291440) is greater than itself. Its abundance is 1270720

Bases of 2020720

• Binary: 111101101010101110000₂
• Hexadecimal: 0x1ED570
• Base-36: 17B74

Squares and roots of 2020720

• 2020720 squared (2020720²) is 4083309318400
• 2020720 cubed (2020720³) is 8251224805877248000
• The square root of 2020720 is 1421.5203129045
• The cube root of 2020720 is 126.4257037939

Scales and comparisons

• 2,020,720 seconds is equal to 3 weeks, 2 days, 9 hours, 18 minutes, 40 seconds.
• To count from 1 to 2,020,720 would take you about five 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 2020720 cubic inches would be around 10.5 feet tall.

Recreational maths with 2020720

• 2020720 backwards is 0270202
• 2020720 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 2020720's digits is 13
• More coming soon!