20685020 is an even 8-digits composite number following 20685019
and preceding 20685021 . In scientific notation, it is written as 2.0685020 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 8274000 positive integers (up to 20685020) that are relatively prime to 20685020.
20685020 has 12 divisors, whose sum is 43438584
The reverse of 20685020 is 02058602
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million six hundred eighty-five thousand twenty
Scientific notation
2.0685020 × 10^7
Engineering notation
2.0685020 × 10^6
Prime Factorization
2 × 2 × 5 × 1034251
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10342510
Product of the distinct prime numbers
The prime factorization of 20685020 is 2 × 2 × 5 × 1034251.
Since it has a total of 4 prime factors.
9 , 7 , 33 , 62 , 23 , 669 , 6569 , 6745 , 85499 , 18204 , 953056 , 155901 , 6622536 , 3206095 , 57008558 , 26299356 , 6916416 , 516961050 , 3840346127 , 3052449734
n×2
41370040
n×3
62055060
n×4
82740080
n×5
103425100
n÷2
10342510
n÷3
6895006.6666667
n÷3
5171255
n÷5
4137004
n2
427870052400400
n3
8.8505005913033E+21
n4
1.8307278174112E+29
n5
3.7868641517707E+36
2 √n
4548.0787152379
3 √n
274.50608865253
4 √n
67.439444802266
5 √n
29.049000164266
1 , 2 , 4 , 5 , 10 , 20 , 1034251 , 2068502 , 4137004 , 5171255 , 10342510 , 20685020
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685020 can be divided by 12 positive divisors.
The sum of these divisors (counting 20685020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111010000011011100
3
Ternary
1102220220111212
4
Quaternary
1032322003130
5
Quinary
20243410040
6
Senary
2015203552
8
Octal
116720334
10
Decimal
20685020
12
Duodecimal
6b165b8
16
Hexadecimal
13ba0dc
20
Vigesimal
695cb0
36
Base36
cbcnw
md5
620d5e16ea3d3e58e33ebc725e91570d
sha1
ab97d9fbc523e07d2f9297d5cd3a846f4d373988
sha256
cc5d3a969286e0f3784fb8154a1c43d0ba741c3410737ae782532ae98e932ffe
sha512
9e84cb516bbc11587451f001fd2869a9af408209fec2ccfefd5de1c964b093ddb9136abd168a8a119f24b26fa31e973382d386b0e133363fd8948b86746f2fa6
ripemd-160
7feb4111dd40b85998ce54c1b7d1a04418b1af51
Diameter
41370040
Circumference
129967813.74272
Area
1.3441934133122E+15
Volume
3.7072890184308E+22
Surface area
5.3767736532487E+15
Circumference
129967813.74272
Perimeter
82740080
Area
427870052400400
Diagonal
29253035.821959
Surface area
2567220314402400
Volume
8.8505005913033E+21
Space diagonal
35827505.595578
Perimeter
62055060
Area
1.8527316744866E+14
Altitude
17913752.797789
Surface area
1.8527316744866E+14
Volume
1.043041497501E+21
Height
9751011.9406529