20685042 is an even 8-digits composite number following 20685041
and preceding 20685043 . In scientific notation, it is written as 2.0685042 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5870880 positive integers (up to 20685042) that are relatively prime to 20685042.
20685042 has 16 divisors, whose sum is 31729152
The reverse of 20685042 is 24058602
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million six hundred eighty-five thousand forty-two
Scientific notation
2.0685042 × 10^7
Engineering notation
2.0685042 × 10^6
Prime Factorization
2 × 63 × 181 × 907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20685042
Product of the distinct prime numbers
The prime factorization of 20685042 is 2 × 63 × 181 × 907.
Since it has a total of 4 prime factors.
8 , 1 , 26 , 66 , 447 , 252 , 3225 , 8978 , 65072 , 46765 , 345751 , 476911 , 5241343 , 3973152 , 30128399 , 12930899 , 533706835 , 522471464 , 6658027144 , 7156904035
n×2
41370084
n×3
62055126
n×4
82740168
n×5
103425210
n÷2
10342521
n÷3
6895014
n÷3
5171260.5
n÷5
4137008.4
n2
427870962541764
n3
8.8505288307568E+21
n4
1.8307356058642E+29
n5
3.7868842898196E+36
2 √n
4548.081133841
3 √n
274.50618597146
4 √n
67.439462733929
5 √n
29.049006343401
1 , 2 , 63 , 126 , 181 , 362 , 907 , 1814 , 11403 , 22806 , 57141 , 114282 , 164167 , 328334 , 10342521 , 20685042
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685041
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685042 can be divided by 16 positive divisors.
The sum of these divisors (counting 20685042) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010000011110010
3
Ternary
1102220220112200
4
Quaternary
1032322003302
5
Quinary
20243410132
6
Senary
2015204030
8
Octal
116720362
10
Decimal
20685042
12
Duodecimal
6b16616
16
Hexadecimal
13ba0f2
20
Vigesimal
695cc2
36
Base36
cbcoi
md5
ce446805c1c5d88eb06201800211de65
sha1
c99932ec648125cc075b65cd5e98ca057aaa800a
sha256
5d506ff4bedb58ddacfbd6992dd58562a99928e83f6a4e145056ebc3dbea894c
sha512
201ee626203e0cb7da34b5ad6c8da7982986ff453d6e5b9db7761d8b44e90b741b3476b065195225dc514dc755581c625b1679d99415c1eae8340cd51cd0eff1
ripemd-160
15cebf59c4847b307350fbef8a3cca87aa19799c
Diameter
41370084
Circumference
129967951.97279
Area
1.3441962726056E+15
Volume
3.7073008473454E+22
Surface area
5.3767850904224E+15
Circumference
129967951.97279
Perimeter
82740168
Area
427870962541764
Diagonal
29253066.934657
Surface area
2567225775250584
Volume
8.8505288307568E+21
Space diagonal
35827543.700696
Perimeter
62055126
Area
1.8527356155143E+14
Altitude
17913771.850348
Surface area
1.8527356155143E+14
Volume
1.0430448255525E+21
Height
9751022.3115524