20685055 is an odd 8-digits composite number following 20685054
and preceding 20685056 . In scientific notation, it is written as 2.0685055 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 16464096 positive integers (up to 20685055) that are relatively prime to 20685055.
20685055 has 8 divisors, whose sum is 24948000
The reverse of 20685055 is 55058602
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million six hundred eighty-five thousand fifty-five
Scientific notation
2.0685055 × 10^7
Engineering notation
2.0685055 × 10^6
Prime Factorization
5 × 199 × 20789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20685055
Product of the distinct prime numbers
The prime factorization of 20685055 is 5 × 199 × 20789.
Since it has a total of 3 prime factors.
5 , 8 , 4 , 73 , 363 , 240 , 5963 , 67 , 57023 , 50122 , 760277 , 927976 , 511736 , 8855379 , 57903371 , 59527977 , 713202857 , 658891041 , 8548527966 , 7197203518
n×2
41370110
n×3
62055165
n×4
82740220
n×5
103425275
n÷2
10342527.5
n÷3
6895018.3333333
n÷3
5171263.75
n÷5
4137011
n2
427871500353025
n3
8.8505455177348E+21
n4
1.8307402081435E+29
n5
3.7868961896159E+36
2 √n
4548.0825630149
3 √n
274.50624347806
4 √n
67.439473329904
5 √n
29.049009994706
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685054
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685055 can be divided by 8 positive divisors.
The sum of these divisors (counting 20685055) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010000011111111
3
Ternary
1102220220120011
4
Quaternary
1032322003333
5
Quinary
20243410210
6
Senary
2015204051
8
Octal
116720377
10
Decimal
20685055
12
Duodecimal
6b16627
16
Hexadecimal
13ba0ff
20
Vigesimal
695ccf
36
Base36
cbcov
md5
830c71f07816383e68c99ae1e6005dfd
sha1
b21b51089b9f5f60a47971cb6fd4321cb222c515
sha256
e7f2556cf054eb77ff0ed1666beba802d0189c829ad54628010048a0b9e24b20
sha512
16cdda8bef7477dcefd9271f1a3a72abe323c263b8db30c7a39053367aa3002372858a9764d9ec0a4550117e4eabe78e4cc032622682033a40952b7886451e17
ripemd-160
570746645af3753a9db46351a9d01dc1fdeeb0c9
Diameter
41370110
Circumference
129968033.6542
Area
1.3441979621895E+15
Volume
3.7073078371704E+22
Surface area
5.376791848758E+15
Circumference
129968033.6542
Perimeter
82740220
Area
427871500353025
Diagonal
29253085.319433
Surface area
2567229002118150
Volume
8.8505455177348E+21
Space diagonal
35827566.217357
Perimeter
62055165
Area
1.8527379443054E+14
Altitude
17913783.108678
Surface area
1.8527379443054E+14
Volume
1.0430467921318E+21
Height
9751028.4398111