20685898 is an even 8-digits composite number following 20685897
and preceding 20685899 . In scientific notation, it is written as 2.0685898 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 10342948 positive integers (up to 20685898) that are relatively prime to 20685898.
20685898 has 4 divisors, whose sum is 31028850
The reverse of 20685898 is 89858602
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million six hundred eighty-five thousand eight hundred ninety-eight
Scientific notation
2.0685898 × 10^7
Engineering notation
2.0685898 × 10^6
Prime Factorization
2 × 10342949
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20685898
Product of the distinct prime numbers
The prime factorization of 20685898 is 2 × 10342949.
Since it has a total of 2 prime factors.
6 , 4 , 61 , 74 , 614 , 118 , 2786 , 7280 , 62457 , 19419 , 110996 , 4501 , 4060848 , 9054099 , 40558897 , 14583373 , 648845592 , 516604177 , 5779682327 , 7573541903
n×2
41371796
n×3
62057694
n×4
82743592
n×5
103429490
n÷2
10342949
n÷3
6895299.3333333
n÷3
5171474.5
n÷5
4137179.6
n2
427906376066404
n3
8.8516276488593E+21
n4
1.8310386667828E+29
n5
3.7876679095126E+36
2 √n
4548.1752384885
3 √n
274.50997250883
4 √n
67.440160427512
5 √n
29.049246763874
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685897
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685898 can be divided by 4 positive divisors.
The sum of these divisors (counting 20685898) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111010010001001010
3
Ternary
1102220221201101
4
Quaternary
1032322101022
5
Quinary
20243422043
6
Senary
2015212014
8
Octal
116722112
10
Decimal
20685898
12
Duodecimal
6b1700a
16
Hexadecimal
13ba44a
20
Vigesimal
695eei
36
Base36
cbdca
md5
ab4440a1e68d57c340a7bf451e3ede3a
sha1
4dfb513fd0a7bc2f82cef9b5cd9e9cdd91cd8ec4
sha256
e0c60794d93a795a4189fab287f46448177b24ce4a0bd46b9dfa9d28d6445f42
sha512
2581c251065093fd9041ae03bb2e11945a5f9f07cb49cbd28cb760294df49f3eee751ee1c882a92c90fa9f2fcc9d3115515a93d65c08e19559c3a2416daef8ab
ripemd-160
9cd650364932ae3057773dd2e030db1f9f2044aa
Diameter
41371796
Circumference
129973330.37942
Area
1.3443075274744E+15
Volume
3.7077611191958E+22
Surface area
5.3772301098978E+15
Circumference
129973330.37942
Perimeter
82743592
Area
427906376066404
Diagonal
29254277.501466
Surface area
2567438256398424
Volume
8.8516276488593E+21
Space diagonal
35829026.336187
Perimeter
62057694
Area
1.8528889605742E+14
Altitude
17914513.168094
Surface area
1.8528889605742E+14
Volume
1.0431743225078E+21
Height
9751425.8338222