20168538 is an even 8-digits composite number following 20168537
and preceding 20168539 . In scientific notation, it is written as 2.0168538 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 5676480 positive integers (up to 20168538) that are relatively prime to 20168538.
20168538 has 16 divisors, whose sum is 30771840
The reverse of 20168538 is 83586102
Previous prime number is 247
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred sixty-eight thousand five hundred thirty-eight
Scientific notation
2.0168538 × 10^7
Engineering notation
2.0168538 × 10^6
Prime Factorization
2 × 93 × 247 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20168538
Product of the distinct prime numbers
The prime factorization of 20168538 is 2 × 93 × 247 × 439.
Since it has a total of 4 prime factors.
7 , 3 , 72 , 26 , 906 , 127 , 7615 , 4084 , 39399 , 96938 , 435630 , 338416 , 1087963 , 4242762 , 10452747 , 88819943 , 220900921 , 816062291 , 7180246259 , 7388778379
n×2
40337076
n×3
60505614
n×4
80674152
n×5
100842690
n÷2
10084269
n÷3
6722846
n÷3
5042134.5
n÷5
4033707.6
n2
406769925057444
n3
8.2039546907782E+21
n4
1.6546177193124E+29
n5
3.3371220347425E+36
2 √n
4490.9395453513
3 √n
272.20210073558
4 √n
67.014472655922
5 √n
28.902464973542
1 , 2 , 93 , 186 , 247 , 439 , 494 , 878 , 22971 , 40827 , 45942 , 81654 , 108433 , 216866 , 10084269 , 20168538
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
-20168537
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 20168538 can be divided by 16 positive divisors.
The sum of these divisors (counting 20168538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111011111101011010
3
Ternary
1101221200000220
4
Quaternary
1030323331122
5
Quinary
20130343123
6
Senary
2000140510
8
Octal
114737532
10
Decimal
20168538
12
Duodecimal
6907736
16
Hexadecimal
133bf5a
20
Vigesimal
66116i
36
Base36
c0a56
md5
fde1244e94cc714c6e19a629ae40aca7
sha1
13cdc03cb55ced51936825e199a71be4512cc623
sha256
b760fedcc24823f903c58e827e3f4da67faf5187b147e97c3f51d73eadb0904c
sha512
c10f7a13a7c21032f72616df9d656dec0d0f51263f039efb17e5e21eda6be39208da2fb32f52195ba67fe9622ce59ba623e5e87a7684fbaf9f983734068388bc
ripemd-160
dae593e4c47e37e46f06ceddf082bf532ca6451b
Diameter
40337076
Circumference
126722661.62889
Area
1.2779054082617E+15
Volume
3.4364645049243E+22
Surface area
5.1116216330469E+15
Circumference
126722661.62889
Perimeter
80674152
Area
406769925057444
Diagonal
28522619.972837
Surface area
2440619550344664
Volume
8.2039546907782E+21
Space diagonal
34932932.530384
Perimeter
60505614
Area
1.7613654429762E+14
Altitude
17466466.265192
Surface area
1.7613654429762E+14
Volume
9.6684533239941E+20
Height
9507539.9909457