20180538 is an even 8-digits composite number following 20180537
and preceding 20180539 . In scientific notation, it is written as 2.0180538 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5765832 positive integers (up to 20180538) that are relatively prime to 20180538.
20180538 has 16 divisors, whose sum is 38439360
The reverse of 20180538 is 83508102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred eighty thousand five hundred thirty-eight
Scientific notation
2.0180538 × 10^7
Engineering notation
2.0180538 × 10^6
Prime Factorization
2 × 9 × 7 × 160163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20180538
Product of the distinct prime numbers
The prime factorization of 20180538 is 2 × 9 × 7 × 160163.
Since it has a total of 4 prime factors.
1 , 5 , 73 , 73 , 764 , 910 , 1932 , 1358 , 53186 , 10313 , 506638 , 741083 , 4988361 , 5417594 , 86902415 , 82107099 , 970841750 , 890779496 , 6833869446 , 6859518293
n×2
40361076
n×3
60541614
n×4
80722152
n×5
100902690
n÷2
10090269
n÷3
6726846
n÷3
5045134.5
n÷5
4036107.6
n2
407254113969444
n3
8.2186071226167E+21
n4
1.6585591334504E+29
n5
3.3470615617842E+36
2 √n
4492.2753700102
3 √n
272.25607552207
4 √n
67.024438602723
5 √n
28.905903468346
1 , 2 , 7 , 9 , 14 , 18 , 63 , 126 , 160163 , 320326 , 1121141 , 1441467 , 2242282 , 2882934 , 10090269 , 20180538
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
-20180537
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 20180538 can be divided by 16 positive divisors.
The sum of these divisors (counting 20180538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110111000111010
3
Ternary
1101222021111100
4
Quaternary
1030332320322
5
Quinary
20131234123
6
Senary
2000312230
8
Octal
114767072
10
Decimal
20180538
12
Duodecimal
6912676
16
Hexadecimal
133ee3a
20
Vigesimal
662b6i
36
Base36
c0jei
md5
405ebe243e9bf6f7e84499fec7164d69
sha1
98114fd0bcb5226f922a8a70abbdce495703fe07
sha256
c706ae608b8e062f25bcf512fa859b7b72bc8c4e12d62be004ff8d743b427eb2
sha512
15a97813c3c867b452f4be813eb5d7be9b63cbfdad74b9533dea9e57126ecb88f80356a1e6da92c380162aab2bd4e10097010901419a702a09b7b2f4da9f6681
ripemd-160
ccb354bd34daca85e24d5884835cbf9c482927d1
Diameter
40361076
Circumference
126798059.85258
Area
1.2794265325906E+15
Volume
3.4426021012204E+22
Surface area
5.1177061303625E+15
Circumference
126798059.85258
Perimeter
80722152
Area
407254113969444
Diagonal
28539590.535586
Surface area
2443524683816664
Volume
8.2186071226167E+21
Space diagonal
34953717.140074
Perimeter
60541614
Area
1.7634620424663E+14
Altitude
17476858.570037
Surface area
1.7634620424663E+14
Volume
9.6857213805172E+20
Height
9513196.8451952