18042188 is an even 8-digits composite number following 18042187
and preceding 18042189 . In scientific notation, it is written as 1.8042188 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 8977920 positive integers (up to 18042188) that are relatively prime to 18042188.
18042188 has 12 divisors, whose sum is 31724952
The reverse of 18042188 is 88124081
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighteen million forty-two thousand one hundred eighty-eight
Scientific notation
1.8042188 × 10^7
Engineering notation
1.8042188 × 10^6
Prime Factorization
2 × 2 × 211 × 21377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9021094
Product of the distinct prime numbers
The prime factorization of 18042188 is 2 × 2 × 211 × 21377.
Since it has a total of 4 prime factors.
6 , 1 , 15 , 87 , 711 , 656 , 5590 , 5790 , 17039 , 70773 , 984572 , 81548 , 6128024 , 2485359 , 56024377 , 1116192 , 753960064 , 644966272 , 3389701703 , 4116508251
n×2
36084376
n×3
54126564
n×4
72168752
n×5
90210940
n÷2
9021094
n÷3
6014062.6666667
n÷3
4510547
n÷5
3608437.6
n2
325520547827344
n3
5.8731029217639E+21
n4
1.0596362705781E+29
n5
1.911815680539E+36
2 √n
4247.6096807499
3 √n
262.27872751573
4 √n
65.173688561795
5 √n
28.265576050182
1 , 2 , 4 , 211 , 422 , 844 , 21377 , 42754 , 85508 , 4510547 , 9021094 , 18042188
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18042187
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18042188 can be divided by 12 positive divisors.
The sum of these divisors (counting 18042188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000100110100110101001100
3
Ternary
1020221122020012
4
Quaternary
1010310311030
5
Quinary
14104322223
6
Senary
1442412352
8
Octal
104646514
10
Decimal
18042188
12
Duodecimal
60610b8
16
Hexadecimal
1134d4c
20
Vigesimal
5cf598
36
Base36
aqpfw
md5
77ea3ed466a4c8fb8b4501c33acd472e
sha1
db2d7b21875c810b952137223b78a850fa5b2851
sha256
c1b937f77994dd76737ab714e41e387aa4f5732a0a0e42a8ccbf3ced698c06ce
sha512
c192235330ee61f3ff37ebea2d7a4530b0e71560b18c73c1a144b724bc518b2b3715c634a31d8d25323dbce20a3634d6a7fa3044c8018b3959759908356abd7d
ripemd-160
6637471cba1f24e4b1bc03ab57b4da3b18f3995b
Diameter
36084376
Circumference
113362410.55097
Area
1.0226529616469E+15
Volume
2.4601195990387E+22
Surface area
4.0906118465876E+15
Circumference
113362410.55097
Perimeter
72168752
Area
325520547827344
Diagonal
25515506.964485
Surface area
1953123286964064
Volume
5.8731029217639E+21
Space diagonal
31249986.29571
Perimeter
54126564
Area
1.4095453193615E+14
Altitude
15624993.147855
Surface area
1.4095453193615E+14
Volume
6.9215181709763E+20
Height
8505168.9881617