28161188 is an even 8-digits composite number following 28161187
and preceding 28161189 . In scientific notation, it is written as 2.8161188 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 12800520 positive integers (up to 28161188) that are relatively prime to 28161188.
28161188 has 12 divisors, whose sum is 53762352
The reverse of 28161188 is 88116182
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million one hundred sixty-one thousand one hundred eighty-eight
Scientific notation
2.8161188 × 10^7
Engineering notation
2.8161188 × 10^6
Prime Factorization
2 × 2 × 11 × 640027
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14080594
Product of the distinct prime numbers
The prime factorization of 28161188 is 2 × 2 × 11 × 640027.
Since it has a total of 4 prime factors.
5 , 4 , 7 , 31 , 533 , 387 , 7899 , 9954 , 86117 , 54685 , 612451 , 407594 , 7624834 , 6171038 , 68552041 , 10451612 , 876315861 , 601987067 , 7578601403 , 7242212746
n×2
56322376
n×3
84483564
n×4
112644752
n×5
140805940
n÷2
14080594
n÷3
9387062.6666667
n÷3
7040297
n÷5
5632237.6
n2
793052509571344
n3
2.233330081591E+22
n4
6.2893228293741E+29
n5
1.771148025907E+37
2 √n
5306.7115994748
3 √n
304.24047512227
4 √n
72.847179763356
5 √n
30.89798758775
1 , 2 , 4 , 11 , 22 , 44 , 640027 , 1280054 , 2560108 , 7040297 , 14080594 , 28161188
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
-28161187
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 28161188 can be divided by 12 positive divisors.
The sum of these divisors (counting 28161188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011011011010010100100
3
Ternary
1221222201212222
4
Quaternary
1223123102210
5
Quinary
24202124223
6
Senary
2443331512
8
Octal
153332244
10
Decimal
28161188
12
Duodecimal
9520b98
16
Hexadecimal
1adb4a4
20
Vigesimal
8g02j8
36
Base36
grlb8
md5
703ef05da5513a668ceb3201b62a3ed4
sha1
84c4d2bc263f95435b83e4e31e56a6afeb03bc50
sha256
c69420cd2293c498eac49ddc54ab640a55a5460e76beb9563a4ef9e87e41a867
sha512
5de40a41e4f19b2364f6fccec388341b8dcf82c0ee522ee897bc920ca63122651bb92762320387e88996b67c47ab4300f7ed550ce630f18205e8c56b9e782c25
ripemd-160
1c2c00f00fe5805e90b36674462e8727ce83d12f
Diameter
56322376
Circumference
176941962.67432
Area
2.4914479379803E+15
Volume
9.3549511698233E+22
Surface area
9.9657917519211E+15
Circumference
176941962.67432
Perimeter
112644752
Area
793052509571344
Diagonal
39825934.002138
Surface area
4758315057428064
Volume
2.233330081591E+22
Space diagonal
48776608.417499
Perimeter
84483564
Area
3.4340180991189E+14
Altitude
24388304.208749
Surface area
3.4340180991189E+14
Volume
2.6320047422016E+21
Height
13275311.334046