28162387 is an odd 8-digits composite number following 28162386
and preceding 28162388 . In scientific notation, it is written as 2.8162387 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 24094400 positive integers (up to 28162387) that are relatively prime to 28162387.
28162387 has 8 divisors, whose sum is 30067632
The reverse of 28162387 is 78326182
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million one hundred sixty-two thousand three hundred eighty-seven
Scientific notation
2.8162387 × 10^7
Engineering notation
2.8162387 × 10^6
Prime Factorization
121 × 17 × 13691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28162387
Product of the distinct prime numbers
The prime factorization of 28162387 is 121 × 17 × 13691.
Since it has a total of 3 prime factors.
4 , 4 , 55 , 87 , 193 , 4 , 3081 , 2458 , 99104 , 25368 , 744237 , 392110 , 8197186 , 9743630 , 2990155 , 30299554 , 255448015 , 264126048 , 6442235926 , 7943217163
n×2
56324774
n×3
84487161
n×4
112649548
n×5
140811935
n÷2
14081193.5
n÷3
9387462.3333333
n÷3
7040596.75
n÷5
5632477.4
n2
793120041537769
n3
2.2336153547243E+22
n4
6.2903940028887E+29
n5
1.7715251029183E+37
2 √n
5306.8245684213
3 √n
304.24479287516
4 √n
72.847955142346
5 √n
30.898250687846
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28162386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28162387 can be divided by 8 positive divisors.
The sum of these divisors (counting 28162387) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011011011100101010011
3
Ternary
1221222210112101
4
Quaternary
1223123211103
5
Quinary
24202144022
6
Senary
2443341231
8
Octal
153334523
10
Decimal
28162387
12
Duodecimal
9521817
16
Hexadecimal
1adb953
20
Vigesimal
8g05j7
36
Base36
grm8j
md5
10d03cb583ac115e8b9f8327843d1e3e
sha1
a3bc78e4a534c3b8664fea6b32b66e332d33ef78
sha256
0894d14f36c32f739fa337df0a7617ed82826f69feb21570b0c766fb3cd84a3f
sha512
36ef5d4802d2e65a90ac96a27e8284b2f6e92422068b7e5b34d4737bc4c8d4bc7bfa06995a6a435e6b9c0784c1cb4296ce1970fba7d2f59dc7ea26608d8c7c3f
ripemd-160
9e6c9c7ec7e157ee8e9388501d486155462c25e6
Diameter
56324774
Circumference
176949496.21351
Area
2.4916600959099E+15
Volume
9.3561461191295E+22
Surface area
9.9666403836395E+15
Circumference
176949496.21351
Perimeter
112649548
Area
793120041537769
Diagonal
39827629.6442
Surface area
4758720249226614
Volume
2.2336153547243E+22
Space diagonal
48778685.146417
Perimeter
84487161
Area
3.4343105211114E+14
Altitude
24389342.573209
Surface area
3.4343105211114E+14
Volume
2.6323409398132E+21
Height
13275876.548067