28163381 is an odd 8-digits composite number following 28163380
and preceding 28163382 . In scientific notation, it is written as 2.8163381 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 27994572 positive integers (up to 28163381) that are relatively prime to 28163381.
28163381 has 4 divisors, whose sum is 28332192
The reverse of 28163381 is 18336182
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million one hundred sixty-three thousand three hundred eighty-one
Scientific notation
2.8163381 × 10^7
Engineering notation
2.8163381 × 10^6
Prime Factorization
167 × 168643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28163381
Product of the distinct prime numbers
The prime factorization of 28163381 is 167 × 168643.
Since it has a total of 2 prime factors.
5 , 1 , 95 , 92 , 939 , 479 , 7784 , 9071 , 83876 , 99675 , 642678 , 6494 , 149675 , 7088912 , 7210536 , 7413479 , 986276624 , 275999243 , 8039481514 , 4443577236
n×2
56326762
n×3
84490143
n×4
112653524
n×5
140816905
n÷2
14081690.5
n÷3
9387793.6666667
n÷3
7040845.25
n÷5
5632676.2
n2
793176029351161
n3
2.2338518714684E+22
n4
6.2912821353727E+29
n5
1.77183775757E+37
2 √n
5306.9182205872
3 √n
304.24837230383
4 √n
72.848597931512
5 √n
30.898468797394
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28163380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28163381 can be divided by 4 positive divisors.
The sum of these divisors (counting 28163381) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011011110100110101
3
Ternary
1221222211220012
4
Quaternary
1223123310311
5
Quinary
24202212011
6
Senary
2443350005
8
Octal
153336465
10
Decimal
28163381
12
Duodecimal
9522305
16
Hexadecimal
1adbd35
20
Vigesimal
8g0891
36
Base36
grn05
md5
d8d64e3e676172a65116c141bb492b12
sha1
35fd35747f0ea7882d81e62b80eb9ea287863792
sha256
a90bd7c94d5b2ed8bda2a68bea564c31e9b0d0289b69f6de47b63192cfe409ac
sha512
079a2ce73d4c7102bd6f8d972c2b0e9d77dc9078f2de4589687ff433047a40a7fe1ee8c24210c00de68b56b8685074e14e1902454a960d4855341fd5e4e84e8e
ripemd-160
988c22a9e4a20c7683d5d4f41f6ac6dea673030e
Diameter
56326762
Circumference
176955741.6997
Area
2.4918359868131E+15
Volume
9.3571368381506E+22
Surface area
9.9673439472525E+15
Circumference
176955741.6997
Perimeter
112653524
Area
793176029351161
Diagonal
39829035.372481
Surface area
4759056176106966
Volume
2.2338518714684E+22
Space diagonal
48780406.80492
Perimeter
84490143
Area
3.4345529554549E+14
Altitude
24390203.40246
Surface area
3.4345529554549E+14
Volume
2.6326196774693E+21
Height
13276345.12416