28163989 is an odd 8-digits composite number following 28163988
and preceding 28163990 . In scientific notation, it is written as 2.8163989 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 24076176 positive integers (up to 28163989) that are relatively prime to 28163989.
28163989 has 8 divisors, whose sum is 32273280
The reverse of 28163989 is 98936182
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million one hundred sixty-three thousand nine hundred eighty-nine
Scientific notation
2.8163989 × 10^7
Engineering notation
2.8163989 × 10^6
Prime Factorization
7 × 389 × 10343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28163989
Product of the distinct prime numbers
The prime factorization of 28163989 is 7 × 389 × 10343.
Since it has a total of 3 prime factors.
6 , 1 , 64 , 12 , 303 , 219 , 3313 , 948 , 8719 , 47020 , 328631 , 356771 , 6879963 , 7339889 , 59742948 , 15318793 , 713377059 , 481151969 , 8483048321 , 976304756
n×2
56327978
n×3
84491967
n×4
112655956
n×5
140819945
n÷2
14081994.5
n÷3
9387996.3333333
n÷3
7040997.25
n÷5
5632797.8
n2
793210276392121
n3
2.2339965498995E+22
n4
6.2918254257406E+29
n5
1.7720290208048E+37
2 √n
5306.9755039947
3 √n
304.25056169152
4 √n
72.848991097988
5 √n
30.898602205431
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
-28163988
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 28163989 can be divided by 8 positive divisors.
The sum of these divisors (counting 28163989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011011011111110010101
3
Ternary
1221222212201201
4
Quaternary
1223123332111
5
Quinary
24202221424
6
Senary
2443352501
8
Octal
153337625
10
Decimal
28163989
12
Duodecimal
9522731
16
Hexadecimal
1adbf95
20
Vigesimal
8g09j9
36
Base36
grnh1
md5
f9a8c906325e1a8f64d4a603dd766381
sha1
c9624bc71b91b0846c3ef585a8322a80f822d516
sha256
7865e70bd24069f8b9e5e8df86933a954ea10ef58701ce91662cdf349890cc05
sha512
dd9d28d552102e1c3ab0d398e0250591f472647e5e7b36cce97ae3e92e39c61893f87d3eb6d862470ae0a33348f732031c5c501db6a86fd1dc39418c81b571bf
ripemd-160
dbfcfaf6a7a30bd44b26bf962157213cdf7e2358
Diameter
56327978
Circumference
176959561.87637
Area
2.4919435770654E+15
Volume
9.3577428657455E+22
Surface area
9.9677743082617E+15
Circumference
176959561.87637
Perimeter
112655956
Area
793210276392121
Diagonal
39829895.214327
Surface area
4759261658352726
Volume
2.2339965498995E+22
Space diagonal
48781459.891811
Perimeter
84491967
Area
3.4347012494923E+14
Altitude
24390729.945905
Surface area
3.4347012494923E+14
Volume
2.6327901826354E+21
Height
13276631.738109