28163965 is an odd 8-digits composite number following 28163964
and preceding 28163966 . In scientific notation, it is written as 2.8163965 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 21591360 positive integers (up to 28163965) that are relatively prime to 28163965.
28163965 has 16 divisors, whose sum is 35228160
The reverse of 28163965 is 56936182
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million one hundred sixty-three thousand nine hundred sixty-five
Scientific notation
2.8163965 × 10^7
Engineering notation
2.8163965 × 10^6
Prime Factorization
5 × 31 × 109 × 1667
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28163965
Product of the distinct prime numbers
The prime factorization of 28163965 is 5 × 31 × 109 × 1667.
Since it has a total of 4 prime factors.
8 , 1 , 74 , 25 , 120 , 820 , 1622 , 8453 , 39860 , 65500 , 457084 , 329597 , 6139908 , 156376 , 12969275 , 75255739 , 791275694 , 385429841 , 9958751379 , 3358358600
n×2
56327930
n×3
84491895
n×4
112655860
n×5
140819825
n÷2
14081982.5
n÷3
9387988.3333333
n÷3
7040991.25
n÷5
5632793
n2
793208924521225
n3
2.2339908387903E+22
n4
6.2918039794012E+29
n5
1.7720214706272E+37
2 √n
5306.9732428193
3 √n
304.25047526892
4 √n
72.848975578379
5 √n
30.898596939368
1 , 5 , 31 , 109 , 155 , 545 , 1667 , 3379 , 8335 , 16895 , 51677 , 181703 , 258385 , 908515 , 5632793 , 28163965
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28163964
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28163965 can be divided by 16 positive divisors.
The sum of these divisors (counting 28163965) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011011111101111101
3
Ternary
1221222212200211
4
Quaternary
1223123331331
5
Quinary
24202221330
6
Senary
2443352421
8
Octal
153337575
10
Decimal
28163965
12
Duodecimal
9522711
16
Hexadecimal
1adbf7d
20
Vigesimal
8g09i5
36
Base36
grngd
md5
0ffb2682913875ea0d7251ba418354fe
sha1
2ce8d9d11f12406a1d7b19f5d0b24248f0bd54d6
sha256
08679b4e2187c8d1828b111645620a77a3a6b0ea0725d98ccbaea1e54b07b3f0
sha512
e2a3d9fb6f5c64f5de7d86461ef799b611d7439063ff16c802c1518ae49f1d2fc409e93ff7846764774218d0166df9f1e34d160a78277f5ab8ce3331a9f26a2d
ripemd-160
99f4ac480144956144c0a0df1c7c224c7abf3479
Diameter
56327930
Circumference
176959411.07992
Area
2.4919393300377E+15
Volume
9.3577189431075E+22
Surface area
9.967757320151E+15
Circumference
176959411.07992
Perimeter
112655860
Area
793208924521225
Diagonal
39829861.273201
Surface area
4759253547127350
Volume
2.2339908387903E+22
Space diagonal
48781418.322592
Perimeter
84491895
Area
3.4346953957196E+14
Altitude
24390709.161296
Surface area
3.4346953957196E+14
Volume
2.6327834520288E+21
Height
13276620.4244