28395965 is an odd 8-digits composite number following 28395964
and preceding 28395966 . In scientific notation, it is written as 2.8395965 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 20886336 positive integers (up to 28395965) that are relatively prime to 28395965.
28395965 has 16 divisors, whose sum is 36841728
The reverse of 28395965 is 56959382
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million three hundred ninety-five thousand nine hundred sixty-five
Scientific notation
2.8395965 × 10^7
Engineering notation
2.8395965 × 10^6
Prime Factorization
5 × 13 × 307 × 1423
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28395965
Product of the distinct prime numbers
The prime factorization of 28395965 is 5 × 13 × 307 × 1423.
Since it has a total of 4 prime factors.
2 , 8 , 9 , 80 , 66 , 739 , 4722 , 6612 , 82553 , 10965 , 645114 , 746142 , 575083 , 7679467 , 3978254 , 76957642 , 244685812 , 724076428 , 8122161740 , 3634317187
n×2
56791930
n×3
85187895
n×4
113583860
n×5
141979825
n÷2
14197982.5
n÷3
9465321.6666667
n÷3
7098991.25
n÷5
5679193
n2
806330828281225
n3
2.2896541978295E+22
n4
6.5016940463669E+29
n5
1.8462187658134E+37
2 √n
5328.7864472129
3 √n
305.08361050939
4 √n
72.998537295023
5 √n
30.94933532444
1 , 5 , 13 , 65 , 307 , 1423 , 1535 , 3991 , 7115 , 18499 , 19955 , 92495 , 436861 , 2184305 , 5679193 , 28395965
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
-28395964
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 28395965 can be divided by 16 positive divisors.
The sum of these divisors (counting 28395965) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010100100110111101
3
Ternary
1222102122221102
4
Quaternary
1230110212331
5
Quinary
24232132330
6
Senary
2452342445
8
Octal
154244675
10
Decimal
28395965
12
Duodecimal
9614a25
16
Hexadecimal
1b149bd
20
Vigesimal
8h99i5
36
Base36
gwmgt
md5
b977ac4f042aafc5625c0e1b72cc5a18
sha1
58c8bac697d977bc75c0ebf035eb62552e4921a6
sha256
54e7eae3ff24f1ef01a2865692ed7a9cd6a7eba4c57190ff5c21ff44ac0d5fde
sha512
6dfed3efc07c7a599dd879881d3cea216f844891e196786cb7c7369f120c5cc60da63fa473be21ed131fc473ddb07d5a0d6fae79bddb8893f3d0155398e39382
ripemd-160
0363be9141116a5553cc87cf27b469c6865657d4
Diameter
56791930
Circumference
178417110.07119
Area
2.5331630064913E+15
Volume
9.5908810762161E+22
Surface area
1.0132652025965E+16
Circumference
178417110.07119
Perimeter
113583860
Area
806330828281225
Diagonal
40157958.819672
Surface area
4837984969687350
Volume
2.2896541978295E+22
Space diagonal
49183254.109948
Perimeter
85187895
Area
3.4915149057304E+14
Altitude
24591627.054974
Surface area
3.4915149057304E+14
Volume
2.6983833497624E+21
Height
13385986.273224