28397968 is an even 8-digits composite number following 28397967
and preceding 28397969 . In scientific notation, it is written as 2.8397968 × 10^7.
The sum of its digits is 52. It has a total of 6 prime factors and 20 positive divisors.
There are 14057600 positive integers (up to 28397968) that are relatively prime to 28397968.
28397968 has 20 divisors, whose sum is 55568988
The reverse of 28397968 is 86979382
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million three hundred ninety-seven thousand nine hundred sixty-eight
Scientific notation
2.8397968 × 10^7
Engineering notation
2.8397968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 101 × 17573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3549746
Product of the distinct prime numbers
The prime factorization of 28397968 is 2 × 2 × 2 × 2 × 101 × 17573.
Since it has a total of 6 prime factors.
6 , 4 , 62 , 12 , 884 , 246 , 8469 , 7383 , 96358 , 99129 , 125428 , 149170 , 6999181 , 8118860 , 74040296 , 76233105 , 750277156 , 67052809 , 9196363831 , 3400683153
n×2
56795936
n×3
85193904
n×4
113591872
n×5
141989840
n÷2
14198984
n÷3
9465989.3333333
n÷3
7099492
n÷5
5679593.6
n2
806444586529024
n3
2.2901387562024E+22
n4
6.5035287114197E+29
n5
1.8468700023398E+37
2 √n
5328.9743853766
3 √n
305.09078368939
4 √n
72.999824557163
5 √n
30.949771934146
1 , 2 , 4 , 8 , 16 , 101 , 202 , 404 , 808 , 1616 , 17573 , 35146 , 70292 , 140584 , 281168 , 1774873 , 3549746 , 7099492 , 14198984 , 28397968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28397967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28397968 can be divided by 20 positive divisors.
The sum of these divisors (counting 28397968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101100010101000110010000
3
Ternary
1222102202200121
4
Quaternary
1230111012100
5
Quinary
24232213333
6
Senary
2452400024
8
Octal
154250620
10
Decimal
28397968
12
Duodecimal
9616014
16
Hexadecimal
1b15190
20
Vigesimal
8h9ei8
36
Base36
gwo0g
md5
014acd11d92ea273e44c84bdbe9f8ef6
sha1
26b5b218db2739182abf1075f1c07ab076bfa8ee
sha256
68cd42c0e9fcc680b5b1c5bf41492c490823a8c555280794338049674c8dfd3c
sha512
7964229d94bb8367fb05c3d1c809af15da7142032d8d73be0c543db0fd25a4e2d3fe8a944bdac4203d9dd3aea9408d765f99365ed2a99fba9b95068a985ba271
ripemd-160
8597a936b4e6d35b384013f626b570e0f8050e15
Diameter
56795936
Circumference
178429695.29136
Area
2.5335203885668E+15
Volume
9.5929107895825E+22
Surface area
1.0134081554267E+16
Circumference
178429695.29136
Perimeter
113591872
Area
806444586529024
Diagonal
40160791.489437
Surface area
4838667519174144
Volume
2.2901387562024E+22
Space diagonal
49186723.407715
Perimeter
85193904
Area
3.4920074933929E+14
Altitude
24593361.703858
Surface area
3.4920074933929E+14
Volume
2.6989544072815E+21
Height
13386930.496479