28488928 is an even 8-digits composite number following 28488927
and preceding 28488929 . In scientific notation, it is written as 2.8488928 × 10^7.
The sum of its digits is 49. It has a total of 7 prime factors and 24 positive divisors.
There are 13148544 positive integers (up to 28488928) that are relatively prime to 28488928.
28488928 has 24 divisors, whose sum is 60402888
The reverse of 28488928 is 82988482
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million four hundred eighty-eight thousand nine hundred twenty-eight
Scientific notation
2.8488928 × 10^7
Engineering notation
2.8488928 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 13 × 68483
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1780558
Product of the distinct prime numbers
The prime factorization of 28488928 is 2 × 2 × 2 × 2 × 2 × 13 × 68483.
Since it has a total of 7 prime factors.
2 , 9 , 6 , 6 , 467 , 186 , 5533 , 291 , 76054 , 76451 , 994748 , 838011 , 3451458 , 4566340 , 7299300 , 5143592 , 977089841 , 838810710 , 5806514725 , 9306028094
n×2
56977856
n×3
85466784
n×4
113955712
n×5
142444640
n÷2
14244464
n÷3
9496309.3333333
n÷3
7122232
n÷5
5697785.6
n2
811619018589184
n3
2.3122155784018E+22
n4
6.5872543133567E+29
n5
1.8766381385091E+37
2 √n
5337.5020374703
3 √n
305.41617646621
4 √n
73.058209925171
5 √n
30.969573289627
1 , 2 , 4 , 8 , 13 , 16 , 26 , 32 , 52 , 104 , 208 , 416 , 68483 , 136966 , 273932 , 547864 , 890279 , 1095728 , 1780558 , 2191456 , 3561116 , 7122232 , 14244464 , 28488928
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28488927
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28488928 can be divided by 24 positive divisors.
The sum of these divisors (counting 28488928) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101100101011010011100000
3
Ternary
1222121101110111
4
Quaternary
1230223103200
5
Quinary
24243121203
6
Senary
2454341104
8
Octal
154532340
10
Decimal
28488928
12
Duodecimal
965a794
16
Hexadecimal
1b2b4e0
20
Vigesimal
8i1268
36
Base36
gym74
md5
27c7dfed483774985f032a5df1e75b9b
sha1
ced01f0c9265198fbecaa6ff99593f84b5aa1468
sha256
d73976020c17807f9455bc191e688d42431434b0c61dec878c5ec3607d73f2ad
sha512
e5a783763978a5d141576b35e309f1c493ee596abc30e92522d6d9374d9b80a63fc318e3f9a3240925c2c7974723347c2847e2b21cbb7af12b720a40235ca80d
ripemd-160
fc0f729a287da56466a4acd076f2a2467bde34e6
Diameter
56977856
Circumference
179001213.8269
Area
2.5497763463135E+15
Volume
9.6853859661639E+22
Surface area
1.0199105385254E+16
Circumference
179001213.8269
Perimeter
113955712
Area
811619018589184
Diagonal
40289428.355071
Surface area
4869714111535104
Volume
2.3122155784018E+22
Space diagonal
49344270.749172
Perimeter
85466784
Area
3.5144134414641E+14
Altitude
24672135.374586
Surface area
3.5144134414641E+14
Volume
2.7249721917551E+21
Height
13429809.45169