28856988 is an even 8-digits composite number following 28856987
and preceding 28856989 . In scientific notation, it is written as 2.8856988 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 9578496 positive integers (up to 28856988) that are relatively prime to 28856988.
28856988 has 24 divisors, whose sum is 56347200
The reverse of 28856988 is 88965882
Previous prime number is 257
Is Prime? no Number parity even Number length 8 Sum of Digits 54 Digital Root 9
Name
twenty-eight million eight hundred fifty-six thousand nine hundred eighty-eight
Scientific notation
2.8856988 × 10^7
Engineering notation
2.8856988 × 10^6
Prime Factorization
2 × 2 × 9 × 257 × 3119
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
14428494 Product of the distinct prime numbers
The prime factorization of 28856988 is 2 × 2 × 9 × 257 × 3119.
Since it has a total of 5 prime factors.
9 , 9 , 62 , 36 , 217 , 631 , 5619 , 7727 , 59124 , 27947 , 741511 , 259176 , 8435059 , 8983350 , 89621802 , 66265214 , 295427002 , 632015184 , 7722196165 , 3544349527
n×2
57713976
n×3
86570964
n×4
115427952
n×5
144284940
n÷2
14428494
n÷3
9618996
n÷3
7214247
n÷5
5771397.6
n2
832725756432144
n3
2.4029957160653E+22
n4
6.9343218542549E+29
n5
2.0010364253637E+37
2 √n5371.8700654428
3 √n306.72581772252
4 √n73.293042408149
5 √n31.049184625669
1 , 2 , 4 , 9 , 18 , 36 , 257 , 514 , 1028 , 2313 , 3119 , 4626 , 6238 , 9252 , 12476 , 28071 , 56142 , 112284 , 801583 , 1603166 , 3206332 , 7214247 , 14428494 , 28856988
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
-28856987 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 28856988 can be divided by 24 positive divisors.
The sum of these divisors (counting 28856988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110000101001010011100
3
Ternary
2000022002100100
4
Quaternary
1232011022130
5
Quinary
24341410423
6
Senary
2510301100
8
Octal
156051234
10
Decimal
28856988
12
Duodecimal
97b7790
16
Hexadecimal
1b8529c
20
Vigesimal
907298
36
Base36
h6i70
md5
532df6900ca1825cce7cb7ac776625f9
sha1
8a85629945f2666d5bbf5954de00fb0a813fbf6c
sha256
38452f71e07ea1c580fa860a8447de25e84a91efab47c7fd05a19f5634d0e825
sha512
5e440087ef26cc4cfa4f27ab93c1c7fa2836ba9d5c779bbe464cba446eb04049bc010dd1d54e6dfefe6f04e8fe32dbf52d9667a874e9f8d67cd02155d781a9f3
ripemd-160
143a1de641e268c1d7361b8a4b7a5499d7a4b4a7
Diameter
57713976
Circumference
181313803.01106
Area
2.6160851188622E+15
Volume
1.0065644917598E+23
Surface area
1.0464340475449E+16
Circumference
181313803.01106
Perimeter
115427952
Area
832725756432144
Diagonal
40809943.798838
Surface area
4996354538592864
Volume
2.4029957160653E+22
Space diagonal
49981769.369405
Perimeter
86570964
Area
3.6058082972792E+14
Altitude
24990884.684703
Surface area
3.6058082972792E+14
Volume
2.8319576099867E+21
Height
13603314.599613