28289968 is an even 8-digits composite number following 28289967
and preceding 28289969 . In scientific notation, it is written as 2.8289968 × 10^7.
The sum of its digits is 52. It has a total of 6 prime factors and 20 positive divisors.
There are 12124224 positive integers (up to 28289968) that are relatively prime to 28289968.
28289968 has 20 divisors, whose sum is 62642320
The reverse of 28289968 is 86998282
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million two hundred eighty-nine thousand nine hundred sixty-eight
Scientific notation
2.8289968 × 10^7
Engineering notation
2.8289968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 252589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3536246
Product of the distinct prime numbers
The prime factorization of 28289968 is 2 × 2 × 2 × 2 × 7 × 252589.
Since it has a total of 6 prime factors.
5 , 9 , 54 , 96 , 384 , 985 , 1612 , 5288 , 26122 , 34097 , 833751 , 396621 , 7785645 , 9633270 , 57602761 , 73002436 , 632049545 , 167545890 , 5853816691 , 3534770557
n×2
56579936
n×3
84869904
n×4
113159872
n×5
141449840
n÷2
14144984
n÷3
9429989.3333333
n÷3
7072492
n÷5
5657993.6
n2
800322289441024
n3
2.2641091957973E+22
n4
6.4051576697612E+29
n5
1.812017055125E+37
2 √n
5318.8314506102
3 √n
304.70352988467
4 √n
72.930319145128
5 √n
30.926195093385
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 252589 , 505178 , 1010356 , 1768123 , 2020712 , 3536246 , 4041424 , 7072492 , 14144984 , 28289968
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
-28289967
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 28289968 can be divided by 20 positive divisors.
The sum of these divisors (counting 28289968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101011111010101110110000
3
Ternary
1222020021112121
4
Quaternary
1223322232300
5
Quinary
24220234333
6
Senary
2450204024
8
Octal
153725660
10
Decimal
28289968
12
Duodecimal
9583614
16
Hexadecimal
1afabb0
20
Vigesimal
8gg4i8
36
Base36
gucog
md5
58b2bd75115db38fe44d97bc4df75ead
sha1
6d4c3b0fad8dad1c375a17255c342c6da3c7ced4
sha256
496dbe01b5a6761fd209dacf218feaecacf62f7224d32098cf6dce311afc9abc
sha512
d5cc66daef66c231d050c748217d423da28302fd13696d7516f06d74e8ab6fe70586abac01b0ca086d398355e8760f2ad60a1088b1850786daffbfda4864f4e1
ripemd-160
2b8aab3c431e507cb1b34c2f7b8758b3d8a71529
Diameter
56579936
Circumference
177751111.27818
Area
2.5142866250121E+15
Volume
9.4838784219227E+22
Surface area
1.0057146500048E+16
Circumference
177751111.27818
Perimeter
113159872
Area
800322289441024
Diagonal
40008056.424701
Surface area
4801933736646144
Volume
2.2641091957973E+22
Space diagonal
48999661.920498
Perimeter
84869904
Area
3.4654971693542E+14
Altitude
24499830.960249
Surface area
3.4654971693542E+14
Volume
2.6682782761585E+21
Height
13336018.808234