28931159 is an odd 8-digits composite number following 28931158
and preceding 28931160 . In scientific notation, it is written as 2.8931159 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 28897440 positive integers (up to 28931159) that are relatively prime to 28931159.
28931159 has 4 divisors, whose sum is 28964880
The reverse of 28931159 is 95113982
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million nine hundred thirty-one thousand one hundred fifty-nine
Scientific notation
2.8931159 × 10^7
Engineering notation
2.8931159 × 10^6
Prime Factorization
881 × 32839
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28931159
Product of the distinct prime numbers
The prime factorization of 28931159 is 881 × 32839.
Since it has a total of 2 prime factors.
3 , 1 , 4 , 41 , 191 , 246 , 6552 , 6409 , 82716 , 30300 , 255497 , 940134 , 8218904 , 1494599 , 12884907 , 51377113 , 640439884 , 824153287 , 158828790 , 9035520695
n×2
57862318
n×3
86793477
n×4
115724636
n×5
144655795
n÷2
14465579.5
n÷3
9643719.6666667
n÷3
7232789.75
n÷5
5786231.8
n2
837011961083281
n3
2.4215726131002E+22
n4
7.0058902299648E+29
n5
2.0268852417966E+37
2 √n
5378.7692830238
3 √n
306.98838493689
4 √n
73.340093284804
5 √n
31.065129359842
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931158
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931159 can be divided by 4 positive divisors.
The sum of these divisors (counting 28931159) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110010111010001010111
3
Ternary
2000102212002102
4
Quaternary
1232113101113
5
Quinary
24401244114
6
Senary
2512032315
8
Octal
156272127
10
Decimal
28931159
12
Duodecimal
983269b
16
Hexadecimal
1b97457
20
Vigesimal
90g7hj
36
Base36
h83fb
md5
632e32b56fdd92f43569f176b8a5e90b
sha1
e615fd4c33123570cd67f24e882d0b14117d161b
sha256
3f465aba09574b5491be73c10ba179dd68430a4f217b41462dc5c60368f603e3
sha512
bdeca89a9ab01d652e2f60e5f58b37b966c5b715154b51d26ab233614e362c5be43d17e1a318908577be8642c8c92e12463c82f4053f146955645fbf44968667
ripemd-160
f6c3ba29d6cf3dc29d3240f30f3dd06690718718
Diameter
57862318
Circumference
181779833.14848
Area
2.629550627906E+15
Volume
1.0143459641933E+23
Surface area
1.0518202511624E+16
Circumference
181779833.14848
Perimeter
115724636
Area
837011961083281
Diagonal
40914837.432972
Surface area
5022071766499686
Volume
2.4215726131002E+22
Space diagonal
50110237.309854
Perimeter
86793477
Area
3.6243681078478E+14
Altitude
25055118.654927
Surface area
3.6243681078478E+14
Volume
2.853850693098E+21
Height
13638279.144324