28931086 is an even 8-digits composite number following 28931085
and preceding 28931087 . In scientific notation, it is written as 2.8931086 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 14284800 positive integers (up to 28931086) that are relatively prime to 28931086.
28931086 has 16 divisors, whose sum is 43943328
The reverse of 28931086 is 68013982
Previous prime number is 193
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million nine hundred thirty-one thousand eighty-six
Scientific notation
2.8931086 × 10^7
Engineering notation
2.8931086 × 10^6
Prime Factorization
2 × 241 × 193 × 311
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931086
Product of the distinct prime numbers
The prime factorization of 28931086 is 2 × 241 × 193 × 311.
Since it has a total of 4 prime factors.
9 , 3 , 92 , 54 , 70 , 377 , 9052 , 9071 , 81040 , 10717 , 185992 , 131133 , 5598150 , 7211246 , 31442884 , 56993284 , 196589969 , 33075486 , 7382703223 , 4768716905
n×2
57862172
n×3
86793258
n×4
115724344
n×5
144655430
n÷2
14465543
n÷3
9643695.3333333
n÷3
7232771.5
n÷5
5786217.2
n2
837007737139396
n3
2.4215542825845E+22
n4
7.0058195203121E+29
n5
2.0268596704263E+37
2 √n
5378.7624970805
3 √n
306.98812673579
4 √n
73.340047021259
5 √n
31.065113682926
1 , 2 , 193 , 241 , 311 , 386 , 482 , 622 , 46513 , 60023 , 74951 , 93026 , 120046 , 149902 , 14465543 , 28931086
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931085
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931086 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931086) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111010000001110
3
Ternary
2000102211222201
4
Quaternary
1232113100032
5
Quinary
24401243321
6
Senary
2512032114
8
Octal
156272016
10
Decimal
28931086
12
Duodecimal
983263a
16
Hexadecimal
1b9740e
20
Vigesimal
90g7e6
36
Base36
h83da
md5
ccb83f5a8ecf8876645e63148919e22d
sha1
aca3b23fc781a5deda9ff5630af3aaa90a519664
sha256
f248780a59d38a3569dbaf1d5ff07001cf830d44fb645697d3233b289fadc720
sha512
5ca71c3b76e45fa81a6d37e23acc84cfcd44a124df003ce4d7639bfb58d425bf96706750d780311cf7372985a33d35c77143b074eeb5152fd7763feafffcc85a
ripemd-160
a21f0589db4e7632a79c3be6590f20973593ce77
Diameter
57862172
Circumference
181779374.47595
Area
2.6295373579949E+15
Volume
1.0143382859249E+23
Surface area
1.051814943198E+16
Circumference
181779374.47595
Perimeter
115724344
Area
837007737139396
Diagonal
40914734.195382
Surface area
5022046422836376
Volume
2.4215542825845E+22
Space diagonal
50110110.870145
Perimeter
86793258
Area
3.6243498176342E+14
Altitude
25055055.435072
Surface area
3.6243498176342E+14
Volume
2.8538290903781E+21
Height
13638244.731794