28931310 is an even 8-digits composite number following 28931309
and preceding 28931311 . In scientific notation, it is written as 2.8931310 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 7616160 positive integers (up to 28931310) that are relatively prime to 28931310.
28931310 has 32 divisors, whose sum is 52093440
The reverse of 28931310 is 01313982
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million nine hundred thirty-one thousand three hundred ten
Scientific notation
2.8931310 × 10^7
Engineering notation
2.8931310 × 10^6
Prime Factorization
2 × 9 × 15 × 83 × 1291
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28931310
Product of the distinct prime numbers
The prime factorization of 28931310 is 2 × 9 × 15 × 83 × 1291.
Since it has a total of 5 prime factors.
9 , 6 , 42 , 59 , 20 , 364 , 4475 , 9215 , 44296 , 32129 , 105927 , 964264 , 6384837 , 2586514 , 891088 , 67304251 , 309002078 , 757439500 , 8058335091 , 5428326849
n×2
57862620
n×3
86793930
n×4
115725240
n×5
144656550
n÷2
14465655
n÷3
9643770
n÷3
7232827.5
n÷5
5786262
n2
837020698316100
n3
2.42161052994E+22
n4
7.0060364940957E+29
n5
2.02693813682E+37
2 √n
5378.7833196737
3 √n
306.98891902271
4 √n
73.340188980352
5 √n
31.065161787335
1 , 2 , 9 , 15 , 18 , 30 , 83 , 135 , 166 , 270 , 747 , 1245 , 1291 , 1494 , 2490 , 2582 , 11205 , 11619 , 19365 , 22410 , 23238 , 38730 , 107153 , 174285 , 214306 , 348570 , 964377 , 1607295 , 1928754 , 3214590 , 14465655 , 28931310
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931309
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931310 can be divided by 32 positive divisors.
The sum of these divisors (counting 28931310) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110010111010011101110
3
Ternary
2000102212022000
4
Quaternary
1232113103232
5
Quinary
24401300220
6
Senary
2512033130
8
Octal
156272356
10
Decimal
28931310
12
Duodecimal
98327a6
16
Hexadecimal
1b974ee
20
Vigesimal
90g85a
36
Base36
h83ji
md5
0e565baa4b601124a3aea206d9472f35
sha1
da75a4b71e4165841f3311985edf506e5cc2b657
sha256
335bb9e63cc9ca097e4fa90d025b0cef3858299ee573b5e9ed455d5bd0db4c24
sha512
c617d3e1c6420ecc34fe783d6f68f19c318fe91e0e0c4a1269b6e9fce970a9694e3b24d69be1e0e3f705739931ae668ac2c8fa6c1658ed1f882209d25aaa4cb3
ripemd-160
acffb7fa02add4bfdf003d2fa56a3248c105174f
Diameter
57862620
Circumference
181780781.90946
Area
2.6295780767325E+15
Volume
1.014361846762E+23
Surface area
1.051831230693E+16
Circumference
181780781.90946
Perimeter
115725240
Area
837020698316100
Diagonal
40915050.97922
Surface area
5022124189896600
Volume
2.42161052994E+22
Space diagonal
50110498.849526
Perimeter
86793930
Area
3.6244059411757E+14
Altitude
25055249.424763
Surface area
3.6244059411757E+14
Volume
2.8538953785222E+21
Height
13638350.326407