28931008 is an even 8-digits composite number following 28931007
and preceding 28931009 . In scientific notation, it is written as 2.8931008 × 10^7.
The sum of its digits is 31. It has a total of 8 prime factors and 28 positive divisors.
There are 13614080 positive integers (up to 28931008) that are relatively prime to 28931008.
28931008 has 28 divisors, whose sum is 60789312
The reverse of 28931008 is 80013982
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million nine hundred thirty-one thousand eight
Scientific notation
2.8931008 × 10^7
Engineering notation
2.8931008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 17 × 26591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
904094
Product of the distinct prime numbers
The prime factorization of 28931008 is 2 × 2 × 2 × 2 × 2 × 2 × 17 × 26591.
Since it has a total of 8 prime factors.
4 , 2 , 81 , 77 , 236 , 177 , 976 , 6655 , 80326 , 17018 , 378511 , 574861 , 2285305 , 9620379 , 77202367 , 4273175 , 398090728 , 330747936 , 4589821956 , 181004835
n×2
57862016
n×3
86793024
n×4
115724032
n×5
144655040
n÷2
14465504
n÷3
9643669.3333333
n÷3
7232752
n÷5
5786201.6
n2
837003223896064
n3
2.4215346966563E+22
n4
7.005743968124E+29
n5
2.0268323478775E+37
2 √n
5378.7552463372
3 √n
306.98785084921
4 √n
73.339997588882
5 √n
31.065096932214
1 , 2 , 4 , 8 , 16 , 17 , 32 , 34 , 64 , 68 , 136 , 272 , 544 , 1088 , 26591 , 53182 , 106364 , 212728 , 425456 , 452047 , 850912 , 904094 , 1701824 , 1808188 , 3616376 , 7232752 , 14465504 , 28931008
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931008 can be divided by 28 positive divisors.
The sum of these divisors (counting 28931008) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1101110010111001111000000
3
Ternary
2000102211212211
4
Quaternary
1232113033000
5
Quinary
24401243013
6
Senary
2512031504
8
Octal
156271700
10
Decimal
28931008
12
Duodecimal
9832594
16
Hexadecimal
1b973c0
20
Vigesimal
90g7a8
36
Base36
h83b4
md5
db5a72c17c53fe62751de3de9ef4bb51
sha1
2e6a7b8f85037f3c575528fb979912749e25448a
sha256
12dbf27d3c4d3caf38276e66ecb296db1984a9f44b0d10557cb934024c577d5d
sha512
7da44a09156b105e7418aba595c4b11ecb32657f936979f77efeb43d1d8b3660b8b502e5b8bc0e0d8e482918550e04ea6d35e7c8505a0034997599253a4ef0d8
ripemd-160
89d371c38ab45aebae7069d6879625fa334655ad
Diameter
57862016
Circumference
181778884.3875
Area
2.6295231792228E+15
Volume
1.0143300817904E+23
Surface area
1.0518092716891E+16
Circumference
181778884.3875
Perimeter
115724032
Area
837003223896064
Diagonal
40914623.886725
Surface area
5022019343376384
Volume
2.4215346966563E+22
Space diagonal
50109975.770182
Perimeter
86793024
Area
3.6243302747173E+14
Altitude
25054987.885091
Surface area
3.6243302747173E+14
Volume
2.8538060081403E+21
Height
13638207.962242