28391106 is an even 8-digits composite number following 28391105
and preceding 28391107 . In scientific notation, it is written as 2.8391106 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 9152000 positive integers (up to 28391106) that are relatively prime to 28391106.
28391106 has 32 divisors, whose sum is 58677696
The reverse of 28391106 is 60119382
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million three hundred ninety-one thousand one hundred six
Scientific notation
2.8391106 × 10^7
Engineering notation
2.8391106 × 10^6
Prime Factorization
2 × 3 × 41 × 131 × 881
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28391106
Product of the distinct prime numbers
The prime factorization of 28391106 is 2 × 3 × 41 × 131 × 881.
Since it has a total of 5 prime factors.
1 , 8 , 60 , 70 , 343 , 944 , 430 , 2771 , 43258 , 4523 , 174481 , 780971 , 6564683 , 4907032 , 6735941 , 69225628 , 825054240 , 927915168 , 253640782 , 726808977
n×2
56782212
n×3
85173318
n×4
113564424
n×5
141955530
n÷2
14195553
n÷3
9463702
n÷3
7097776.5
n÷5
5678221.2
n2
806054899903236
n3
2.2884790104972E+22
n4
6.4972450165802E+29
n5
1.844639719737E+37
2 √n
5328.3305077669
3 √n
305.06620796851
4 √n
72.995414292728
5 √n
30.948276067503
1 , 2 , 3 , 6 , 41 , 82 , 123 , 131 , 246 , 262 , 393 , 786 , 881 , 1762 , 2643 , 5286 , 5371 , 10742 , 16113 , 32226 , 36121 , 72242 , 108363 , 115411 , 216726 , 230822 , 346233 , 692466 , 4731851 , 9463702 , 14195553 , 28391106
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
-28391105
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 28391106 can be divided by 32 positive divisors.
The sum of these divisors (counting 28391106) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100010011011011000010
3
Ternary
1222102102021110
4
Quaternary
1230103123002
5
Quinary
24232003411
6
Senary
2452304150
8
Octal
154233302
10
Decimal
28391106
12
Duodecimal
9612056
16
Hexadecimal
1b136c2
20
Vigesimal
8h8hf6
36
Base36
gwipu
md5
8671f10d0fd654db3e989ca92f925b97
sha1
1058731a13526915d3e5179b8445b8f25a8917a1
sha256
a080aa310626534014be348e5adf0915fad80e52aad855e5f667ca32c9e66072
sha512
7f881fef4d1891b34a2d0dd1be84783ae7a94d5cb9ae3d8accff63bd0fe4a510eec2cec504dadbede67150d52218ffed379285c3995b02a407137e9406c2d7c7
ripemd-160
31dde66fa5cafd70457a6cce3646599202560ad3
Diameter
56782212
Circumference
178386580.07378
Area
2.5322961519261E+15
Volume
9.58595846303E+22
Surface area
1.0129184607704E+16
Circumference
178386580.07378
Perimeter
113564424
Area
806054899903236
Diagonal
40151087.155972
Surface area
4836329399419416
Volume
2.2884790104972E+22
Space diagonal
49174838.075074
Perimeter
85173318
Area
3.4903201008056E+14
Altitude
24587419.037537
Surface area
3.4903201008056E+14
Volume
2.6969983782094E+21
Height
13383695.718657