28391195 is an odd 8-digits composite number following 28391194
and preceding 28391196 . In scientific notation, it is written as 2.8391195 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 18604800 positive integers (up to 28391195) that are relatively prime to 28391195.
28391195 has 16 divisors, whose sum is 30523392
The reverse of 28391195 is 59119382
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million three hundred ninety-one thousand one hundred ninety-five
Scientific notation
2.8391195 × 10^7
Engineering notation
2.8391195 × 10^6
Prime Factorization
35 × 137 × 31 × 191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28391195
Product of the distinct prime numbers
The prime factorization of 28391195 is 35 × 137 × 31 × 191.
Since it has a total of 4 prime factors.
9 , 1 , 3 , 19 , 203 , 631 , 6260 , 31 , 94524 , 82927 , 52156 , 589097 , 2703869 , 5210351 , 28623922 , 29681347 , 167882612 , 373347461 , 9366876208 , 2312357522
n×2
56782390
n×3
85173585
n×4
113564780
n×5
141955975
n÷2
14195597.5
n÷3
9463731.6666667
n÷3
7097798.75
n÷5
5678239
n2
806059953528025
n3
2.2885005322305E+22
n4
6.497326486816E+29
n5
1.8446686326586E+37
2 √n
5328.3388593444
3 √n
305.06652674045
4 √n
72.995471498884
5 √n
30.948295470714
1 , 31 , 35 , 137 , 191 , 1085 , 4247 , 4795 , 5921 , 6685 , 26167 , 148645 , 207235 , 811177 , 915845 , 28391195
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
-28391194
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 28391195 can be divided by 16 positive divisors.
The sum of these divisors (counting 28391195) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010011011100011011
3
Ternary
1222102102101202
4
Quaternary
1230103130123
5
Quinary
24232004240
6
Senary
2452304415
8
Octal
154233433
10
Decimal
28391195
12
Duodecimal
961210b
16
Hexadecimal
1b1371b
20
Vigesimal
8h8hjf
36
Base36
gwisb
md5
c767e5307e13bfb97c5f3c2d9ca01ed1
sha1
85b6c380cc88c1d50beb64bdca60a82ccf6a34a5
sha256
a7a0bbf63ab845e84b64af79f709d051528ead8314362db0eb0c86e50dd5f2c2
sha512
0106cf13bf3cc5c93dd0fe7a7a365b754dc194b718c8be8789b5927044398b9d1903fa7fbae0632217bb8aa3dfc5115af8b6182a77f5444b074a2532c11310d5
ripemd-160
18684695f144ab5f4cd5b099bb27df9b58263773
Diameter
56782390
Circumference
178387139.27727
Area
2.5323120283566E+15
Volume
9.5860486130556E+22
Surface area
1.0129248113426E+16
Circumference
178387139.27727
Perimeter
113564780
Area
806059953528025
Diagonal
40151213.020979
Surface area
4836359721168150
Volume
2.2885005322305E+22
Space diagonal
49174992.227595
Perimeter
85173585
Area
3.4903419836429E+14
Altitude
24587496.113798
Surface area
3.4903419836429E+14
Volume
2.6970237418154E+21
Height
13383737.67366