28109845 is an odd 8-digits composite number following 28109844
and preceding 28109846 . In scientific notation, it is written as 2.8109845 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 21712320 positive integers (up to 28109845) that are relatively prime to 28109845.
28109845 has 8 divisors, whose sum is 34895160
The reverse of 28109845 is 54890182
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million one hundred nine thousand eight hundred forty-five
Scientific notation
2.8109845 × 10^7
Engineering notation
2.8109845 × 10^6
Prime Factorization
5 × 29 × 193861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28109845
Product of the distinct prime numbers
The prime factorization of 28109845 is 5 × 29 × 193861.
Since it has a total of 3 prime factors.
6 , 3 , 59 , 82 , 902 , 431 , 9262 , 9462 , 22396 , 43975 , 132137 , 363069 , 1448032 , 9492759 , 54015384 , 67393338 , 609705620 , 192606393 , 1236703260 , 5649912378
n×2
56219690
n×3
84329535
n×4
112439380
n×5
140549225
n÷2
14054922.5
n÷3
9369948.3333333
n÷3
7027461.25
n÷5
5621969
n2
790163385924025
n3
2.2211370303E+22
n4
6.2435817645492E+29
n5
1.755061156463E+37
2 √n
5301.8718392658
3 √n
304.05546728543
4 √n
72.813953602766
5 √n
30.886712825055
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28109844
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28109845 can be divided by 8 positive divisors.
The sum of these divisors (counting 28109845) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011001110110000010101
3
Ternary
1221220010110101
4
Quaternary
1223032300111
5
Quinary
24144003340
6
Senary
2442254101
8
Octal
153166025
10
Decimal
28109845
12
Duodecimal
94b7331
16
Hexadecimal
1acec15
20
Vigesimal
8fdec5
36
Base36
gqhp1
md5
b5b5a44324d128dfca6beef5e75bbd26
sha1
7a6d98b8a41150d618bcc4d25860b9d0a4f091b4
sha256
1d9bd56d2aeded77e6d01eead5c2e0ee37ab1a38df18d88f45af47f287271f89
sha512
1200434320f6ec2caecae152a33409332647ad85ca5d3306982857da8f64d89ac75a052d7d6224dfffafef535dac01067ee34aab5a170f13957e1148e08e6035
ripemd-160
13eced2c0e693a6c8db0e3e11588b3753b44d869
Diameter
56219690
Circumference
176619365.0911
Area
2.4823714883546E+15
Volume
9.3038770360088E+22
Surface area
9.9294859534182E+15
Circumference
176619365.0911
Perimeter
112439380
Area
790163385924025
Diagonal
39753324.035206
Surface area
4740980315544150
Volume
2.2211370303E+22
Space diagonal
48687679.732886
Perimeter
84329535
Area
3.4215078267527E+14
Altitude
24343839.866443
Surface area
3.4215078267527E+14
Volume
2.6176350934494E+21
Height
13251108.011735