28943909 is an odd 8-digits composite number following 28943908
and preceding 28943910 . In scientific notation, it is written as 2.8943909 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 28237920 positive integers (up to 28943909) that are relatively prime to 28943909.
28943909 has 4 divisors, whose sum is 29649900
The reverse of 28943909 is 90934982
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million nine hundred forty-three thousand nine hundred nine
Scientific notation
2.8943909 × 10^7
Engineering notation
2.8943909 × 10^6
Prime Factorization
41 × 705949
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28943909
Product of the distinct prime numbers
The prime factorization of 28943909 is 41 × 705949.
Since it has a total of 2 prime factors.
3 , 7 , 27 , 74 , 35 , 795 , 2029 , 4266 , 98600 , 23160 , 98249 , 721689 , 8976604 , 2960173 , 98931747 , 71400525 , 342241114 , 811442189 , 6206780057 , 3842328206
n×2
57887818
n×3
86831727
n×4
115775636
n×5
144719545
n÷2
14471954.5
n÷3
9647969.6666667
n÷3
7235977.25
n÷5
5788781.8
n2
837749868200281
n3
2.4247755949951E+22
n4
7.0182484166959E+29
n5
2.0313554351224E+37
2 √n
5379.9543678362
3 √n
307.03347504274
4 √n
73.348172218783
5 √n
31.067866966009
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28943908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28943909 can be divided by 4 positive divisors.
The sum of these divisors (counting 28943909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110011010011000100101
3
Ternary
2000110111120122
4
Quaternary
1232122120211
5
Quinary
24402201114
6
Senary
2512211325
8
Octal
156323045
10
Decimal
28943909
12
Duodecimal
9839b45
16
Hexadecimal
1b9a625
20
Vigesimal
90hjf9
36
Base36
h8d9h
md5
6e571fd3c7ea295d6d372841879e9ac7
sha1
1f5e9fcbed82fbb97c379017da72c1234020753f
sha256
7a97185d144e72f881b0368888b07bd18b0b4c5269665d327a4d3b7a08a9ebb0
sha512
1b63718567952a2d26400b5045d47a9dc560945af899edf51295dbd13a059b19811d5617d66e8ea5f9f6de64790c6552b87f5868ca1d7c7ff69cb14a2b11290d
ripemd-160
7fccd0b90e3c0234deba2d0fc77f97a3f071d0e2
Diameter
57887818
Circumference
181859943.76114
Area
2.6318688314838E+15
Volume
1.0156876261121E+23
Surface area
1.0527475325935E+16
Circumference
181859943.76114
Perimeter
115775636
Area
837749868200281
Diagonal
40932868.655893
Surface area
5026499209201686
Volume
2.4247755949951E+22
Space diagonal
50132320.95765
Perimeter
86831727
Area
3.6275633393925E+14
Altitude
25066160.478825
Surface area
3.6275633393925E+14
Volume
2.8576254434611E+21
Height
13644289.551964