28421918 is an even 8-digits composite number following 28421917
and preceding 28421919 . In scientific notation, it is written as 2.8421918 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 12180816 positive integers (up to 28421918) that are relatively prime to 28421918.
28421918 has 8 divisors, whose sum is 48723312
The reverse of 28421918 is 81912482
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million four hundred twenty-one thousand nine hundred eighteen
Scientific notation
2.8421918 × 10^7
Engineering notation
2.8421918 × 10^6
Prime Factorization
2 × 7 × 2030137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28421918
Product of the distinct prime numbers
The prime factorization of 28421918 is 2 × 7 × 2030137.
Since it has a total of 3 prime factors.
9 , 6 , 93 , 70 , 853 , 62 , 6644 , 9036 , 50019 , 14194 , 152495 , 198186 , 4977703 , 3900108 , 49110062 , 81635478 , 925363717 , 218377196 , 5390905598 , 962712095
n×2
56843836
n×3
85265754
n×4
113687672
n×5
142109590
n÷2
14210959
n÷3
9473972.6666667
n÷3
7105479.5
n÷5
5684383.6
n2
807805422798724
n3
2.2959379486741E+22
n4
6.5254960110303E+29
n5
1.8546711253483E+37
2 √n
5331.2210608828
3 √n
305.17652774784
4 √n
73.015211160982
5 √n
30.954990597016
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
-28421917
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 28421918 can be divided by 8 positive divisors.
The sum of these divisors (counting 28421918) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100011010111100011110
3
Ternary
1222110222112122
4
Quaternary
1230122330132
5
Quinary
24234000133
6
Senary
2453102542
8
Octal
154327436
10
Decimal
28421918
12
Duodecimal
9627a52
16
Hexadecimal
1b1af1e
20
Vigesimal
8hcefi
36
Base36
gx6hq
md5
14e4a740db95116b62034386ad32a589
sha1
8e2eb087ef26ed509d2b7bbfaabff78831f464ae
sha256
c3c94750c217078a2817c7f993ebd955e8e202450078dce4dd9e7d58d2d96116
sha512
2ea31dbe522546871409095f2131e909046594f00c29fa81494f844fbf6fecbf2f4ce3c461d3f40d03e10b6e16108ff36b057aec65060841f47b8a2a2eba9b41
ripemd-160
e150209455b55f5abea02b0e2d1fdb826e57b9f0
Diameter
56843836
Circumference
178580177.57946
Area
2.5377955817945E+15
Volume
9.6172023902033E+22
Surface area
1.0151182327178E+16
Circumference
178580177.57946
Perimeter
113687672
Area
807805422798724
Diagonal
40194661.904256
Surface area
4846832536792344
Volume
2.2959379486741E+22
Space diagonal
49228206.024556
Perimeter
85265754
Area
3.4979000872926E+14
Altitude
24614103.012278
Surface area
3.4979000872926E+14
Volume
2.7057888211516E+21
Height
13398220.634752