28421930 is an even 8-digits composite number following 28421929
and preceding 28421931 . In scientific notation, it is written as 2.8421930 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 11368768 positive integers (up to 28421930) that are relatively prime to 28421930.
28421930 has 8 divisors, whose sum is 51159492
The reverse of 28421930 is 03912482
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million four hundred twenty-one thousand nine hundred thirty
Scientific notation
2.8421930 × 10^7
Engineering notation
2.8421930 × 10^6
Prime Factorization
2 × 5 × 2842193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28421930
Product of the distinct prime numbers
The prime factorization of 28421930 is 2 × 5 × 2842193.
Since it has a total of 3 prime factors.
1 , 7 , 84 , 60 , 284 , 637 , 6251 , 9278 , 32588 , 87207 , 9225 , 265043 , 1206042 , 9516605 , 50697009 , 30487127 , 404031981 , 177098701 , 7790025550 , 8434941707
n×2
56843860
n×3
85265790
n×4
113687720
n×5
142109650
n÷2
14210965
n÷3
9473976.6666667
n÷3
7105482.5
n÷5
5684386
n2
807806104924900
n3
2.2959408567748E+22
n4
6.5255070315394E+29
n5
1.8546750406492E+37
2 √n
5331.2221863284
3 √n
305.17657069729
4 √n
73.015218867907
5 √n
30.954993210913
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
-28421929
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 28421930 can be divided by 8 positive divisors.
The sum of these divisors (counting 28421930) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100011010111100101010
3
Ternary
1222110222120002
4
Quaternary
1230122330222
5
Quinary
24234000210
6
Senary
2453103002
8
Octal
154327452
10
Decimal
28421930
12
Duodecimal
9627a62
16
Hexadecimal
1b1af2a
20
Vigesimal
8hcega
36
Base36
gx6i2
md5
240c7e189c369b70f79b8bd8d06b26e4
sha1
9dc36203974c80efee3d5433504218f86851040a
sha256
7c6dba435e7a409ca28ad9110bf8fa98c38b70f43fc8ad9045d920cb2a5afde9
sha512
8e6f21aa8f9fe5e804d45222c354996f5b2edfdf3f7a00f0b19ce8836ec2c9057000bd72a03b6c8c6f36e746212a6bf2731695be2c6541f233fc39b8a09855ec
ripemd-160
10553fc7fc3d68bbd3ad956b33e80840a0cba511
Diameter
56843860
Circumference
178580252.97769
Area
2.5377977247571E+15
Volume
9.6172145716272E+22
Surface area
1.0151190899028E+16
Circumference
178580252.97769
Perimeter
113687720
Area
807806104924900
Diagonal
40194678.874819
Surface area
4846836629549400
Volume
2.2959408567748E+22
Space diagonal
49228226.809166
Perimeter
85265790
Area
3.4979030409856E+14
Altitude
24614113.404583
Surface area
3.4979030409856E+14
Volume
2.7057922483812E+21
Height
13398226.291606