28007906 is an even 8-digits composite number following 28007905
and preceding 28007907 . In scientific notation, it is written as 2.8007906 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 13632000 positive integers (up to 28007906) that are relatively prime to 28007906.
28007906 has 16 divisors, whose sum is 43142328
The reverse of 28007906 is 60970082
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million seven thousand nine hundred six
Scientific notation
2.8007906 × 10^7
Engineering notation
2.8007906 × 10^6
Prime Factorization
2 × 101 × 61 × 2273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28007906
Product of the distinct prime numbers
The prime factorization of 28007906 is 2 × 101 × 61 × 2273.
Since it has a total of 4 prime factors.
9 , 3 , 21 , 44 , 660 , 373 , 8329 , 5439 , 75928 , 19485 , 419457 , 194679 , 8152129 , 2437337 , 34155301 , 48563174 , 115090141 , 129875974 , 5259310857 , 6031613987
n×2
56015812
n×3
84023718
n×4
112031624
n×5
140039530
n÷2
14003953
n÷3
9335968.6666667
n÷3
7001976.5
n÷5
5601581.2
n2
784442798504836
n3
2.19706001629E+22
n4
6.153505041261E+29
n5
1.7234679076616E+37
2 √n
5292.249616184
3 √n
303.68747458426
4 √n
72.747849563984
5 √n
30.864278422994
1 , 2 , 61 , 101 , 122 , 202 , 2273 , 4546 , 6161 , 12322 , 138653 , 229573 , 277306 , 459146 , 14003953 , 28007906
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
-28007905
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 28007906 can be divided by 16 positive divisors.
The sum of these divisors (counting 28007906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110101110111100010
3
Ternary
1221200221121212
4
Quaternary
1222311313202
5
Quinary
24132223111
6
Senary
2440150122
8
Octal
152656742
10
Decimal
28007906
12
Duodecimal
9468342
16
Hexadecimal
1ab5de2
20
Vigesimal
8f0jf6
36
Base36
gob1e
md5
c1d6577fe83f43aa53621bfa271f9c4b
sha1
f52870e277eb6e33f7108186f4f4a1cccb3212ea
sha256
db9d6bfcb7088a61a5789d9fef1e4cb18c6fee1e52efb03822742323c4859a34
sha512
42fd8ec882d0e985cc22cabff2db1711d21cf70f7f1c820bb84b750fdb275ba60e164d4ed186558cae771d3bc952877f55dad694b1eacca933f1c28c9a82b0fc
ripemd-160
f273ec6ecbe3b288dbcac59f2b4e59a86ee93ac9
Diameter
56015812
Circumference
175978863.46407
Area
2.4643997329442E+15
Volume
9.2030234755635E+22
Surface area
9.8575989317768E+15
Circumference
175978863.46407
Perimeter
112031624
Area
784442798504836
Diagonal
39609160.518871
Surface area
4706656791029016
Volume
2.19706001629E+22
Space diagonal
48511116.205613
Perimeter
84023718
Area
3.3967369566047E+14
Altitude
24255558.102807
Surface area
3.3967369566047E+14
Volume
2.5892600603209E+21
Height
13203053.50629