28478009 is an odd 8-digits composite number following 28478008
and preceding 28478010 . In scientific notation, it is written as 2.8478009 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 22820352 positive integers (up to 28478009) that are relatively prime to 28478009.
28478009 has 16 divisors, whose sum is 34691328
The reverse of 28478009 is 90087482
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million four hundred seventy-eight thousand nine
Scientific notation
2.8478009 × 10^7
Engineering notation
2.8478009 × 10^6
Prime Factorization
167 × 7 × 17 × 1433
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28478009
Product of the distinct prime numbers
The prime factorization of 28478009 is 167 × 7 × 17 × 1433.
Since it has a total of 4 prime factors.
9 , 9 , 50 , 99 , 309 , 158 , 8785 , 8929 , 88498 , 91719 , 710642 , 903586 , 2685661 , 1467227 , 968287 , 27767599 , 169365999 , 780592285 , 5951781692 , 5727647063
n×2
56956018
n×3
85434027
n×4
113912036
n×5
142390045
n÷2
14239004.5
n÷3
9492669.6666667
n÷3
7119502.25
n÷5
5695601.8
n2
810996996604081
n3
2.3095579768264E+22
n4
6.5771612850084E+29
n5
1.8730445826892E+37
2 √n
5336.4790826911
3 √n
305.37715235398
4 √n
73.051208632651
5 √n
30.967198973366
1 , 7 , 17 , 119 , 167 , 1169 , 1433 , 2839 , 10031 , 19873 , 24361 , 170527 , 239311 , 1675177 , 4068287 , 28478009
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
-28478008
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 28478009 can be divided by 16 positive divisors.
The sum of these divisors (counting 28478009) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100101000101000111001
3
Ternary
1222120211111002
4
Quaternary
1230220220321
5
Quinary
24242244014
6
Senary
2454214345
8
Octal
154505071
10
Decimal
28478009
12
Duodecimal
96543b5
16
Hexadecimal
1b28a39
20
Vigesimal
8hjf09
36
Base36
gydrt
md5
ee84503d3da705f97a1c3ed8dff948f9
sha1
65992244c386ee066cef9a33528da959d1424c4d
sha256
b055b105b5fae90032ac0157252f6f7ad682022612f3a5e82a30e2ab2c9e7ad8
sha512
cc5e2f749563177a455300239953279edc0a4317ff17d8e5adb7b63534d0f0f668388cb87ebe44cdb617e0c81054e03e6dce92516c0f6c442a7f7d4d02af2984
ripemd-160
40dd54ec7dc511e382c616d75b3497ddf277ec53
Diameter
56956018
Circumference
178932607.72653
Area
2.5478222066148E+15
Volume
9.6742538307167E+22
Surface area
1.0191288826459E+16
Circumference
178932607.72653
Perimeter
113912036
Area
810996996604081
Diagonal
40273986.557183
Surface area
4865981979624486
Volume
2.3095579768264E+22
Space diagonal
49325358.486404
Perimeter
85434027
Area
3.5117200072601E+14
Altitude
24662679.243202
Surface area
3.5117200072601E+14
Volume
2.7218401782624E+21
Height
13424662.185728