21004585 is an odd 8-digits composite number following 21004584
and preceding 21004586 . In scientific notation, it is written as 2.1004585 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 14402976 positive integers (up to 21004585) that are relatively prime to 21004585.
21004585 has 12 divisors, whose sum is 29321028
The reverse of 21004585 is 58540012
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million four thousand five hundred eighty-five
Scientific notation
2.1004585 × 10^7
Engineering notation
2.1004585 × 10^6
Prime Factorization
5 × 7 × 7 × 85733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3000655
Product of the distinct prime numbers
The prime factorization of 21004585 is 5 × 7 × 7 × 85733.
Since it has a total of 4 prime factors.
4 , 1 , 46 , 89 , 155 , 160 , 937 , 1300 , 93029 , 37807 , 456973 , 182815 , 9697810 , 9477380 , 90220163 , 50000844 , 643095800 , 753018063 , 523326948 , 5799538953
n×2
42009170
n×3
63013755
n×4
84018340
n×5
105022925
n÷2
10502292.5
n÷3
7001528.3333333
n÷3
5251146.25
n÷5
4200917
n2
441192591022225
n3
9.2670672794966E+21
n4
1.946509023729E+29
n5
4.0885614242184E+36
2 √n
4583.0759321661
3 √n
275.91249501406
4 √n
67.698418978334
5 √n
29.138206787471
1 , 5 , 7 , 35 , 49 , 245 , 85733 , 428665 , 600131 , 3000655 , 4200917 , 21004585
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21004584
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21004585 can be divided by 12 positive divisors.
The sum of these divisors (counting 21004585) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000001000000100101001
3
Ternary
1110112010212121
4
Quaternary
1100020010221
5
Quinary
20334121320
6
Senary
2030111241
8
Octal
120100451
10
Decimal
21004585
12
Duodecimal
704b521
16
Hexadecimal
1408129
20
Vigesimal
6b5b95
36
Base36
ci78p
md5
3d4c3ce0224b864b9ebc549d3b8c0d00
sha1
47dbca9e363f954cd6e5052e9fbd7a5b24184380
sha256
595f4477eee4b705a624498ae137c2335c96a02f48bc9d11064362fcfffa4cc4
sha512
d847adf1c77839d7be98762d833b942a5c9bb81a7758b8b64e4990d132aa9c1633bbd99c44bdbb17f366d600f96891e96f18aaa3021669bd18219afdaf1cca7b
ripemd-160
dde89e53d11d0ae3bd50d1b5ab7e5e565e17a410
Diameter
42009170
Circumference
131975699.8554
Area
1.3860474027737E+15
Volume
3.8817800647452E+22
Surface area
5.5441896110947E+15
Circumference
131975699.8554
Perimeter
84018340
Area
441192591022225
Diagonal
29704968.979018
Surface area
2647155546133350
Volume
9.2670672794966E+21
Space diagonal
36381008.411899
Perimeter
63013755
Area
1.9104199589336E+14
Altitude
18190504.20595
Surface area
1.9104199589336E+14
Volume
1.0921343525073E+21
Height
9901656.3263395