21000804 is an even 8-digits composite number following 21000803
and preceding 21000805 . In scientific notation, it is written as 2.1000804 × 10^7.
The sum of its digits is 15. It has a total of 4 prime factors and 12 positive divisors.
There are 6363840 positive integers (up to 21000804) that are relatively prime to 21000804.
21000804 has 12 divisors, whose sum is 37865324
The reverse of 21000804 is 40800012
Previous prime number is 33
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty-one million eight hundred four
Scientific notation
2.1000804 × 10^7
Engineering notation
2.1000804 × 10^6
Prime Factorization
2 × 2 × 33 × 159097
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10500402
Product of the distinct prime numbers
The prime factorization of 21000804 is 2 × 2 × 33 × 159097.
Since it has a total of 4 prime factors.
1 , 9 , 78 , 98 , 23 , 278 , 1497 , 9743 , 59371 , 48997 , 267547 , 95956 , 3621589 , 1158657 , 7245143 , 21887632 , 892481899 , 392398964 , 9457110489 , 5654819225
n×2
42001608
n×3
63002412
n×4
84003216
n×5
105004020
n÷2
10500402
n÷3
7000268
n÷3
5250201
n÷5
4200160.8
n2
441033768646416
n3
9.2620637327247E+21
n4
1.9451078508646E+29
n5
4.0848828734869E+36
2 √n
4582.6634177081
3 √n
275.89593850594
4 √n
67.69537220304
5 √n
29.137157688016
1 , 2 , 4 , 33 , 66 , 132 , 159097 , 318194 , 636388 , 5250201 , 10500402 , 21000804
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
-21000803
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 21000804 can be divided by 12 positive divisors.
The sum of these divisors (counting 21000804) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000111001001100100
3
Ternary
1110111221200120
4
Quaternary
1100013021210
5
Quinary
20334011204
6
Senary
2030041540
8
Octal
120071144
10
Decimal
21000804
12
Duodecimal
70492b0
16
Hexadecimal
1407264
20
Vigesimal
6b5204
36
Base36
ci4bo
md5
390932cb392b5375d900b23d6382ee4e
sha1
8a1692ae2c6e9d343a7b82922943270bd63bd47c
sha256
7f75b5f3f171d94810b59547d24772e70a4925f1a40008bf3905a172659e0ccb
sha512
6e076b3d457c9ca105a7df422290cbfdac9352aef088569f5b0bde42fe8c715e6cf5463f49c799eecfed624dc8736c92cb70aa4adeff6f12587cd32bd1182ac5
ripemd-160
6e673895d79958765714b14b9c4b5bcc3c41c6c1
Diameter
42001608
Circumference
131951943.13176
Area
1.3855484475646E+15
Volume
3.8796841839745E+22
Surface area
5.5421937902584E+15
Circumference
131951943.13176
Perimeter
84003216
Area
441033768646416
Diagonal
29699621.837539
Surface area
2646202611878496
Volume
9.2620637327247E+21
Space diagonal
36374459.527796
Perimeter
63002412
Area
1.9097322378729E+14
Altitude
18187229.763898
Surface area
1.9097322378729E+14
Volume
1.0915446788653E+21
Height
9899873.9458464