21241851 is an odd 8-digits composite number following 21241850
and preceding 21241852 . In scientific notation, it is written as 2.1241851 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 13507200 positive integers (up to 21241851) that are relatively prime to 21241851.
21241851 has 16 divisors, whose sum is 29657088
The reverse of 21241851 is 15814212
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million two hundred forty-one thousand eight hundred fifty-one
Scientific notation
2.1241851 × 10^7
Engineering notation
2.1241851 × 10^6
Prime Factorization
3 × 31 × 71 × 3217
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21241851
Product of the distinct prime numbers
The prime factorization of 21241851 is 3 × 31 × 71 × 3217.
Since it has a total of 4 prime factors.
9 , 5 , 100 , 8 , 345 , 95 , 3287 , 648 , 40839 , 59881 , 319889 , 861854 , 51345 , 2956245 , 14315137 , 75498352 , 550465511 , 42180742 , 9376469514 , 3207899480
n×2
42483702
n×3
63725553
n×4
84967404
n×5
106209255
n÷2
10620925.5
n÷3
7080617
n÷3
5310462.75
n÷5
4248370.2
n2
451216233906201
n3
9.5846680094167E+21
n4
2.035960897405E+29
n5
4.3247578024502E+36
2 √n
4608.8882607414
3 √n
276.94750229118
4 √n
67.888793336908
5 √n
29.203739889684
1 , 3 , 31 , 71 , 93 , 213 , 2201 , 3217 , 6603 , 9651 , 99727 , 228407 , 299181 , 685221 , 7080617 , 21241851
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
-21241850
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 21241851 can be divided by 16 positive divisors.
The sum of these divisors (counting 21241851) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000001111111111011
3
Ternary
1110222012100020
4
Quaternary
1101001333323
5
Quinary
20414214401
6
Senary
2035141523
8
Octal
121017773
10
Decimal
21241851
12
Duodecimal
71448a3
16
Hexadecimal
1441ffb
20
Vigesimal
6cf4cb
36
Base36
cnabf
md5
40c59f832bd054d71ba85ecf9e48e5fc
sha1
7918262b03768abef7e7434139b65e01d362ce4c
sha256
4c3ac2dc9900d93de236a18334a323e76589200f976fa55fa5e877e6c30f138a
sha512
d636294be6c1d5cec49b44698ee4ee7cede91f4fdbabab16199897ed5d6756d448ec169dfbd8c34d309e8649a17d79acd8931a0585f1ef5f17aca37eab317f4e
ripemd-160
7f88d9db16060895c65bf3187fc84eb245e5ed3b
Diameter
42483702
Circumference
133466486.1005
Area
1.4175376056202E+15
Volume
4.0148163473974E+22
Surface area
5.6701504224807E+15
Circumference
133466486.1005
Perimeter
84967404
Area
451216233906201
Diagonal
30040513.774108
Surface area
2707297403437206
Volume
9.5846680094167E+21
Space diagonal
36791965.178808
Perimeter
63725553
Area
1.9538236058136E+14
Altitude
18395982.589404
Surface area
1.9538236058136E+14
Volume
1.12956395748E+21
Height
10013504.591369