21461825 is an odd 8-digits composite number following 21461824
and preceding 21461826 . In scientific notation, it is written as 2.1461825 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 13377600 positive integers (up to 21461825) that are relatively prime to 21461825.
21461825 has 16 divisors, whose sum is 28900800
The reverse of 21461825 is 52816412
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred sixty-one thousand eight hundred twenty-five
Scientific notation
2.1461825 × 10^7
Engineering notation
2.1461825 × 10^6
Prime Factorization
5 × 35 × 11 × 11149
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21461825
Product of the distinct prime numbers
The prime factorization of 21461825 is 5 × 35 × 11 × 11149.
Since it has a total of 4 prime factors.
3 , 9 , 49 , 66 , 461 , 876 , 8773 , 1920 , 5440 , 3278 , 584986 , 168449 , 7622577 , 5585284 , 76027869 , 39360296 , 346013923 , 906912292 , 6116678304 , 4338204090
n×2
42923650
n×3
64385475
n×4
85847300
n×5
107309125
n÷2
10730912.5
n÷3
7153941.6666667
n÷3
5365456.25
n÷5
4292365
n2
460609932330625
n3
9.8855297609417E+21
n4
2.1216150976162E+29
n5
4.5533731942397E+36
2 √n
4632.6909027044
3 √n
277.90021520993
4 √n
68.063873697464
5 √n
29.263975858655
1 , 5 , 11 , 35 , 55 , 175 , 385 , 1925 , 11149 , 55745 , 122639 , 390215 , 613195 , 1951075 , 4292365 , 21461825
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
-21461824
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 21461825 can be divided by 16 positive divisors.
The sum of these divisors (counting 21461825) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110111101101000001
3
Ternary
1111101101002102
4
Quaternary
1101313231001
5
Quinary
20443234300
6
Senary
2044000145
8
Octal
121675501
10
Decimal
21461825
12
Duodecimal
7230055
16
Hexadecimal
1477b41
20
Vigesimal
6e2eb5
36
Base36
cs01t
md5
0e4c6bc4d482018952ee03f290808b9a
sha1
52801f5a712b33b23bdea5e585aee165090f246e
sha256
e0be503e433e8822127c224bb157ccd2583aebcdcf261e21b571cd28d461462d
sha512
96a04b9fa843801b967bef2bdf84edd590a659f28aff15e2c94f8ccffb67273ffe80c17a53990dfa59f11217a38c4fdf1b1932dc5f7990598b38999deb223142
ripemd-160
7b0efbdcc6cb4bcd0edada2ae17076019b0e3ad3
Diameter
42923650
Circumference
134848623.50526
Area
1.4470487795804E+15
Volume
4.1408410231757E+22
Surface area
5.7881951183215E+15
Circumference
134848623.50526
Perimeter
85847300
Area
460609932330625
Diagonal
30351603.988278
Surface area
2763659593983750
Volume
9.8855297609417E+21
Space diagonal
37172971.323152
Perimeter
64385475
Area
1.9944995131688E+14
Altitude
18586485.661576
Surface area
1.9944995131688E+14
Volume
1.1650208549306E+21
Height
10117201.329426