21493854 is an even 8-digits composite number following 21493853
and preceding 21493855 . In scientific notation, it is written as 2.1493854 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 7164612 positive integers (up to 21493854) that are relatively prime to 21493854.
21493854 has 12 divisors, whose sum is 46570056
The reverse of 21493854 is 45839412
Previous prime number is 3
Is Prime? no Number parity even Number length 8 Sum of Digits 36 Digital Root 9
Name
twenty-one million four hundred ninety-three thousand eight hundred fifty-four
Scientific notation
2.1493854 × 10^7
Engineering notation
2.1493854 × 10^6
Prime Factorization
2 × 3 × 3 × 1194103
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
7164618 Product of the distinct prime numbers
The prime factorization of 21493854 is 2 × 3 × 3 × 1194103.
Since it has a total of 4 prime factors.
5 , 5 , 16 , 67 , 744 , 602 , 3698 , 5051 , 88424 , 56346 , 205894 , 283980 , 9605006 , 2801283 , 38190478 , 869666 , 497591558 , 62307731 , 3573170346 , 3689804467
n×2
42987708
n×3
64481562
n×4
85975416
n×5
107469270
n÷2
10746927
n÷3
7164618
n÷3
5373463.5
n÷5
4298770.8
n2
461985759773316
n3
9.9298544706467E+21
n4
2.1343084223333E+29
n5
4.5874513620602E+36
2 √n4636.1464601542
3 √n278.03838988151
4 √n68.089253631936
5 √n29.272705189605
1 , 2 , 3 , 6 , 9 , 18 , 1194103 , 2388206 , 3582309 , 7164618 , 10746927 , 21493854
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
-21493853 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 21493854 can be divided by 12 positive divisors.
The sum of these divisors (counting 21493854) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111111100001011110
3
Ternary
1111110000000200
4
Quaternary
1101333201132
5
Quinary
21000300404
6
Senary
2044404330
8
Octal
121774136
10
Decimal
21493854
12
Duodecimal
72466a6
16
Hexadecimal
147f85e
20
Vigesimal
6e6ece
36
Base36
csori
md5
9448aee5a545d516090f44d32bc5b3c9
sha1
9dfbd0520c016a0a30e2c3f18167fa3659db70e9
sha256
9433264dd2c3aa6951aa81d60f6ca9889ef0ee3fdc5fe998c80ec62a30883deb
sha512
1c4ce33ebc496c6d6e4a4c812121924ea411b3e059ae26b4e9d82908fcca8a73bfb696e46fe0785e0c6425c9d0802de9b4b77cd9a9d928f05e86ff46a77be333
ripemd-160
6701950475b486fd609bc7798d41463c24f23725
Diameter
42987708
Circumference
135049867.64746
Area
1.4513710689669E+15
Volume
4.1594077141599E+22
Surface area
5.8054842758678E+15
Circumference
135049867.64746
Perimeter
85975416
Area
461985759773316
Diagonal
30396899.834467
Surface area
2771914558639896
Volume
9.9298544706467E+21
Space diagonal
37228447.178468
Perimeter
64481562
Area
2.0004570207517E+14
Altitude
18614223.589234
Surface area
2.0004570207517E+14
Volume
1.170244572065E+21
Height
10132299.944822