21241818 is an even 8-digits composite number following 21241817
and preceding 21241819 . In scientific notation, it is written as 2.1241818 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 6535728 positive integers (up to 21241818) that are relatively prime to 21241818.
21241818 has 32 divisors, whose sum is 50836800
The reverse of 21241818 is 81814212
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million two hundred forty-one thousand eight hundred eighteen
Scientific notation
2.1241818 × 10^7
Engineering notation
2.1241818 × 10^6
Prime Factorization
2 × 9 × 3 × 13 × 30259
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21241818
Product of the distinct prime numbers
The prime factorization of 21241818 is 2 × 9 × 3 × 13 × 30259.
Since it has a total of 5 prime factors.
6 , 4 , 57 , 29 , 232 , 921 , 9930 , 2049 , 88833 , 44560 , 657733 , 971010 , 8492221 , 5970499 , 16349130 , 84363942 , 560916607 , 22811658 , 7221016692 , 2940125236
n×2
42483636
n×3
63725454
n×4
84967272
n×5
106209090
n÷2
10620909
n÷3
7080606
n÷3
5310454.5
n÷5
4248363.6
n2
451214831945124
n3
9.5846233390789E+21
n4
2.0359482456727E+29
n5
4.3247242091998E+36
2 √n
4608.884680701
3 √n
276.94735887505
4 √n
67.888766969956
5 √n
29.20373081586
1 , 2 , 3 , 6 , 9 , 13 , 18 , 26 , 27 , 39 , 54 , 78 , 117 , 234 , 351 , 702 , 30259 , 60518 , 90777 , 181554 , 272331 , 393367 , 544662 , 786734 , 816993 , 1180101 , 1633986 , 2360202 , 3540303 , 7080606 , 10620909 , 21241818
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21241817
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21241818 can be divided by 32 positive divisors.
The sum of these divisors (counting 21241818) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001000001111111011010
3
Ternary
1110222012022000
4
Quaternary
1101001333122
5
Quinary
20414214233
6
Senary
2035141430
8
Octal
121017732
10
Decimal
21241818
12
Duodecimal
7144876
16
Hexadecimal
1441fda
20
Vigesimal
6cf4ai
36
Base36
cnaai
md5
9e9d9b30ef441e77d52dab0aa26c2f2b
sha1
f0d61dd9ec29dd43788a85f0ebe02df276be8989
sha256
6cf3b42ecb636c0a55c5ef4b8a6136594bd6d880b7e5841d7c85e650d1afce64
sha512
0c5d5c40bdc76949fc430b44480345fb4fd047d685ebd55cdbb20051fb908bb0d2f44c4c5bb7145eacce0b776c7c8f3c22d03fcdf04124f4f56a20fcb1000ab8
ripemd-160
a77e0dd65119e8b3e9f607af99ffa00483f7fa23
Diameter
42483636
Circumference
133466278.75538
Area
1.4175332012296E+15
Volume
4.0147976359301E+22
Surface area
5.6701328049182E+15
Circumference
133466278.75538
Perimeter
84967272
Area
451214831945124
Diagonal
30040467.105061
Surface area
2707288991670744
Volume
9.5846233390789E+21
Space diagonal
36791908.021131
Perimeter
63725454
Area
1.953817535144E+14
Altitude
18395954.010566
Surface area
1.953817535144E+14
Volume
1.1295586930303E+21
Height
10013489.03502