21241845 is an odd 8-digits composite number following 21241844
and preceding 21241846 . In scientific notation, it is written as 2.1241845 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 11328336 positive integers (up to 21241845) that are relatively prime to 21241845.
21241845 has 16 divisors, whose sum is 32170560
The reverse of 21241845 is 54814212
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million two hundred forty-one thousand eight hundred forty-five
Scientific notation
2.1241845 × 10^7
Engineering notation
2.1241845 × 10^6
Prime Factorization
9 × 45 × 3 × 17483
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21241845
Product of the distinct prime numbers
The prime factorization of 21241845 is 9 × 45 × 3 × 17483.
Since it has a total of 4 prime factors.
6 , 5 , 10 , 7 , 927 , 482 , 1480 , 1188 , 93027 , 72652 , 720593 , 866554 , 2110888 , 9490292 , 50909490 , 55984146 , 177716262 , 982730621 , 5454753726 , 706237496
n×2
42483690
n×3
63725535
n×4
84967380
n×5
106209225
n÷2
10620922.5
n÷3
7080615
n÷3
5310461.25
n÷5
4248369
n2
451215979004025
n3
9.5846598875268E+21
n4
2.0359585970856E+29
n5
4.324751694571E+36
2 √n
4608.8876098252
3 √n
276.94747621553
4 √n
67.888788542919
5 √n
29.203738239898
1 , 3 , 9 , 27 , 45 , 135 , 405 , 1215 , 17483 , 52449 , 157347 , 472041 , 786735 , 2360205 , 7080615 , 21241845
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
-21241844
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 21241845 can be divided by 16 positive divisors.
The sum of these divisors (counting 21241845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000001111111110101
3
Ternary
1110222012100000
4
Quaternary
1101001333311
5
Quinary
20414214340
6
Senary
2035141513
8
Octal
121017765
10
Decimal
21241845
12
Duodecimal
7144899
16
Hexadecimal
1441ff5
20
Vigesimal
6cf4c5
36
Base36
cnab9
md5
c4dbe60a443089e2741c01a9ae3939fc
sha1
32d6541ef7ab9949ad7e2e954716f7ef14d8a84d
sha256
e69beb08a834eb563bddc37fd5107bb20c17a0831c593795d412a42e6ef9963c
sha512
b8d5fd27fee0a34ccba3f74ceef56bdc560355d16631fb3731bcfa4002375867b567f2c790ea3ee43121c9f1a2f36d826925b645c82c8761a3b1351f60715cbd
ripemd-160
956434a7ef6b00e5636fca328c7df8bb35d8ff6d
Diameter
42483690
Circumference
133466448.40139
Area
1.4175368048214E+15
Volume
4.0148129453081E+22
Surface area
5.6701472192855E+15
Circumference
133466448.40139
Perimeter
84967380
Area
451215979004025
Diagonal
30040505.288827
Surface area
2707295874024150
Volume
9.5846598875268E+21
Space diagonal
36791954.786503
Perimeter
63725535
Area
1.9538225020548E+14
Altitude
18395977.393251
Surface area
1.9538225020548E+14
Volume
1.1295630003061E+21
Height
10013501.762942