21303903 is an odd 8-digits composite number following 21303902
and preceding 21303904 . In scientific notation, it is written as 2.1303903 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 14161664 positive integers (up to 21303903) that are relatively prime to 21303903.
21303903 has 8 divisors, whose sum is 28487088
The reverse of 21303903 is 30930312
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million three hundred three thousand nine hundred three
Scientific notation
2.1303903 × 10^7
Engineering notation
2.1303903 × 10^6
Prime Factorization
3 × 353 × 20117
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21303903
Product of the distinct prime numbers
The prime factorization of 21303903 is 3 × 353 × 20117.
Since it has a total of 3 prime factors.
2 , 9 , 82 , 93 , 169 , 644 , 4765 , 7080 , 3453 , 63039 , 242869 , 824798 , 6683245 , 1155540 , 54476841 , 20407611 , 360565972 , 261933338 , 833619026 , 7260079330
n×2
42607806
n×3
63911709
n×4
85215612
n×5
106519515
n÷2
10651951.5
n÷3
7101301
n÷3
5325975.75
n÷5
4260780.6
n2
453856283033409
n3
9.6689102296843E+21
n4
2.059855256489E+29
n5
4.3882956578282E+36
2 √n
4615.615126936
3 √n
277.2169144638
4 √n
67.938318546575
5 √n
29.220782064581
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21303902
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21303903 can be divided by 8 positive divisors.
The sum of these divisors (counting 21303903) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001010001001001011111
3
Ternary
1111002100110110
4
Quaternary
1101101021133
5
Quinary
20423211103
6
Senary
2040341103
8
Octal
121211137
10
Decimal
21303903
12
Duodecimal
7174793
16
Hexadecimal
145125f
20
Vigesimal
6d2jf3
36
Base36
com73
md5
78cd824a8ed4912ec8e7251985cfb3de
sha1
6dceddbce900d39c811a47198d1b752baa087b24
sha256
6c1865ce174b3be4b2d540af7a8bb83bd929096bb3b4d38bc0befa7d6e69ec18
sha512
42d74efe0f153fdead2ac1bfb237fc68bf59892fec0531c9c619c9648c39293b1d279b4a67f1888cd7887e7cbea5ea38759f9ff91488eaa07f3ac93ab2c36923
ripemd-160
b81c7bc16c0a16422f2870aaab2b58cf745a1351
Diameter
42607806
Circumference
133856370.31518
Area
1.4258315645633E+15
Volume
4.050103646106E+22
Surface area
5.7033262582533E+15
Circumference
133856370.31518
Perimeter
85215612
Area
453856283033409
Diagonal
30128268.554081
Surface area
2723137698200454
Volume
9.6689102296843E+21
Space diagonal
36899442.395519
Perimeter
63911709
Area
1.9652553538706E+14
Altitude
18449721.19776
Surface area
1.9652553538706E+14
Volume
1.139491998349E+21
Height
10042756.184694