21303921 is an odd 8-digits composite number following 21303920
and preceding 21303922 . In scientific notation, it is written as 2.1303921 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13455072 positive integers (up to 21303921) that are relatively prime to 21303921.
21303921 has 8 divisors, whose sum is 29900320
The reverse of 21303921 is 12930312
Previous prime number is 19
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 twenty-one
Scientific notation
2.1303921 × 10^7
Engineering notation
2.1303921 × 10^6
Prime Factorization
3 × 19 × 373753
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21303921
Product of the distinct prime numbers
The prime factorization of 21303921 is 3 × 19 × 373753.
Since it has a total of 3 prime factors.
4 , 4 , 23 , 62 , 42 , 358 , 6193 , 6683 , 51583 , 60465 , 654365 , 643641 , 7951842 , 1658853 , 55530342 , 46951001 , 509377849 , 844301748 , 6438092109 , 3571664199
n×2
42607842
n×3
63911763
n×4
85215684
n×5
106519605
n÷2
10651960.5
n÷3
7101307
n÷3
5325980.25
n÷5
4260784.2
n2
453857049974241
n3
9.6689347379443E+21
n4
2.0598622181132E+29
n5
4.3883141965569E+36
2 √n
4615.6170768382
3 √n
277.21699253874
4 √n
67.938332897107
5 √n
29.220787002398
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
-21303920
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 21303921 can be divided by 8 positive divisors.
The sum of these divisors (counting 21303921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001010001001001110001
3
Ternary
1111002100111010
4
Quaternary
1101101021301
5
Quinary
20423211141
6
Senary
2040341133
8
Octal
121211161
10
Decimal
21303921
12
Duodecimal
71747a9
16
Hexadecimal
1451271
20
Vigesimal
6d2jg1
36
Base36
com7l
md5
ea636249dd00cb1acbabd42408f5ba98
sha1
f3251f33ea35b8d244fe8d4bfa09798931caff74
sha256
8b9b6e85a485c54f8481317cfa0e8155aca3261a93332c226a609f4f6582bcd0
sha512
937db9c05ff0804ad6e7d921c2e2a542480c3d26ed9c9fb4575176e1cb95807537b245fadf698ed29e3e373ba9632321e0daee70848e2a5aa6abafcb874528e2
ripemd-160
5c9e2b286a708c0cf77873c50becb8adf5dcdf86
Diameter
42607842
Circumference
133856483.41251
Area
1.425833973979E+15
Volume
4.050113912102E+22
Surface area
5.703335895916E+15
Circumference
133856483.41251
Perimeter
85215684
Area
453857049974241
Diagonal
30128294.009925
Surface area
2723142299845446
Volume
9.6689347379443E+21
Space diagonal
36899473.572434
Perimeter
63911763
Area
1.9652586748218E+14
Altitude
18449736.786217
Surface area
1.9652586748218E+14
Volume
1.1394948866751E+21
Height
10042764.669975