21143941 is an odd 8-digits composite number following 21143940
and preceding 21143942 . In scientific notation, it is written as 2.1143941 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 15839712 positive integers (up to 21143941) that are relatively prime to 21143941.
21143941 has 16 divisors, whose sum is 24472000
The reverse of 21143941 is 14934112
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred forty-three thousand nine hundred forty-one
Scientific notation
2.1143941 × 10^7
Engineering notation
2.1143941 × 10^6
Prime Factorization
19 × 49 × 13 × 1747
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21143941
Product of the distinct prime numbers
The prime factorization of 21143941 is 19 × 49 × 13 × 1747.
Since it has a total of 4 prime factors.
9 , 2 , 15 , 57 , 711 , 742 , 8154 , 446 , 24685 , 65594 , 115796 , 307100 , 6666136 , 4729816 , 32936901 , 95548215 , 765254410 , 244079426 , 6210155507 , 1083145129
n×2
42287882
n×3
63431823
n×4
84575764
n×5
105719705
n÷2
10571970.5
n÷3
7047980.3333333
n÷3
5285985.25
n÷5
4228788.2
n2
447066241011481
n3
9.4527422230385E+21
n4
1.9986822385214E+29
n5
4.2260019329043E+36
2 √n
4598.2541252088
3 √n
276.52133574613
4 √n
67.810427850065
5 √n
29.176768373737
1 , 13 , 19 , 49 , 247 , 637 , 931 , 1747 , 12103 , 22711 , 33193 , 85603 , 431509 , 1112839 , 1626457 , 21143941
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
-21143940
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 21143941 can be divided by 16 positive divisors.
The sum of these divisors (counting 21143941) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101010000110000101
3
Ternary
1110210020000221
4
Quaternary
1100222012011
5
Quinary
20403101231
6
Senary
2033104341
8
Octal
120520605
10
Decimal
21143941
12
Duodecimal
70b80b1
16
Hexadecimal
142a185
20
Vigesimal
6c2jh1
36
Base36
cl6rp
md5
88cf8bf64b3360b067f9d40297a8f374
sha1
7976736db79cfb8b1fd6bf3d8edddaa7ac9aa939
sha256
2d45efee6fbcabe2c968ce62598c9ae092f35b484770563a271818ab3dbe6a05
sha512
6e932fe4d234e2244f1ee676dfedb3c258c94219a78d4a3ebe220f8883205cc018d6b731514275208c7dfb024afe6cc79396c25462a644dc8433e158a707658b
ripemd-160
1f7b48e2a3167fa51666ec10993cd1bb481be62d
Diameter
42287882
Circumference
132851299.42707
Area
1.4045000184297E+15
Volume
3.9595554032235E+22
Surface area
5.6180000737187E+15
Circumference
132851299.42707
Perimeter
84575764
Area
447066241011481
Diagonal
29902048.124217
Surface area
2682397446068886
Volume
9.4527422230385E+21
Space diagonal
36622380.084239
Perimeter
63431823
Area
1.9358536094518E+14
Altitude
18311190.042119
Surface area
1.9358536094518E+14
Volume
1.1140163544532E+21
Height
9967349.3747388