21203668 is an even 8-digits composite number following 21203667
and preceding 21203669 . In scientific notation, it is written as 2.1203668 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 10578200 positive integers (up to 21203668) that are relatively prime to 21203668.
21203668 has 12 divisors, whose sum is 37189152
The reverse of 21203668 is 86630212
Previous prime number is 467
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million two hundred three thousand six hundred sixty-eight
Scientific notation
2.1203668 × 10^7
Engineering notation
2.1203668 × 10^6
Prime Factorization
2 × 2 × 467 × 11351
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10601834
Product of the distinct prime numbers
The prime factorization of 21203668 is 2 × 2 × 467 × 11351.
Since it has a total of 4 prime factors.
7 , 5 , 98 , 99 , 646 , 556 , 8750 , 2802 , 14421 , 39577 , 688491 , 484938 , 4978072 , 2238350 , 76528958 , 84106249 , 696049824 , 327567328 , 9716520445 , 7249387187
n×2
42407336
n×3
63611004
n×4
84814672
n×5
106018340
n÷2
10601834
n÷3
7067889.3333333
n÷3
5300917
n÷5
4240733.6
n2
449595536654224
n3
9.533074493498E+21
n4
2.021361465794E+29
n5
4.2860277428689E+36
2 √n
4604.7440754074
3 √n
276.78146169295
4 √n
67.858264606512
5 √n
29.193233375639
1 , 2 , 4 , 467 , 934 , 1868 , 11351 , 22702 , 45404 , 5300917 , 10601834 , 21203668
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21203667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21203668 can be divided by 12 positive divisors.
The sum of these divisors (counting 21203668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000111000101011010100
3
Ternary
1110220020222001
4
Quaternary
1100320223110
5
Quinary
20412004133
6
Senary
2034245044
8
Octal
120705324
10
Decimal
21203668
12
Duodecimal
7126784
16
Hexadecimal
1438ad4
20
Vigesimal
6ca938
36
Base36
cmgus
md5
b7d6a8aa365ae281ae622d96461c82fb
sha1
cf4b7cdc121d27b7e4d02ece7612177fdaca902e
sha256
2f3e79b7e7a1892f05259ea978e5ad983c1ff0e75b4f034d877ebba5988f3111
sha512
d869f03626a3e412aeeef6466a12cdb448d1300f8257dc2a354b604d592061920fc970c8f887fb961c9b44d86efbfee9b1e442356b1f151fbacdb00204ca7006
ripemd-160
52ca61eb90590e173a4ea2c498bd4e993a55888e
Diameter
42407336
Circumference
133226575.23591
Area
1.4124460350397E+15
Volume
3.9932049059863E+22
Surface area
5.6497841401587E+15
Circumference
133226575.23591
Perimeter
84814672
Area
449595536654224
Diagonal
29986514.857656
Surface area
2697573219925344
Volume
9.533074493498E+21
Space diagonal
36725830.282822
Perimeter
63611004
Area
1.9468057808533E+14
Altitude
18362915.141411
Surface area
1.9468057808533E+14
Volume
1.1234836033182E+21
Height
9995504.9525521