21236412 is an even 8-digits composite number following 21236411
and preceding 21236413 . In scientific notation, it is written as 2.1236412 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 7078800 positive integers (up to 21236412) that are relatively prime to 21236412.
21236412 has 12 divisors, whose sum is 49551656
The reverse of 21236412 is 21463212
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million two hundred thirty-six thousand four hundred twelve
Scientific notation
2.1236412 × 10^7
Engineering notation
2.1236412 × 10^6
Prime Factorization
2 × 2 × 3 × 1769701
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10618206
Product of the distinct prime numbers
The prime factorization of 21236412 is 2 × 2 × 3 × 1769701.
Since it has a total of 4 prime factors.
5 , 2 , 41 , 42 , 91 , 139 , 3703 , 1097 , 81339 , 4024 , 250170 , 142505 , 5951980 , 9895864 , 11344560 , 58855127 , 416428181 , 220560225 , 7076743584 , 8366631701
n×2
42472824
n×3
63709236
n×4
84945648
n×5
106182060
n÷2
10618206
n÷3
7078804
n÷3
5309103
n÷5
4247282.4
n2
450985194633744
n3
9.5773073991424E+21
n4
2.0338764577884E+29
n5
4.3192238414694E+36
2 √n
4608.2981674367
3 √n
276.92386269957
4 √n
67.88444716897
5 √n
29.202244206354
1 , 2 , 3 , 4 , 6 , 12 , 1769701 , 3539402 , 5309103 , 7078804 , 10618206 , 21236412
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
-21236411
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 21236412 can be divided by 12 positive divisors.
The sum of these divisors (counting 21236412) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001000000101010111100
3
Ternary
1110221220212210
4
Quaternary
1101000222330
5
Quinary
20414031122
6
Senary
2035100420
8
Octal
121005274
10
Decimal
21236412
12
Duodecimal
7141710
16
Hexadecimal
1440abc
20
Vigesimal
6ceb0c
36
Base36
cn64c
md5
e34243a9342dc326ac175c4b0cbabe97
sha1
61f7b0b7efe6529f19a8524bbd12b2a264aaf200
sha256
4d39c85b1257896a165d9f3e0d17390b332b77e6b6e0155b5da26e11db28031f
sha512
5a29fc8c2c7a4b65385b521fcf07593b20b6c210eaecbbaeb5dd73af99dd00dfddc10f442adb1f7ff6e02b670f313194c080c6c69fdbbe81647e7169bf9dc8fe
ripemd-160
81af0d91fb95cb661117174cb203aaddd5e8566e
Diameter
42472824
Circumference
133432311.85561
Area
1.4168117743391E+15
Volume
4.0117331421756E+22
Surface area
5.6672470973565E+15
Circumference
133432311.85561
Perimeter
84945648
Area
450985194633744
Diagonal
30032821.866543
Surface area
2705911167802464
Volume
9.5773073991424E+21
Space diagonal
36782544.554465
Perimeter
63709236
Area
1.9528231764175E+14
Altitude
18391272.277233
Surface area
1.9528231764175E+14
Volume
1.1286965012403E+21
Height
10010940.622181