21126656 is an even 8-digits composite number following 21126655
and preceding 21126657 . In scientific notation, it is written as 2.1126656 × 10^7.
The sum of its digits is 29. It has a total of 10 prime factors and 20 positive divisors.
There are 10563072 positive integers (up to 21126656) that are relatively prime to 21126656.
21126656 has 20 divisors, whose sum is 42213072
The reverse of 21126656 is 65662112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million one hundred twenty-six thousand six hundred fifty-six
Scientific notation
2.1126656 × 10^7
Engineering notation
2.1126656 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 41263
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
10
Total number of prime factors
rad
Radical
82526
Product of the distinct prime numbers
The prime factorization of 21126656 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 41263.
Since it has a total of 10 prime factors.
6 , 7 , 90 , 7 , 348 , 198 , 2852 , 5881 , 47626 , 93149 , 831720 , 98668 , 325333 , 1240321 , 22249108 , 62647821 , 361892151 , 343837645 , 5916616972 , 1920021896
n×2
42253312
n×3
63379968
n×4
84506624
n×5
105633280
n÷2
10563328
n÷3
7042218.6666667
n÷3
5281664
n÷5
4225331.2
n2
446335593742336
n3
9.4295785495501E+21
n4
1.9921546224132E+29
n5
4.2087565406534E+36
2 √n
4596.3742232329
3 √n
276.44596388857
4 √n
67.796564981073
5 √n
29.171996458856
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 512 , 41263 , 82526 , 165052 , 330104 , 660208 , 1320416 , 2640832 , 5281664 , 10563328 , 21126656
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21126655
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21126656 can be divided by 20 positive divisors.
The sum of these divisors (counting 21126656) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000100101111000000000
3
Ternary
1110202100022202
4
Quaternary
1100211320000
5
Quinary
20402023111
6
Senary
2032452332
8
Octal
120457000
10
Decimal
21126656
12
Duodecimal
70aa0a8
16
Hexadecimal
1425e00
20
Vigesimal
6c0gcg
36
Base36
cktfk
md5
28ffcf5e91b3e85e9843c556f9ebd3c9
sha1
b26d29f9694aa1454076b7c203345b4f053aab0c
sha256
799f5f504a9ef22ff75a24fb848d786600240518089d8c2c15a2c1eb643099ff
sha512
7c9fd76f47d9e561526122a23586c234da5f613243402d17e30c12f5bbb450b72a789c89b674b11f208d258bc79926aefff39c6d8ce368f94008497768e5f15b
ripemd-160
f50c36d98e9c7f4aaf053f123b9c36ec387a2b55
Diameter
42253312
Circumference
132742694.56904
Area
1.4022046223366E+15
Volume
3.9498526263619E+22
Surface area
5.6088184893462E+15
Circumference
132742694.56904
Perimeter
84506624
Area
446335593742336
Diagonal
29877603.442791
Surface area
2678013562454016
Volume
9.4295785495501E+21
Space diagonal
36592441.58603
Perimeter
63379968
Area
1.9326898139704E+14
Altitude
18296220.793015
Surface area
1.9326898139704E+14
Volume
1.111286489353E+21
Height
9959201.147597