21331656 is an even 8-digits composite number following 21331655
and preceding 21331657 . In scientific notation, it is written as 2.1331656 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 7110528 positive integers (up to 21331656) that are relatively prime to 21331656.
21331656 has 16 divisors, whose sum is 44441100
The reverse of 21331656 is 65613312
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million three hundred thirty-one thousand six hundred fifty-six
Scientific notation
2.1331656 × 10^7
Engineering notation
2.1331656 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 296273
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5332914
Product of the distinct prime numbers
The prime factorization of 21331656 is 2 × 2 × 2 × 9 × 296273.
Since it has a total of 5 prime factors.
8 , 1 , 47 , 53 , 437 , 947 , 3182 , 767 , 83799 , 37944 , 637351 , 152659 , 2019393 , 4414802 , 56887636 , 37215876 , 816188047 , 558178238 , 5840968661 , 6757565537
n×2
42663312
n×3
63994968
n×4
85326624
n×5
106658280
n÷2
10665828
n÷3
7110552
n÷3
5332914
n÷5
4266331.2
n2
455039547702336
n3
9.7067470979818E+21
n4
2.0706098997315E+29
n5
4.4169538091266E+36
2 √n
4618.6205732881
3 √n
277.33724081238
4 √n
67.960433880958
5 √n
29.2283913943
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 296273 , 592546 , 1185092 , 2370184 , 2666457 , 5332914 , 10665828 , 21331656
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
-21331655
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 21331656 can be divided by 16 positive divisors.
The sum of these divisors (counting 21331656) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001010111111011001000
3
Ternary
1111010202112100
4
Quaternary
1101113323020
5
Quinary
20430103111
6
Senary
2041113400
8
Octal
121277310
10
Decimal
21331656
12
Duodecimal
7188860
16
Hexadecimal
1457ec8
20
Vigesimal
6d692g
36
Base36
cp7m0
md5
895ac7b31b960533c73409549448ed71
sha1
8f4266bc41efe4e311e739a4c1ed0c2e442be26b
sha256
5a18eff238276934ec662f9236fc38a2b6d7df7c560c643e6d43b8195e4e4733
sha512
a008225bf197e86c532a369d68dba80d5601360b922b3b54cf30fbbe246d2c0e75f09aa239ae5818320c5c7c32262255f4aac861ec778a822f52c3078a8d2531
ripemd-160
4a8438bb226ff928f50bb434c3c82416641a3a3d
Diameter
42663312
Circumference
134030747.55701
Area
1.4295489001545E+15
Volume
4.0659527164365E+22
Surface area
5.7181956006179E+15
Circumference
134030747.55701
Perimeter
85326624
Area
455039547702336
Diagonal
30167517.223077
Surface area
2730237286214016
Volume
9.7067470979818E+21
Space diagonal
36947512.001581
Perimeter
63994968
Area
1.970379040184E+14
Altitude
18473756.000791
Surface area
1.970379040184E+14
Volume
1.143951116041E+21
Height
10055839.074359