21553212 is an even 8-digits composite number following 21553211
and preceding 21553213 . In scientific notation, it is written as 2.1553212 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 6761728 positive integers (up to 21553212) that are relatively prime to 21553212.
21553212 has 12 divisors, whose sum is 38458056
The reverse of 21553212 is 21235512
Previous prime number is 51
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million five hundred fifty-three thousand two hundred twelve
Scientific notation
2.1553212 × 10^7
Engineering notation
2.1553212 × 10^6
Prime Factorization
2 × 2 × 51 × 105653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10776606
Product of the distinct prime numbers
The prime factorization of 21553212 is 2 × 2 × 51 × 105653.
Since it has a total of 4 prime factors.
1 , 1 , 97 , 90 , 575 , 341 , 3800 , 3818 , 74169 , 33898 , 803833 , 164769 , 3047796 , 829399 , 13845002 , 13201102 , 248026563 , 904764569 , 4715563954 , 9659183145
n×2
43106424
n×3
64659636
n×4
86212848
n×5
107766060
n÷2
10776606
n÷3
7184404
n÷3
5388303
n÷5
4310642.4
n2
464540947516944
n3
1.0012349524514E+22
n4
2.1579829191994E+29
n5
4.6511463349884E+36
2 √n
4642.5436993097
3 √n
278.29410070882
4 √n
68.136214301278
5 √n
29.288855415636
1 , 2 , 4 , 51 , 102 , 204 , 105653 , 211306 , 422612 , 5388303 , 10776606 , 21553212
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
-21553211
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 21553212 can be divided by 12 positive divisors.
The sum of these divisors (counting 21553212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001110000000111100
3
Ternary
1111120000110010
4
Quaternary
1102032000330
5
Quinary
21004200322
6
Senary
2045543220
8
Octal
122160074
10
Decimal
21553212
12
Duodecimal
7274b10
16
Hexadecimal
148e03c
20
Vigesimal
6ee30c
36
Base36
ctykc
md5
762c447c2dabb70844c6627c004929b5
sha1
e29b31e4c6f01955efbab1428c10ce7c81537d6b
sha256
9cad2e8fd74becec571c33032d3f22d2dcd2fd8cd56a1417874a549eef8f2b24
sha512
fd855ea004332223e30774c6c6e37d745960c27993378be546131cf5715e412543e118b2d17eaecad9398b4a458b4eb0a5ba1870cce25ed5dbc0cac7b094fa87
ripemd-160
a75a2d04df5d0acf8df35010c99c3f0533b48b0b
Diameter
43106424
Circumference
135422824.96093
Area
1.4593984280109E+15
Volume
4.193963161518E+22
Surface area
5.8375937120435E+15
Circumference
135422824.96093
Perimeter
86212848
Area
464540947516944
Diagonal
30480844.723103
Surface area
2787245685101664
Volume
1.0012349524514E+22
Space diagonal
37331258.250303
Perimeter
64659636
Area
2.0115213082388E+14
Altitude
18665629.125152
Surface area
2.0115213082388E+14
Volume
1.1799667073989E+21
Height
10160281.574368