21553213 is an odd 8-digits composite number following 21553212
and preceding 21553214 . In scientific notation, it is written as 2.1553213 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 19155320 positive integers (up to 21553213) that are relatively prime to 21553213.
21553213 has 12 divisors, whose sum is 24050592
The reverse of 21553213 is 31235512
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million five hundred fifty-three thousand two hundred thirteen
Scientific notation
2.1553213 × 10^7
Engineering notation
2.1553213 × 10^6
Prime Factorization
11 × 47 × 47 × 887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
458579
Product of the distinct prime numbers
The prime factorization of 21553213 is 11 × 47 × 47 × 887.
Since it has a total of 4 prime factors.
9 , 4 , 40 , 68 , 73 , 992 , 3406 , 5402 , 17196 , 70656 , 147969 , 761776 , 147310 , 8361776 , 33061210 , 77990329 , 737815020 , 37652660 , 607520916 , 6183509223
n×2
43106426
n×3
64659639
n×4
86212852
n×5
107766065
n÷2
10776606.5
n÷3
7184404.3333333
n÷3
5388303.25
n÷5
4310642.6
n2
464540990623369
n3
1.0012350918136E+22
n4
2.1579833196934E+29
n5
4.6511474139799E+36
2 √n
4642.5438070093
3 √n
278.29410501281
4 √n
68.136215091604
5 √n
29.288855687418
1 , 11 , 47 , 517 , 887 , 2209 , 9757 , 24299 , 41689 , 458579 , 1959383 , 21553213
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
-21553212
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 21553213 can be divided by 12 positive divisors.
The sum of these divisors (counting 21553213) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001110000000111101
3
Ternary
1111120000110011
4
Quaternary
1102032000331
5
Quinary
21004200323
6
Senary
2045543221
8
Octal
122160075
10
Decimal
21553213
12
Duodecimal
7274b11
16
Hexadecimal
148e03d
20
Vigesimal
6ee30d
36
Base36
ctykd
md5
464b853783ab121c7da0fe2298d9790a
sha1
3a2a03b5fb71e1bb5213a0e0912697daad52548d
sha256
ac60b3c303852427a6d7a07994e7de2da707ebbffd51f158eabca089eddf8a40
sha512
18cdcce51040cb04a966ba16dfe4ff564fb3baec8e61d82a983b2a882b7799691ff2390d6f60688bf146e288401f6c0d1a9ba2c861564342596eaed15e1e893c
ripemd-160
db4302e0526286a36259eedd197289c8273c6aa5
Diameter
43106426
Circumference
135422831.24411
Area
1.4593985634337E+15
Volume
4.1939637452774E+22
Surface area
5.8375942537348E+15
Circumference
135422831.24411
Perimeter
86212852
Area
464540990623369
Diagonal
30480846.137316
Surface area
2787245943740214
Volume
1.0012350918136E+22
Space diagonal
37331259.982354
Perimeter
64659639
Area
2.0115214948951E+14
Altitude
18665629.991177
Surface area
2.0115214948951E+14
Volume
1.1799668716389E+21
Height
10160282.045772