21353531 is an odd 8-digits prime number following 21353530
and preceding 21353532 . In scientific notation, it is written as 2.1353531 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 21353530 positive integers (up to 21353531) that are relatively prime to 21353531.
21353531 has 2 divisors, whose sum is 21353532
The reverse of 21353531 is 13535312
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 23 Digital Root 5
Name
twenty-one million three hundred fifty-three thousand five hundred thirty-one
Scientific notation
2.1353531 × 10^7
Engineering notation
2.1353531 × 10^6
Prime Factorization
21353531
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21353531 Product of the distinct prime numbers
The prime factorization of 21353531 is 21353531.
Since it has a total of 1 prime factors.
9 , 7 , 45 , 55 , 492 , 272 , 3704 , 1917 , 17281 , 56879 , 854197 , 375583 , 3562099 , 4943147 , 9135064 , 30745856 , 821744804 , 873371399 , 9820726407 , 4172248093
n×2
42707062
n×3
64060593
n×4
85414124
n×5
106767655
n÷2
10676765.5
n÷3
7117843.6666667
n÷3
5338382.75
n÷5
4270706.2
n2
455973286167961
n3
9.7366397013594E+21
n4
2.0791163769881E+29
n5
4.4396476008623E+36
2 √n4620.988097799
3 √n277.4320088817
4 √n67.977850052786
5 √n29.234383511934
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21353532 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10676766 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4620.988206001 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999063387 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21353531 can be divided by 2 positive divisors.
The sum of these divisors (counting 21353531) is 21353532, the average is 10676766.
Base
System
Value
2
Binary
1010001011101010000111011
3
Ternary
1111011212112112
4
Quaternary
1101131100323
5
Quinary
20431303111
6
Senary
2041402535
8
Octal
121352073
10
Decimal
21353531
12
Duodecimal
719944b
16
Hexadecimal
145d43b
20
Vigesimal
6d93gb
36
Base36
cpohn
md5
67c11bd8a0a249e21d171dd1f559bb76
sha1
ae2a04e5a430a0eb18657b2a3c6aa4bd9c698b18
sha256
a0b5594e8049e75b0a017ec32c09d2c2e4a90fd3cccbc78ef9190aabae4bacc2
sha512
cf3becf455d381c9ced4cd23520b9d00448be98fadcf6d0670a22277aa4343118a594558447d89cdc3e7c4f0a3d5e9bdadbfea179d8e432cd277e819a0c2e603
ripemd-160
da243d7c29778f7fefb6fe7362b1333ed25cc4c5
Diameter
42707062
Circumference
134168192.2356
Area
1.4324823260585E+15
Volume
4.0784741008589E+22
Surface area
5.7299293042339E+15
Circumference
134168192.2356
Perimeter
85414124
Area
455973286167961
Diagonal
30198453.144754
Surface area
2735839717007766
Volume
9.7366397013594E+21
Space diagonal
36985400.612997
Perimeter
64060593
Area
1.9744222463426E+14
Altitude
18492700.306499
Surface area
1.9744222463426E+14
Volume
1.1474739931336E+21
Height
10066151.048251