21051432 is an even 8-digits composite number following 21051431
and preceding 21051433 . In scientific notation, it is written as 2.1051432 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors.
There are 7017120 positive integers (up to 21051432) that are relatively prime to 21051432.
21051432 has 16 divisors, whose sum is 43857300
The reverse of 21051432 is 23415012
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million fifty-one thousand four hundred thirty-two
Scientific notation
2.1051432 × 10^7
Engineering notation
2.1051432 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 292381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5262858
Product of the distinct prime numbers
The prime factorization of 21051432 is 2 × 2 × 2 × 9 × 292381.
Since it has a total of 5 prime factors.
4 , 2 , 91 , 3 , 746 , 309 , 7239 , 8635 , 5635 , 80390 , 515054 , 653806 , 21645 , 4351074 , 52874843 , 16095956 , 294762523 , 637175956 , 397399837 , 5313359887
n×2
42102864
n×3
63154296
n×4
84205728
n×5
105257160
n÷2
10525716
n÷3
7017144
n÷3
5262858
n÷5
4210286.4
n2
443162789250624
n3
9.3292113228398E+21
n4
1.9639325777639E+29
n5
4.1343593113382E+36
2 √n
4588.1839544639
3 √n
276.11746732637
4 √n
67.736134776528
5 √n
29.151192727549
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 292381 , 584762 , 1169524 , 2339048 , 2631429 , 5262858 , 10525716 , 21051432
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
-21051431
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 21051432 can be divided by 16 positive divisors.
The sum of these divisors (counting 21051432) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010011100000101000
3
Ternary
1110121112010200
4
Quaternary
1100103200220
5
Quinary
20342121212
6
Senary
2031112200
8
Octal
120234050
10
Decimal
21051432
12
Duodecimal
7072660
16
Hexadecimal
1413828
20
Vigesimal
6bb8bc
36
Base36
cj7e0
md5
4fb508d84f2bdf58ee7d384aad0688af
sha1
d600c60e8fcc5a45acbdd79f256038e0f878d963
sha256
f1e71cd3c0c5a3f9e8b38415b4de9d94833c66ad3cea23fcf0e4beebbde26cf6
sha512
fd940aab928a9762f0707ef823e05f175565784d45afa983342c88f19ee2b600e23c869cf8fcf59b829c01eb02db6affd5f6ecd7b04596b47a41278438021999
ripemd-160
f8cf245f7f41066a97ca516492688c7fe60b2b1e
Diameter
42102864
Circumference
132270048.23749
Area
1.3922369630541E+15
Volume
3.9078109007494E+22
Surface area
5.5689478522165E+15
Circumference
132270048.23749
Perimeter
84205728
Area
443162789250624
Diagonal
29771220.641775
Surface area
2658976735503744
Volume
9.3292113228398E+21
Space diagonal
36462149.796081
Perimeter
63154296
Area
1.918951167515E+14
Altitude
18231074.898041
Surface area
1.918951167515E+14
Volume
1.0994580982504E+21
Height
9923740.213925