21438086 is an even 8-digits composite number following 21438085
and preceding 21438087 . In scientific notation, it is written as 2.1438086 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 10653120 positive integers (up to 21438086) that are relatively prime to 21438086.
21438086 has 8 divisors, whose sum is 32354904
The reverse of 21438086 is 68083412
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred thirty-eight thousand eighty-six
Scientific notation
2.1438086 × 10^7
Engineering notation
2.1438086 × 10^6
Prime Factorization
2 × 163 × 65761
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21438086
Product of the distinct prime numbers
The prime factorization of 21438086 is 2 × 163 × 65761.
Since it has a total of 3 prime factors.
10 , 4 , 31 , 67 , 282 , 804 , 7881 , 4770 , 27951 , 54975 , 445072 , 723777 , 3821404 , 2973705 , 48235583 , 8759333 , 811577577 , 295269 , 9301442504 , 232531799
n×2
42876172
n×3
64314258
n×4
85752344
n×5
107190430
n÷2
10719043
n÷3
7146028.6666667
n÷3
5359521.5
n÷5
4287617.2
n2
459591531343396
n3
9.8527627738114E+21
n4
2.1122437568257E+29
n5
4.5282463311792E+36
2 √n
4630.1280759823
3 √n
277.79771527414
4 √n
68.045044463079
5 √n
29.257499195184
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21438085
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21438086 can be divided by 8 positive divisors.
The sum of these divisors (counting 21438086) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110001111010000110
3
Ternary
1111100011112012
4
Quaternary
1101301322012
5
Quinary
20442004321
6
Senary
2043254222
8
Octal
121617206
10
Decimal
21438086
12
Duodecimal
721a372
16
Hexadecimal
1471e86
20
Vigesimal
6djf46
36
Base36
crhqe
md5
7c95c8c4a784ba3381e7b48fba9b9443
sha1
0f9a0b6787c2932e7495aea8ea5b9dcf42627da2
sha256
f41065c92a3463e1f232c14d21518411d732e692b413a3ca127673c0683edbaa
sha512
1e846b47a0409e9290b60dbc15587f8508ac4c2c3e536f08c4bbd331bd98e038dae6da94d2cb3913f74dac8a5345ac4c38d5d9b3a8df85d88d9e4fc65453583d
ripemd-160
99a065c8f03ddc73b59bae0e7002e1d6bdec07bb
Diameter
42876172
Circumference
134699466.96925
Area
1.4438493785205E+15
Volume
4.1271156197025E+22
Surface area
5.775397514082E+15
Circumference
134699466.96925
Perimeter
85752344
Area
459591531343396
Diagonal
30318031.972521
Surface area
2757549188060376
Volume
9.8527627738114E+21
Space diagonal
37131854.169031
Perimeter
64314258
Area
1.9900897075379E+14
Altitude
18565927.084516
Surface area
1.9900897075379E+14
Volume
1.1611592284641E+21
Height
10106010.657507