21038081 is an odd 8-digits composite number following 21038080
and preceding 21038082 . In scientific notation, it is written as 2.1038081 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 20623680 positive integers (up to 21038081) that are relatively prime to 21038081.
21038081 has 8 divisors, whose sum is 21456000
The reverse of 21038081 is 18083012
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million thirty-eight thousand eighty-one
Scientific notation
2.1038081 × 10^7
Engineering notation
2.1038081 × 10^6
Prime Factorization
71 × 199 × 1489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21038081
Product of the distinct prime numbers
The prime factorization of 21038081 is 71 × 199 × 1489.
Since it has a total of 3 prime factors.
7 , 1 , 21 , 43 , 854 , 818 , 6834 , 6711 , 9276 , 59133 , 453022 , 414890 , 9008606 , 8005267 , 12353543 , 58329466 , 544486037 , 597622669 , 5311145197 , 9476589401
n×2
42076162
n×3
63114243
n×4
84152324
n×5
105190405
n÷2
10519040.5
n÷3
7012693.6666667
n÷3
5259520.25
n÷5
4207616.2
n2
442600852162561
n3
9.311472578465E+21
n4
1.9589551433503E+29
n5
4.1212656981169E+36
2 √n
4586.7287907615
3 √n
276.05908295445
4 √n
67.725392510944
5 √n
29.147494201533
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
-21038080
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 21038081 can be divided by 8 positive divisors.
The sum of these divisors (counting 21038081) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010000010000000001
3
Ternary
1110120211211012
4
Quaternary
1100100100001
5
Quinary
20341204311
6
Senary
2030530305
8
Octal
120202001
10
Decimal
21038081
12
Duodecimal
7066995
16
Hexadecimal
1410401
20
Vigesimal
6b9f41
36
Base36
cix35
md5
9082a5ae16b5586f7c787b147d8d5dea
sha1
9b260666c62263d819815a1f73bb8bc954e85191
sha256
c57d9589401185508e80f82a36ce50828e9ab727b8c819817c5fc3f99d295890
sha512
e68febfba762cb9c92fdec5b6bd5141a3667bcc6641da05c6851e97327a1c63281d7254bc2c8df3383212bd7f34d1fab3f6b6c4b74ab443b261e84a92d9dacab
ripemd-160
d494c80c2312a8da727827ebfe4be64e1d332caa
Diameter
42076162
Circumference
132186161.43045
Area
1.3904715856265E+15
Volume
3.9003805128811E+22
Surface area
5.5618863425059E+15
Circumference
132186161.43045
Perimeter
84152324
Area
442600852162561
Diagonal
29752339.476504
Surface area
2655605112975366
Volume
9.311472578465E+21
Space diagonal
36439025.185749
Perimeter
63114243
Area
1.9165179085471E+14
Altitude
18219512.592875
Surface area
1.9165179085471E+14
Volume
1.0973675671775E+21
Height
9917446.4921679