21038072 is an even 8-digits composite number following 21038071
and preceding 21038073 . In scientific notation, it is written as 2.1038072 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 9562720 positive integers (up to 21038072) that are relatively prime to 21038072.
21038072 has 16 divisors, whose sum is 43032600
The reverse of 21038072 is 27083012
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million thirty-eight thousand seventy-two
Scientific notation
2.1038072 × 10^7
Engineering notation
2.1038072 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 239069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5259518
Product of the distinct prime numbers
The prime factorization of 21038072 is 2 × 2 × 2 × 11 × 239069.
Since it has a total of 5 prime factors.
9 , 2 , 77 , 76 , 114 , 680 , 9243 , 6229 , 53705 , 43710 , 468038 , 869505 , 3585607 , 1975486 , 6245598 , 20707587 , 9933056 , 366432574 , 8892219892 , 1510703602
n×2
42076144
n×3
63114216
n×4
84152288
n×5
105190360
n÷2
10519036
n÷3
7012690.6666667
n÷3
5259518
n÷5
4207614.4
n2
442600473477184
n3
9.3114606282471E+21
n4
1.9589517912223E+29
n5
4.1212568828263E+36
2 √n
4586.72780967
3 √n
276.05904358882
4 √n
67.725385267786
5 √n
29.147491707698
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 239069 , 478138 , 956276 , 1912552 , 2629759 , 5259518 , 10519036 , 21038072
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
-21038071
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 21038072 can be divided by 16 positive divisors.
The sum of these divisors (counting 21038072) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010000001111111000
3
Ternary
1110120211210212
4
Quaternary
1100100033320
5
Quinary
20341204242
6
Senary
2030530252
8
Octal
120201770
10
Decimal
21038072
12
Duodecimal
7066988
16
Hexadecimal
14103f8
20
Vigesimal
6b9f3c
36
Base36
cix2w
md5
3c0b0aa328e191172a3081d0a92d054a
sha1
cda7ec708e4619a680a91085f5757a894920a49c
sha256
8e6bdad126b7f3e43fc69f58894e418d6d6626c24b3d8536b5eb78fb4285e524
sha512
c76f5efe89c895cd23e9996ea5af110cb198c1fb3d7b0c92a37b0593b9d969cafed666b7a1e1d0bf66a5dc7e82f6eb19dd627bfa6f8747fab842699fbb100d59
ripemd-160
4f92a7d5c7ed0e2bea4b6fbade942160d5970370
Diameter
42076144
Circumference
132186104.88179
Area
1.3904703959513E+15
Volume
3.9003755071856E+22
Surface area
5.5618815838051E+15
Circumference
132186104.88179
Perimeter
84152288
Area
442600473477184
Diagonal
29752326.748582
Surface area
2655602840863104
Volume
9.3114606282471E+21
Space diagonal
36439009.597292
Perimeter
63114216
Area
1.9165162687913E+14
Altitude
18219504.798646
Surface area
1.9165162687913E+14
Volume
1.0973661588308E+21
Height
9917442.2495272