21038042 is an even 8-digits composite number following 21038041
and preceding 21038043 . In scientific notation, it is written as 2.1038042 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 10519020 positive integers (up to 21038042) that are relatively prime to 21038042.
21038042 has 4 divisors, whose sum is 31557066
The reverse of 21038042 is 24083012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million thirty-eight thousand forty-two
Scientific notation
2.1038042 × 10^7
Engineering notation
2.1038042 × 10^6
Prime Factorization
2 × 10519021
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21038042
Product of the distinct prime numbers
The prime factorization of 21038042 is 2 × 10519021.
Since it has a total of 2 prime factors.
3 , 4 , 61 , 88 , 567 , 656 , 6380 , 3610 , 75786 , 6907 , 510657 , 663703 , 8618061 , 676117 , 32682578 , 51837235 , 379804223 , 636486449 , 3676430900 , 682822459
n×2
42076084
n×3
63114126
n×4
84152168
n×5
105190210
n÷2
10519021
n÷3
7012680.6666667
n÷3
5259510.5
n÷5
4207608.4
n2
442599211193764
n3
9.3114207942613E+21
n4
1.9589406174934E+29
n5
4.1212274986333E+36
2 √n
4586.7245393636
3 √n
276.05891236996
4 √n
67.725361123907
5 √n
29.147483394909
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21038041
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21038042 can be divided by 4 positive divisors.
The sum of these divisors (counting 21038042) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010000001111011010
3
Ternary
1110120211202202
4
Quaternary
1100100033122
5
Quinary
20341204132
6
Senary
2030530202
8
Octal
120201732
10
Decimal
21038042
12
Duodecimal
7066962
16
Hexadecimal
14103da
20
Vigesimal
6b9f22
36
Base36
cix22
md5
0983d86b0fcc81b277e26b9c11165528
sha1
7ff9ed686ef0399bd9866fa001aea8558b098587
sha256
c67ee5de9a72673e7df326961c56ea7e8648e7368041bd063d454096e40040b1
sha512
0c97d73f41ce588d00665566e7e60e9e58dc0c4ceedd40e2be7bc47a9dd5f0387d44136231cff8c21766766098ef6617cc1c9a2df2ff76f91fc624dfd4f2fd8c
ripemd-160
116abf2361331047e32da5c0b4e99b454e2b8134
Diameter
42076084
Circumference
132185916.38623
Area
1.390466430371E+15
Volume
3.9003588215646E+22
Surface area
5.5618657214839E+15
Circumference
132185916.38623
Perimeter
84152168
Area
442599211193764
Diagonal
29752284.322175
Surface area
2655595267162584
Volume
9.3114207942613E+21
Space diagonal
36438957.635768
Perimeter
63114126
Area
1.9165108029438E+14
Altitude
18219478.817884
Surface area
1.9165108029438E+14
Volume
1.0973614643506E+21
Height
9917428.1073916