21038045 is an odd 8-digits composite number following 21038044
and preceding 21038046 . In scientific notation, it is written as 2.1038045 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 14388864 positive integers (up to 21038045) that are relatively prime to 21038045.
21038045 has 16 divisors, whose sum is 28926720
The reverse of 21038045 is 54083012
Previous prime number is 743
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million thirty-eight thousand forty-five
Scientific notation
2.1038045 × 10^7
Engineering notation
2.1038045 × 10^6
Prime Factorization
5 × 7 × 743 × 809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21038045
Product of the distinct prime numbers
The prime factorization of 21038045 is 5 × 7 × 743 × 809.
Since it has a total of 4 prime factors.
2 , 2 , 30 , 47 , 347 , 831 , 6404 , 3870 , 27447 , 88192 , 253942 , 228819 , 2509849 , 9167022 , 82491056 , 752939 , 619539839 , 803862130 , 7911224835 , 2999647190
n×2
42076090
n×3
63114135
n×4
84152180
n×5
105190225
n÷2
10519022.5
n÷3
7012681.6666667
n÷3
5259511.25
n÷5
4207609
n2
442599337422025
n3
9.3114247776547E+21
n4
1.9589417348642E+29
n5
4.121230437045E+36
2 √n
4586.7248663943
3 √n
276.05892549185
4 √n
67.725363538296
5 √n
29.147484226188
1 , 5 , 7 , 35 , 743 , 809 , 3715 , 4045 , 5201 , 5663 , 26005 , 28315 , 601087 , 3005435 , 4207609 , 21038045
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
-21038044
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 21038045 can be divided by 16 positive divisors.
The sum of these divisors (counting 21038045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010000001111011101
3
Ternary
1110120211202212
4
Quaternary
1100100033131
5
Quinary
20341204140
6
Senary
2030530205
8
Octal
120201735
10
Decimal
21038045
12
Duodecimal
7066965
16
Hexadecimal
14103dd
20
Vigesimal
6b9f25
36
Base36
cix25
md5
fb4f2e279814ffe7f199621252a57b6a
sha1
df450eb313cc4fa3630c1a0003653fe1b87b3fa2
sha256
deafed91f4f591d05a62e7990eb188bf7fd5e1a64bdddf117bce1a9178d997dd
sha512
63445db1c0928a4fd239de6a18ff400ae00b5d3159a85082a13d1cb344ef0bfc2c8760b7f2d47b801d1da011ed46703d1177eb52ea6c499ff904df216c32f9c7
ripemd-160
8ca4bd3bc78dd8581e455a8c8f7757b9bb6cb479
Diameter
42076090
Circumference
132185935.23578
Area
1.3904668269287E+15
Volume
3.9003604901245E+22
Surface area
5.561867307715E+15
Circumference
132185935.23578
Perimeter
84152180
Area
442599337422025
Diagonal
29752288.564815
Surface area
2655596024532150
Volume
9.3114247776547E+21
Space diagonal
36438962.83192
Perimeter
63114135
Area
1.9165113495282E+14
Altitude
18219481.41596
Surface area
1.9165113495282E+14
Volume
1.097361933798E+21
Height
9917429.5216052