20538993 is an odd 8-digits composite number following 20538992
and preceding 20538994 . In scientific notation, it is written as 2.0538993 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 13246464 positive integers (up to 20538993) that are relatively prime to 20538993.
20538993 has 16 divisors, whose sum is 28290240
The reverse of 20538993 is 39983502
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million five hundred thirty-eight thousand nine hundred ninety-three
Scientific notation
2.0538993 × 10^7
Engineering notation
2.0538993 × 10^6
Prime Factorization
3 × 113 × 43 × 1409
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20538993
Product of the distinct prime numbers
The prime factorization of 20538993 is 3 × 113 × 43 × 1409.
Since it has a total of 4 prime factors.
10 , 1 , 51 , 31 , 323 , 660 , 896 , 5887 , 17802 , 93230 , 528795 , 735071 , 8116518 , 6133382 , 30416441 , 48114201 , 259862721 , 560093609 , 2227444557 , 2191303133
n×2
41077986
n×3
61616979
n×4
82155972
n×5
102694965
n÷2
10269496.5
n÷3
6846331
n÷3
5134748.25
n÷5
4107798.6
n2
421850233454049
n3
8.6643789919611E+21
n4
1.7795761946524E+29
n5
3.6550703004931E+36
2 √n
4531.9965798751
3 √n
273.85859914217
4 √n
67.320105316875
5 √n
29.007869260718
1 , 3 , 43 , 113 , 129 , 339 , 1409 , 4227 , 4859 , 14577 , 60587 , 159217 , 181761 , 477651 , 6846331 , 20538993
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
-20538992
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 20538993 can be divided by 16 positive divisors.
The sum of these divisors (counting 20538993) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110010110011001110001
3
Ternary
1102122111012110
4
Quaternary
1032112121301
5
Quinary
20224221433
6
Senary
2012115533
8
Octal
116263161
10
Decimal
20538993
12
Duodecimal
6a65ba9
16
Hexadecimal
1396671
20
Vigesimal
68779d
36
Base36
c87zl
md5
1efd396f3620c0c0013b9df737f5a4f6
sha1
ac2bdfa050684df8ee6507d27aa8cbeeff5e0ed6
sha256
0c52deeb900d02d74e28ad901453d240d87659258958f23ba03fa88d4fc3bf5a
sha512
ee75326f2f76925af8a4c57c5053c1995b2d608fc7211134767330cd5c3d23216abb79d9b3cbea0b7e5eccb24e58438b5fc923b57d405d60cb5335dc6d7e474d
ripemd-160
35abcf44ca6b21bf201db991484bc8efd8a37811
Diameter
41077986
Circumference
129050299.04186
Area
1.3252815943344E+15
Volume
3.6293265852084E+22
Surface area
5.3011263773375E+15
Circumference
129050299.04186
Perimeter
82155972
Area
421850233454049
Diagonal
29046522.458086
Surface area
2531101400724294
Volume
8.6643789919611E+21
Space diagonal
35574579.412302
Perimeter
61616979
Area
1.826665093818E+14
Altitude
17787289.706151
Surface area
1.826665093818E+14
Volume
1.0211068566643E+21
Height
9682174.1526954