20538994 is an even 8-digits composite number following 20538993
and preceding 20538995 . In scientific notation, it is written as 2.0538994 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 8755200 positive integers (up to 20538994) that are relatively prime to 20538994.
20538994 has 16 divisors, whose sum is 35398656
The reverse of 20538994 is 49983502
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million five hundred thirty-eight thousand nine hundred ninety-four
Scientific notation
2.0538994 × 10^7
Engineering notation
2.0538994 × 10^6
Prime Factorization
2 × 7 × 191 × 7681
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20538994
Product of the distinct prime numbers
The prime factorization of 20538994 is 2 × 7 × 191 × 7681.
Since it has a total of 4 prime factors.
8 , 1 , 6 , 6 , 386 , 609 , 1197 , 8957 , 87996 , 61753 , 910045 , 371160 , 2321576 , 7574549 , 13012655 , 42814334 , 275807701 , 55098601 , 4821666036 , 9759935294
n×2
41077988
n×3
61616982
n×4
82155976
n×5
102694970
n÷2
10269497
n÷3
6846331.3333333
n÷3
5134748.5
n÷5
4107798.8
n2
421850274532036
n3
8.6643802575118E+21
n4
1.7795765412275E+29
n5
3.6550711902813E+36
2 √n
4531.9966902018
3 √n
273.8586035867
4 √n
67.320106136293
5 √n
29.007869543184
1 , 2 , 7 , 14 , 191 , 382 , 1337 , 2674 , 7681 , 15362 , 53767 , 107534 , 1467071 , 2934142 , 10269497 , 20538994
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
-20538993
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 20538994 can be divided by 16 positive divisors.
The sum of these divisors (counting 20538994) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110010110011001110010
3
Ternary
1102122111012111
4
Quaternary
1032112121302
5
Quinary
20224221434
6
Senary
2012115534
8
Octal
116263162
10
Decimal
20538994
12
Duodecimal
6a65baa
16
Hexadecimal
1396672
20
Vigesimal
68779e
36
Base36
c87zm
md5
e79a7588bc5415d22f7e4d98c0725410
sha1
fd0d76719610c3dc43058c583001437cb6fb25c4
sha256
82e00ce499b40a829136bfdd16e962abd0665189de087fac1a496b4c8eb67b30
sha512
36d551d1118b6b6a54aac810ddfe61bfaa6139ae85006473123d76f6181dd6ddb193661ec99ceeb85e747b9ba8c9909939ac7a6a826132588effef2a0a765835
ripemd-160
35fc220d290ae0d343c8cf4055f90f04efd8e26f
Diameter
41077988
Circumference
129050305.32505
Area
1.3252817233847E+15
Volume
3.629327115321E+22
Surface area
5.3011268935387E+15
Circumference
129050305.32505
Perimeter
82155976
Area
421850274532036
Diagonal
29046523.8723
Surface area
2531101647192216
Volume
8.6643802575118E+21
Space diagonal
35574581.144352
Perimeter
61616982
Area
1.8266652716909E+14
Altitude
17787290.572176
Surface area
1.8266652716909E+14
Volume
1.0211070058109E+21
Height
9682174.6240999