20538992 is an even 8-digits composite number following 20538991
and preceding 20538993 . In scientific notation, it is written as 2.0538992 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 9665280 positive integers (up to 20538992) that are relatively prime to 20538992.
20538992 has 20 divisors, whose sum is 42135696
The reverse of 20538992 is 29983502
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million five hundred thirty-eight thousand nine hundred ninety-two
Scientific notation
2.0538992 × 10^7
Engineering notation
2.0538992 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 17 × 75511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2567374
Product of the distinct prime numbers
The prime factorization of 20538992 is 2 × 2 × 2 × 2 × 17 × 75511.
Since it has a total of 6 prime factors.
10 , 4 , 66 , 84 , 126 , 323 , 7531 , 9443 , 6157 , 40898 , 284261 , 974968 , 4835834 , 5379599 , 41321785 , 83185571 , 351910303 , 941335876 , 9135332779 , 3093398558
n×2
41077984
n×3
61616976
n×4
82155968
n×5
102694960
n÷2
10269496
n÷3
6846330.6666667
n÷3
5134748
n÷5
4107798.4
n2
421850192376064
n3
8.6643777264104E+21
n4
1.7795758480772E+29
n5
3.6550694107051E+36
2 √n
4531.9964695485
3 √n
273.85859469764
4 √n
67.320104497457
5 √n
29.007868978251
1 , 2 , 4 , 8 , 16 , 17 , 34 , 68 , 136 , 272 , 75511 , 151022 , 302044 , 604088 , 1208176 , 1283687 , 2567374 , 5134748 , 10269496 , 20538992
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20538991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20538992 can be divided by 20 positive divisors.
The sum of these divisors (counting 20538992) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001110010110011001110000
3
Ternary
1102122111012102
4
Quaternary
1032112121300
5
Quinary
20224221432
6
Senary
2012115532
8
Octal
116263160
10
Decimal
20538992
12
Duodecimal
6a65ba8
16
Hexadecimal
1396670
20
Vigesimal
68779c
36
Base36
c87zk
md5
104998c3d4c0246d322bbf2beed3c198
sha1
425842667e0d8439148901cb7e8898af990c2cfd
sha256
362df9e2c9b64b989c1247c878462b8c49d40fb090b96dce3c537cae31b76753
sha512
923d0ffcddb5a94798f23417d205048fb70658125c4f08c2582c449a798c71ab9dcc8c57a44ed2d9582129935feb7ebad8e5e97fe843b77bd12d04f146b07f32
ripemd-160
cfa6079da258e01f9a72273ef8e09db9e1f7b8a1
Diameter
41077984
Circumference
129050292.75868
Area
1.3252814652841E+15
Volume
3.6293260550957E+22
Surface area
5.3011258611363E+15
Circumference
129050292.75868
Perimeter
82155968
Area
421850192376064
Diagonal
29046521.043873
Surface area
2531101154256384
Volume
8.6643777264104E+21
Space diagonal
35574577.680251
Perimeter
61616976
Area
1.8266649159451E+14
Altitude
17787288.840125
Surface area
1.8266649159451E+14
Volume
1.0211067075178E+21
Height
9682173.6812908