20509738 is an even 8-digits composite number following 20509737
and preceding 20509739 . In scientific notation, it is written as 2.0509738 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 10173996 positive integers (up to 20509738) that are relatively prime to 20509738.
20509738 has 8 divisors, whose sum is 31007232
The reverse of 20509738 is 83790502
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million five hundred nine thousand seven hundred thirty-eight
Scientific notation
2.0509738 × 10^7
Engineering notation
2.0509738 × 10^6
Prime Factorization
2 × 127 × 80747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20509738
Product of the distinct prime numbers
The prime factorization of 20509738 is 2 × 127 × 80747.
Since it has a total of 3 prime factors.
6 , 2 , 85 , 72 , 563 , 624 , 3903 , 9707 , 75580 , 45297 , 28032 , 657407 , 5349649 , 209483 , 51432028 , 4093244 , 284923063 , 597783788 , 4852383605 , 2276929318
n×2
41019476
n×3
61529214
n×4
82038952
n×5
102548690
n÷2
10254869
n÷3
6836579.3333333
n÷3
5127434.5
n÷5
4101947.6
n2
420649352828644
n3
8.627408016385E+21
n4
1.7694587803516E+29
n5
3.629113598681E+36
2 √n
4528.7678235918
3 √n
273.7285125924
4 √n
67.296120420064
5 √n
28.999600996258
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20509737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20509738 can be divided by 8 positive divisors.
The sum of these divisors (counting 20509738) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111010000101010
3
Ternary
1102121000001221
4
Quaternary
1032033100222
5
Quinary
20222302423
6
Senary
2011332254
8
Octal
116172052
10
Decimal
20509738
12
Duodecimal
6a5108a
16
Hexadecimal
138f42a
20
Vigesimal
683e6i
36
Base36
c7ley
md5
b98405ff20603e53b657fe48a1154d30
sha1
e9554643b52fecca6d65bcfe5f37ca5896e237be
sha256
ec2ef909123f641c535da99ba8ce8164f039a73030e6480e9a5b48e5c1f754bc
sha512
5c02019a04f754edfe53f7577029b2aa1554cdda3642699f3cc3d6fd9d09342d5252914addb14604197f48ef4bc4a7e0c91555ef2d4f6a29581b12a89dd0edd5
ripemd-160
43fc9a6d2976e779d1481eaadc5d1436e3c90043
Diameter
41019476
Circumference
128866484.4557
Area
1.3215089165838E+15
Volume
3.6138402191729E+22
Surface area
5.2860356663351E+15
Circumference
128866484.4557
Perimeter
82038952
Area
420649352828644
Diagonal
29005149.640319
Surface area
2523896116971864
Volume
8.627408016385E+21
Space diagonal
35523908.265926
Perimeter
61529214
Area
1.8214651281754E+14
Altitude
17761954.132963
Surface area
1.8214651281754E+14
Volume
1.0167497854082E+21
Height
9668383.2134396