20538646 is an even 8-digits composite number following 20538645
and preceding 20538647 . In scientific notation, it is written as 2.0538646 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10269322 positive integers (up to 20538646) that are relatively prime to 20538646.
20538646 has 4 divisors, whose sum is 30807972
The reverse of 20538646 is 64683502
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million five hundred thirty-eight thousand six hundred forty-six
Scientific notation
2.0538646 × 10^7
Engineering notation
2.0538646 × 10^6
Prime Factorization
2 × 10269323
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20538646
Product of the distinct prime numbers
The prime factorization of 20538646 is 2 × 10269323.
Since it has a total of 2 prime factors.
6 , 2 , 58 , 59 , 66 , 301 , 4392 , 4057 , 92121 , 70415 , 528844 , 314005 , 36257 , 8140610 , 32483527 , 48478979 , 918627147 , 352532626 , 4093433183 , 3909635784
n×2
41077292
n×3
61615938
n×4
82154584
n×5
102693230
n÷2
10269323
n÷3
6846215.3333333
n÷3
5134661.5
n÷5
4107729.2
n2
421835979513316
n3
8.6639398532872E+21
n4
1.7794559361196E+29
n5
3.6547615544559E+36
2 √n
4531.9582963659
3 √n
273.85705688108
4 √n
67.31982097693
5 √n
29.007771244241
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20538645
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20538646 can be divided by 4 positive divisors.
The sum of these divisors (counting 20538646) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010110010100010110
3
Ternary
1102122110201121
4
Quaternary
1032112110112
5
Quinary
20224214041
6
Senary
2012114154
8
Octal
116262426
10
Decimal
20538646
12
Duodecimal
6a6595a
16
Hexadecimal
1396516
20
Vigesimal
6876c6
36
Base36
c87py
md5
c06624b6145ae4c86b3cd5f41594b6a0
sha1
cd18ebfdfe2dd848edbfc958b64f67ed7d0b63d0
sha256
1cf357a5515cf565802061506257f6fc8ed03a4e3a691475daf62912a88b849d
sha512
72e76478f558b844370cdc28c3c3aca39d97a437e0d8f3e7e8d0bbc797cce8f5c6fa3940d3dcebccd68aa07276bc8acc3a35ebc6ea1ba4004136407fc59b7565
ripemd-160
083ab1bd86394504c6b3980be16ac69caad34d5a
Diameter
41077292
Circumference
129048118.77656
Area
1.3252368142589E+15
Volume
3.6291426392308E+22
Surface area
5.3009472570356E+15
Circumference
129048118.77656
Perimeter
82154584
Area
421835979513316
Diagonal
29046031.72598
Surface area
2531015877079896
Volume
8.6639398532872E+21
Space diagonal
35573978.390671
Perimeter
61615938
Area
1.8266033724441E+14
Altitude
17786989.195336
Surface area
1.8266033724441E+14
Volume
1.0210551036753E+21
Height
9682010.5753266