20478971 is an odd 8-digits composite number following 20478970
and preceding 20478972 . In scientific notation, it is written as 2.0478971 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20419944 positive integers (up to 20478971) that are relatively prime to 20478971.
20478971 has 4 divisors, whose sum is 20538000
The reverse of 20478971 is 17987402
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million four hundred seventy-eight thousand nine hundred seventy-one
Scientific notation
2.0478971 × 10^7
Engineering notation
2.0478971 × 10^6
Prime Factorization
349 × 58679
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20478971
Product of the distinct prime numbers
The prime factorization of 20478971 is 349 × 58679.
Since it has a total of 2 prime factors.
10 , 10 , 77 , 17 , 255 , 555 , 7170 , 1383 , 16125 , 38047 , 502614 , 669613 , 9011006 , 3544666 , 15063221 , 90751554 , 781001246 , 137263017 , 9109200830 , 9954704670
n×2
40957942
n×3
61436913
n×4
81915884
n×5
102394855
n÷2
10239485.5
n÷3
6826323.6666667
n÷3
5119742.75
n÷5
4095794.2
n2
419388253218841
n3
8.5886398754093E+21
n4
1.7588650693795E+29
n5
3.6019746748736E+36
2 √n
4525.3697086536
3 √n
273.59156919036
4 √n
67.270868202021
5 √n
28.990895213802
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
-20478970
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 20478971 can be divided by 4 positive divisors.
The sum of these divisors (counting 20478971) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000111101111111011
3
Ternary
1102112102212102
4
Quaternary
1032013233323
5
Quinary
20220311341
6
Senary
2010534015
8
Octal
116075773
10
Decimal
20478971
12
Duodecimal
6a3730b
16
Hexadecimal
1387bfb
20
Vigesimal
67jh8b
36
Base36
c6xob
md5
a95c7e48f6b5b4167e46f52a9a41259f
sha1
2aa35766c44771a90fd34a5d392fbbd72e36fb88
sha256
8153dd66c9d787bd951ae42cf1c514368eb955198f9fe750451cbc88bab6927e
sha512
6aab3172154164ceecbd71dd65977af08975b9882f16e7fd8002c53b94d4f55f41b0ee4f18a7ff3e3790c6a0b6d198a1719b48278461fb3a86cfdef836deeb51
ripemd-160
3892c3e949a2cac7066e77155164fb02d726504f
Diameter
40957942
Circumference
128673169.69336
Area
1.3175470553142E+15
Volume
3.5976010582552E+22
Surface area
5.2701882212567E+15
Circumference
128673169.69336
Perimeter
81915884
Area
419388253218841
Diagonal
28961638.531645
Surface area
2516329519313046
Volume
8.5886398754093E+21
Space diagonal
35470618.25873
Perimeter
61436913
Area
1.8160044066815E+14
Altitude
17735309.129365
Surface area
1.8160044066815E+14
Volume
1.0121809161785E+21
Height
9653879.5105484