20492081 is an odd 8-digits composite number following 20492080
and preceding 20492082 . In scientific notation, it is written as 2.0492081 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20444964 positive integers (up to 20492081) that are relatively prime to 20492081.
20492081 has 4 divisors, whose sum is 20539200
The reverse of 20492081 is 18029402
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred ninety-two thousand eighty-one
Scientific notation
2.0492081 × 10^7
Engineering notation
2.0492081 × 10^6
Prime Factorization
439 × 46679
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20492081
Product of the distinct prime numbers
The prime factorization of 20492081 is 439 × 46679.
Since it has a total of 2 prime factors.
1 , 1 , 10 , 47 , 691 , 487 , 8048 , 7112 , 47454 , 62887 , 487162 , 840912 , 1172130 , 4101686 , 19958078 , 86496342 , 930156149 , 701139547 , 8009934358 , 4864770250
n×2
40984162
n×3
61476243
n×4
81968324
n×5
102460405
n÷2
10246040.5
n÷3
6830693.6666667
n÷3
5123020.25
n÷5
4098416.2
n2
419925383710561
n3
8.6051449769529E+21
n4
1.7633732788446E+29
n5
3.613518806332E+36
2 √n
4526.8179773435
3 √n
273.64993833988
4 √n
67.281631797568
5 √n
28.994606077496
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
-20492080
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 20492081 can be divided by 4 positive divisors.
The sum of these divisors (counting 20492081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001010111100110001
3
Ternary
1102120002211222
4
Quaternary
1032022330301
5
Quinary
20221221311
6
Senary
2011114425
8
Octal
116127461
10
Decimal
20492081
12
Duodecimal
6a42a15
16
Hexadecimal
138af31
20
Vigesimal
681a41
36
Base36
c77sh
md5
616c945b92b902af1f6db4b08becdc1d
sha1
e77570aacface755ccc2697c2b1ae7ed6de27a93
sha256
0512bcfc7fd959ad2734639219ca7c83819333ea575214adfa0eadf5d7dc1ee2
sha512
5594d82849c4eb8129d58ff36cd4010084f0f05189c0cd826e05eff63660e6f7027a73d6e73a8985cea037c003353e65d6dcfb25bb3e7e0db64c67ded95c0cdd
ripemd-160
5b0418dfb338f90849d5989570ac90123bcb8c35
Diameter
40984162
Circumference
128755542.25273
Area
1.319234500521E+15
Volume
3.6045146990227E+22
Surface area
5.2769380020839E+15
Circumference
128755542.25273
Perimeter
81968324
Area
419925383710561
Diagonal
28980178.871448
Surface area
2519552302263366
Volume
8.6051449769529E+21
Space diagonal
35493325.444817
Perimeter
61476243
Area
1.8183302499364E+14
Altitude
17746662.722408
Surface area
1.8183302499364E+14
Volume
1.0141260610495E+21
Height
9660059.623816