20489782 is an even 8-digits composite number following 20489781
and preceding 20489783 . In scientific notation, it is written as 2.0489782 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 10244890 positive integers (up to 20489782) that are relatively prime to 20489782.
20489782 has 4 divisors, whose sum is 30734676
The reverse of 20489782 is 28798402
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million four hundred eighty-nine thousand seven hundred eighty-two
Scientific notation
2.0489782 × 10^7
Engineering notation
2.0489782 × 10^6
Prime Factorization
2 × 10244891
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20489782
Product of the distinct prime numbers
The prime factorization of 20489782 is 2 × 10244891.
Since it has a total of 2 prime factors.
4 , 10 , 17 , 27 , 705 , 797 , 2070 , 8605 , 4278 , 8397 , 605275 , 507401 , 1452841 , 4525887 , 21053031 , 38240957 , 344957253 , 354343113 , 6448952251 , 3781885280
n×2
40979564
n×3
61469346
n×4
81959128
n×5
102448910
n÷2
10244891
n÷3
6829927.3333333
n÷3
5122445.5
n÷5
4097956.4
n2
419831166407524
n3
8.6022490764959E+21
n4
1.762582082871E+29
n5
3.6114922635133E+36
2 √n
4526.5640390919
3 √n
273.63970439087
4 √n
67.279744641994
5 √n
28.993955469186
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
-20489781
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 20489782 can be divided by 4 positive divisors.
The sum of these divisors (counting 20489782) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001010011000110110
3
Ternary
1102112222200211
4
Quaternary
1032022120312
5
Quinary
20221133112
6
Senary
2011100034
8
Octal
116123066
10
Decimal
20489782
12
Duodecimal
6a4161a
16
Hexadecimal
138a636
20
Vigesimal
681492
36
Base36
c760m
md5
0f830b6885f3934858a556407109afc9
sha1
30a0def0599681b39420742bba7ed2fd0a04fc62
sha256
f65c8460188873fd14c7f689223896b769a522f3f6ba86a30147839c171233e9
sha512
bf4b659bf30b68d666134371c8ef26c0816fb1e41af561c3870ca6c8a75e02913fb51a1154f74f046f13e90761030e27cf94207815297a2cc9a832fbcab079e6
ripemd-160
4ca26b060eb6b5bb30075582676230467d618f6c
Diameter
40979564
Circumference
128741097.20971
Area
1.3189385081339E+15
Volume
3.6033016670759E+22
Surface area
5.2757540325356E+15
Circumference
128741097.20971
Perimeter
81959128
Area
419831166407524
Diagonal
28976927.594468
Surface area
2518986998445144
Volume
8.6022490764959E+21
Space diagonal
35489343.46001
Perimeter
61469346
Area
1.8179222770468E+14
Altitude
17744671.730005
Surface area
1.8179222770468E+14
Volume
1.0137847759077E+21
Height
9658975.8648227