20785420 is an even 8-digits composite number following 20785419
and preceding 20785421 . In scientific notation, it is written as 2.0785420 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 8283456 positive integers (up to 20785420) that are relatively prime to 20785420.
20785420 has 24 divisors, whose sum is 43810704
The reverse of 20785420 is 02458702
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seven hundred eighty-five thousand four hundred twenty
Scientific notation
2.0785420 × 10^7
Engineering notation
2.0785420 × 10^6
Prime Factorization
2 × 2 × 5 × 293 × 3547
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10392710
Product of the distinct prime numbers
The prime factorization of 20785420 is 2 × 2 × 5 × 293 × 3547.
Since it has a total of 5 prime factors.
6 , 5 , 50 , 9 , 29 , 972 , 4023 , 8795 , 75110 , 57116 , 860743 , 806731 , 8128502 , 1147597 , 75139589 , 25014043 , 513011421 , 242243682 , 9594338772 , 6219237954
n×2
41570840
n×3
62356260
n×4
83141680
n×5
103927100
n÷2
10392710
n÷3
6928473.3333333
n÷3
5196355
n÷5
4157084
n2
432033684576400
n3
8.980001588068E+21
n4
1.8665310460866E+29
n5
3.8796631735949E+36
2 √n
4559.1029819472
3 √n
274.94950036894
4 √n
67.521129892406
5 √n
29.077144914655
1 , 2 , 4 , 5 , 10 , 20 , 293 , 586 , 1172 , 1465 , 2930 , 3547 , 5860 , 7094 , 14188 , 17735 , 35470 , 70940 , 1039271 , 2078542 , 4157084 , 5196355 , 10392710 , 20785420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20785419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20785420 can be divided by 24 positive divisors.
The sum of these divisors (counting 20785420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010010100100001100
3
Ternary
1110010000020101
4
Quaternary
1033102210030
5
Quinary
20310113140
6
Senary
2021300444
8
Octal
117224414
10
Decimal
20785420
12
Duodecimal
6b64724
16
Hexadecimal
13d290c
20
Vigesimal
69i3b0
36
Base36
cdi4s
md5
fc505daa440e612abee147caf1351e39
sha1
abb859afd940050f29d25bfd40bcbca440e8398d
sha256
4563621f3aefd9a68bf2bda598e4e56ee8ee744081b17dfe9a474d4d64fc32c1
sha512
72976192fe2ea50b9cfcc63b0082b4810ca93693bf163783bf5ad940eb5d497e60f3761cfa41802b065155efaff4130822a84105114f4097ced9e10994cdf380
ripemd-160
2b15c492f07ea1659d1fc0141a136f9e6e258c9e
Diameter
41570840
Circumference
130598645.54756
Area
1.3572738495685E+15
Volume
3.7615342691065E+22
Surface area
5.4290953982742E+15
Circumference
130598645.54756
Perimeter
83141680
Area
432033684576400
Diagonal
29395022.863621
Surface area
2592202107458400
Volume
8.980001588068E+21
Space diagonal
36001403.496658
Perimeter
62356260
Area
1.8707607306688E+14
Altitude
18000701.748329
Surface area
1.8707607306688E+14
Volume
1.0583033363315E+21
Height
9798340.9545403