20785940 is an even 8-digits composite number following 20785939
and preceding 20785941 . In scientific notation, it is written as 2.0785940 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 7126560 positive integers (up to 20785940) that are relatively prime to 20785940.
20785940 has 24 divisors, whose sum is 49886592
The reverse of 20785940 is 04958702
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million seven hundred eighty-five thousand nine hundred forty
Scientific notation
2.0785940 × 10^7
Engineering notation
2.0785940 × 10^6
Prime Factorization
2 × 2 × 5 × 7 × 148471
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10392970
Product of the distinct prime numbers
The prime factorization of 20785940 is 2 × 2 × 5 × 7 × 148471.
Since it has a total of 5 prime factors.
5 , 8 , 60 , 16 , 735 , 257 , 122 , 8955 , 92337 , 15999 , 259868 , 54217 , 3495783 , 3600976 , 74361601 , 90399910 , 301939808 , 389023833 , 7113095165 , 4046996361
n×2
41571880
n×3
62357820
n×4
83143760
n×5
103929700
n÷2
10392970
n÷3
6928646.6666667
n÷3
5196485
n÷5
4157188
n2
432055301683600
n3
8.9806755774772E+21
n4
1.8667178371291E+29
n5
3.8801484959495E+36
2 √n
4559.1600103528
3 √n
274.95179320286
4 √n
67.521552191525
5 √n
29.077290400905
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 148471 , 296942 , 593884 , 742355 , 1039297 , 1484710 , 2078594 , 2969420 , 4157188 , 5196485 , 10392970 , 20785940
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
-20785939
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 20785940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20785940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010010101100010100
3
Ternary
1110010000221122
4
Quaternary
1033102230110
5
Quinary
20310122230
6
Senary
2021303112
8
Octal
117225424
10
Decimal
20785940
12
Duodecimal
6b64a98
16
Hexadecimal
13d2b14
20
Vigesimal
69i4h0
36
Base36
cdij8
md5
2cd434b9303f7edd7710dccdfcc77388
sha1
b5b61ebd93e15755f6f8a3730f4466dbd8d03d37
sha256
6ecb9c3c2d155ec6b2997b35803215b32d07d7668e1ee9cdf5aba9db3ae5821f
sha512
db3c2afca8a49c9157de9b7982464e8561da7c31c1cccca23450c5911046dbf9023725e72c662b039cc265be0d3efdadac5bafc38c288ac89a5edeae282ec30a
ripemd-160
ba257fed8f556d1129e99b82167f65dff6ad255b
Diameter
41571880
Circumference
130601912.80392
Area
1.3573417617137E+15
Volume
3.7618165891301E+22
Surface area
5.4293670468549E+15
Circumference
130601912.80392
Perimeter
83143760
Area
432055301683600
Diagonal
29395758.254673
Surface area
2592331810101600
Volume
8.9806755774772E+21
Space diagonal
36002304.163078
Perimeter
62357820
Area
1.8708543354887E+14
Altitude
18001152.081539
Surface area
1.8708543354887E+14
Volume
1.0583827667451E+21
Height
9798586.0848911