20378894 is an even 8-digits composite number following 20378893
and preceding 20378895 . In scientific notation, it is written as 2.0378894 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 10189446 positive integers (up to 20378894) that are relatively prime to 20378894.
20378894 has 4 divisors, whose sum is 30568344
The reverse of 20378894 is 49887302
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million three hundred seventy-eight thousand eight hundred ninety-four
Scientific notation
2.0378894 × 10^7
Engineering notation
2.0378894 × 10^6
Prime Factorization
2 × 10189447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20378894
Product of the distinct prime numbers
The prime factorization of 20378894 is 2 × 10189447.
Since it has a total of 2 prime factors.
1 , 10 , 90 , 19 , 263 , 800 , 3928 , 1165 , 48138 , 99210 , 220632 , 792191 , 6316447 , 8532865 , 87475532 , 28478986 , 127180229 , 845381036 , 8476174300 , 3995413437
n×2
40757788
n×3
61136682
n×4
81515576
n×5
101894470
n÷2
10189447
n÷3
6792964.6666667
n÷3
5094723.5
n÷5
4075778.8
n2
415299320663236
n3
8.4633408340681E+21
n4
1.7247352574335E+29
n5
3.5148196989299E+36
2 √n
4514.2988381364
3 √n
273.14517720329
4 √n
67.188532043321
5 √n
28.962505019797
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
-20378893
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 20378894 can be divided by 4 positive divisors.
The sum of these divisors (counting 20378894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101101111010100001110
3
Ternary
1102100100120212
4
Quaternary
1031233110032
5
Quinary
20204111034
6
Senary
2004442422
8
Octal
115572416
10
Decimal
20378894
12
Duodecimal
69a9412
16
Hexadecimal
136f50e
20
Vigesimal
67774e
36
Base36
c4sge
md5
1c12789e07a77969e6dc97a46006e3e5
sha1
32f21fa68f106c5f8e761e976f829b429076a94a
sha256
ec278d4ac52514982c4231046d40e1f321be41af8b2385619879855d8f4d492a
sha512
fb9c1c9d3dc9d146fc66ddce03e8cdd660d4123ab0dd0e93ff6670f4cb7cbe4751acbd8b619441dbbf1888fe6c23d7acfd4c68019b233d075904509c85feefdb
ripemd-160
939080cf2056bab8824dae3fa9eebdda87a2d884
Diameter
40757788
Circumference
128044367.35737
Area
1.3047012948365E+15
Volume
3.5451159185513E+22
Surface area
5.2188051793458E+15
Circumference
128044367.35737
Perimeter
81515576
Area
415299320663236
Diagonal
28820108.280964
Surface area
2491795923979416
Volume
8.4633408340681E+21
Space diagonal
35297279.810061
Perimeter
61136682
Area
1.7982988093439E+14
Altitude
17648639.90503
Surface area
1.7982988093439E+14
Volume
9.9741428254376E+20
Height
9606702.7603212