20378906 is an even 8-digits composite number following 20378905
and preceding 20378907 . In scientific notation, it is written as 2.0378906 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 9653148 positive integers (up to 20378906) that are relatively prime to 20378906.
20378906 has 8 divisors, whose sum is 32177280
The reverse of 20378906 is 60987302
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million three hundred seventy-eight thousand nine hundred six
Scientific notation
2.0378906 × 10^7
Engineering notation
2.0378906 × 10^6
Prime Factorization
2 × 19 × 536287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20378906
Product of the distinct prime numbers
The prime factorization of 20378906 is 2 × 19 × 536287.
Since it has a total of 3 prime factors.
6 , 10 , 5 , 45 , 123 , 605 , 1670 , 9484 , 45547 , 12400 , 279618 , 383817 , 1096484 , 3004400 , 41003171 , 86107534 , 930027533 , 164835532 , 9919355224 , 101681971
n×2
40757812
n×3
61136718
n×4
81515624
n×5
101894530
n÷2
10189453
n÷3
6792968.6666667
n÷3
5094726.5
n÷5
4075781.2
n2
415299809756836
n3
8.4633557848524E+21
n4
1.7247393198406E+29
n5
3.5148300473536E+36
2 √n
4514.3001672463
3 √n
273.14523081663
4 √n
67.188541934219
5 √n
28.962508430678
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20378905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20378906 can be divided by 8 positive divisors.
The sum of these divisors (counting 20378906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101101111010100011010
3
Ternary
1102100100121022
4
Quaternary
1031233110122
5
Quinary
20204111111
6
Senary
2004442442
8
Octal
115572432
10
Decimal
20378906
12
Duodecimal
69a9422
16
Hexadecimal
136f51a
20
Vigesimal
677756
36
Base36
c4sgq
md5
538295fcf376edc53adc07e0df7e6b6f
sha1
906fdd6a400f56f893833b938e32b44c539542ed
sha256
272e4e154d2d66f59bacd2c51bb5a588879182e3a4882b7f6c502bf55691ff8b
sha512
e7e88824f2144e77f6af3ee9fc1e5bcf27ef84f478241e9857a794c1f691b437765f223a5694d5e8a8288e3e7824e7abd4b5d7c1aa5772cfa6538db1e31ee8a9
ripemd-160
088a0df28981eb190c29b85f32eb58115fdb9a40
Diameter
40757812
Circumference
128044442.75559
Area
1.3047028313693E+15
Volume
3.5451221811212E+22
Surface area
5.2188113254773E+15
Circumference
128044442.75559
Perimeter
81515624
Area
415299809756836
Diagonal
28820125.251526
Surface area
2491798858541016
Volume
8.4633557848524E+21
Space diagonal
35297300.59467
Perimeter
61136718
Area
1.7983009271813E+14
Altitude
17648650.297335
Surface area
1.7983009271813E+14
Volume
9.9741604451059E+20
Height
9606708.4171755