20378439 is an odd 8-digits composite number following 20378438
and preceding 20378440 . In scientific notation, it is written as 2.0378439 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 12960000 positive integers (up to 20378439) that are relatively prime to 20378439.
20378439 has 16 divisors, whose sum is 22127616
The reverse of 20378439 is 93487302
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million three hundred seventy-eight thousand four hundred thirty-nine
Scientific notation
2.0378439 × 10^7
Engineering notation
2.0378439 × 10^6
Prime Factorization
27 × 31 × 97 × 251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20378439
Product of the distinct prime numbers
The prime factorization of 20378439 is 27 × 31 × 97 × 251.
Since it has a total of 4 prime factors.
6 , 9 , 22 , 8 , 597 , 821 , 9510 , 3743 , 48841 , 98642 , 88732 , 575193 , 4676112 , 2911182 , 78049151 , 79174186 , 111855919 , 361861265 , 5530213817 , 1927272304
n×2
40756878
n×3
61135317
n×4
81513756
n×5
101892195
n÷2
10189219.5
n÷3
6792813
n÷3
5094609.75
n÷5
4075687.8
n2
415280776076721
n3
8.4627739631521E+21
n4
1.7245812297888E+29
n5
3.5144273391797E+36
2 √n
4514.248442432
3 √n
273.14314434877
4 √n
67.188157010235
5 √n
28.962375689348
1 , 27 , 31 , 97 , 251 , 837 , 2619 , 3007 , 6777 , 7781 , 24347 , 81189 , 210087 , 657369 , 754757 , 20378439
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20378438
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20378439 can be divided by 16 positive divisors.
The sum of these divisors (counting 20378439) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101101111001101000111
3
Ternary
1102100022222000
4
Quaternary
1031233031013
5
Quinary
20204102224
6
Senary
2004440343
8
Octal
115571507
10
Decimal
20378439
12
Duodecimal
69a90b3
16
Hexadecimal
136f347
20
Vigesimal
67761j
36
Base36
c4s3r
md5
abdc524e9556f02aeed1ea01e3f1e5b5
sha1
d426749cca03a5d516b1b71ffb8b8762d279974a
sha256
ec6bc60211c693318fbff0b891397e782e555bb85299b04db63a29535b897114
sha512
e861315bd942ccda3dae1848753ef6bcab6d76ad51dd0ff272b84dce96e507cd26fae8fc65fd6a7a2c18be7e2d2d01e3d8e3df0589e2b7e4e34d753ff76a0a6d
ripemd-160
142e7870853004f436f9506d371f820b75575fc3
Diameter
40756878
Circumference
128041508.50806
Area
1.3046430352997E+15
Volume
3.5448784682173E+22
Surface area
5.2185721411988E+15
Circumference
128041508.50806
Perimeter
81513756
Area
415280776076721
Diagonal
28819464.813793
Surface area
2491684656460326
Volume
8.4627739631521E+21
Space diagonal
35296491.726943
Perimeter
61135317
Area
1.7982185089288E+14
Altitude
17648245.863472
Surface area
1.7982185089288E+14
Volume
9.9734747616564E+20
Height
9606488.2712643