20181384 is an even 8-digits composite number following 20181383
and preceding 20181385 . In scientific notation, it is written as 2.0181384 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 6727104 positive integers (up to 20181384) that are relatively prime to 20181384.
20181384 has 16 divisors, whose sum is 42044700
The reverse of 20181384 is 48318102
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred eighty-one thousand three hundred eighty-four
Scientific notation
2.0181384 × 10^7
Engineering notation
2.0181384 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 280297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5045346
Product of the distinct prime numbers
The prime factorization of 20181384 is 2 × 2 × 2 × 9 × 280297.
Since it has a total of 5 prime factors.
1 , 9 , 63 , 97 , 396 , 327 , 9685 , 25 , 74295 , 56199 , 208003 , 426471 , 2953547 , 2783170 , 41267517 , 16263588 , 538178837 , 768077330 , 326164734 , 5524657236
n×2
40362768
n×3
60544152
n×4
80725536
n×5
100906920
n÷2
10090692
n÷3
6727128
n÷3
5045346
n÷5
4036276.8
n2
407288260155456
n3
8.2196407768892E+21
n4
1.6588372686046E+29
n5
3.347763191122E+36
2 √n
4492.3695306597
3 √n
272.25987993702
4 √n
67.02514103424
5 √n
28.9061458205
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 280297 , 560594 , 1121188 , 2242376 , 2522673 , 5045346 , 10090692 , 20181384
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
-20181383
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 20181384 can be divided by 16 positive divisors.
The sum of these divisors (counting 20181384) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111111000110001000
3
Ternary
1101222022122200
4
Quaternary
1030333012020
5
Quinary
20131301014
6
Senary
2000320200
8
Octal
114770610
10
Decimal
20181384
12
Duodecimal
6913060
16
Hexadecimal
133f188
20
Vigesimal
662d94
36
Base36
c0k20
md5
1fae9dbd09c5e7d163a73f1dc113e74f
sha1
00e06d59db9d4245e57f0fae6c54051322a97792
sha256
7c33d9fd2d5553bcdff86993b933229f165150ea6ab0b8a7e2eb0cd1beff7f36
sha512
eb7060e0f8974031bb684560cbb63328414dee8d57081375f6b3079ef38d9d6e0122fa5f85f49dd48f3888c5a4d1714baf96bd3a11b2efb99116a3a1e6401f25
ripemd-160
742a80b923c6c44508b9507280fdc681388f32be
Diameter
40362768
Circumference
126803375.42735
Area
1.2795338059977E+15
Volume
3.4430350773096E+22
Surface area
5.118135223991E+15
Circumference
126803375.42735
Perimeter
80725536
Area
407288260155456
Diagonal
28540786.960259
Surface area
2443729560932736
Volume
8.2196407768892E+21
Space diagonal
34955182.455058
Perimeter
60544152
Area
1.763609899789E+14
Altitude
17477591.227529
Surface area
1.763609899789E+14
Volume
9.6869395537596E+20
Height
9513595.6534198