20181396 is an even 8-digits composite number following 20181395
and preceding 20181397 . In scientific notation, it is written as 2.0181396 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6434560 positive integers (up to 20181396) that are relatively prime to 20181396.
20181396 has 24 divisors, whose sum is 49137984
The reverse of 20181396 is 69318102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred eighty-one thousand three hundred ninety-six
Scientific notation
2.0181396 × 10^7
Engineering notation
2.0181396 × 10^6
Prime Factorization
2 × 2 × 3 × 23 × 73121
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10090698
Product of the distinct prime numbers
The prime factorization of 20181396 is 2 × 2 × 3 × 23 × 73121.
Since it has a total of 5 prime factors.
4 , 4 , 20 , 8 , 359 , 407 , 5239 , 8976 , 2005 , 42185 , 644687 , 663454 , 976606 , 4159710 , 74370256 , 27258126 , 610750370 , 181034994 , 5759379443 , 2002130209
n×2
40362792
n×3
60544188
n×4
80725584
n×5
100906980
n÷2
10090698
n÷3
6727132
n÷3
5045349
n÷5
4036279.2
n2
407288744508816
n3
8.2196554392752E+21
n4
1.6588412140357E+29
n5
3.3477731441575E+36
2 √n
4492.3708662576
3 √n
272.25993389959
4 √n
67.025150997649
5 √n
28.906149258061
1 , 2 , 3 , 4 , 6 , 12 , 23 , 46 , 69 , 92 , 138 , 276 , 73121 , 146242 , 219363 , 292484 , 438726 , 877452 , 1681783 , 3363566 , 5045349 , 6727132 , 10090698 , 20181396
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
-20181395
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 20181396 can be divided by 24 positive divisors.
The sum of these divisors (counting 20181396) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111111000110010100
3
Ternary
1101222022200010
4
Quaternary
1030333012110
5
Quinary
20131301041
6
Senary
2000320220
8
Octal
114770624
10
Decimal
20181396
12
Duodecimal
6913070
16
Hexadecimal
133f194
20
Vigesimal
662d9g
36
Base36
c0k2c
md5
704f28dd6012af26e7f9ac892f3500e3
sha1
aa269b1d4206346155f7c6cee1e2ef3e788cc392
sha256
c57f786bd3bcc1a0a63f5247cdf969dae3d25f7f04477a451c2ad5e981dd298d
sha512
25e5c125864c4f6dfb86687f8a29abc80a8c2ee5f494e2f8c1a6d3e641615dfcb3c70058442927e37a3a358c97787cae9d30b4c4c6ee55fea0f25078abffeac9
ripemd-160
df54ca9947128ab4c0994ff7959a56cc9fb53af8
Diameter
40362792
Circumference
126803450.82557
Area
1.2795353276387E+15
Volume
3.4430412190755E+22
Surface area
5.1181413105548E+15
Circumference
126803450.82557
Perimeter
80725584
Area
407288744508816
Diagonal
28540803.930822
Surface area
2443732467052896
Volume
8.2196554392752E+21
Space diagonal
34955203.239667
Perimeter
60544188
Area
1.7636119971005E+14
Altitude
17477601.619834
Surface area
1.7636119971005E+14
Volume
9.6869568335474E+20
Height
9513601.310274