20181329 is an odd 8-digits composite number following 20181328
and preceding 20181330 . In scientific notation, it is written as 2.0181329 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 16280640 positive integers (up to 20181329) that are relatively prime to 20181329.
20181329 has 8 divisors, whose sum is 24421248
The reverse of 20181329 is 92318102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred eighty-one thousand three hundred twenty-nine
Scientific notation
2.0181329 × 10^7
Engineering notation
2.0181329 × 10^6
Prime Factorization
7 × 17 × 169591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20181329
Product of the distinct prime numbers
The prime factorization of 20181329 is 7 × 17 × 169591.
Since it has a total of 3 prime factors.
4 , 4 , 34 , 68 , 777 , 836 , 9710 , 4601 , 22668 , 60098 , 223085 , 30670 , 6107922 , 7574982 , 21547772 , 80766356 , 784006152 , 267102669 , 3309606325 , 2726256292
n×2
40362658
n×3
60543987
n×4
80725316
n×5
100906645
n÷2
10090664.5
n÷3
6727109.6666667
n÷3
5045332.25
n÷5
4036265.8
n2
407286040206241
n3
8.2195735745094E+21
n4
1.6588191854688E+29
n5
3.3477175733458E+36
2 √n
4492.3634091645
3 √n
272.25963260831
4 √n
67.025095368559
5 √n
28.906130064993
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
-20181328
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 20181329 can be divided by 8 positive divisors.
The sum of these divisors (counting 20181329) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111111000101010001
3
Ternary
1101222022120122
4
Quaternary
1030333011101
5
Quinary
20131300304
6
Senary
2000320025
8
Octal
114770521
10
Decimal
20181329
12
Duodecimal
6913015
16
Hexadecimal
133f151
20
Vigesimal
662d69
36
Base36
c0k0h
md5
6701ad13412f841470a04af594edac99
sha1
ed2d50168161c7f0b95f5cac676f2a5b83e18c83
sha256
99bbaeaece522a2e5a56833dd62f4cd7ba23d3dfa675bc4cd93eca6c506b709c
sha512
ab5b9b6f5bfd32c2517f7c7bd72808a8d6da00f843ade1448b47e0f1a9d0d0bc85fc303ae02a3a2d59e7a80c0bcc3b37fe0c6a7e7bf2d7b5e03c1ababaf1ca1b
ripemd-160
5e9d74320c098cad297e8941af3e17082da7fbd4
Diameter
40362658
Circumference
126803029.85216
Area
1.2795268318216E+15
Volume
3.4430069276426E+22
Surface area
5.1181073272864E+15
Circumference
126803029.85216
Perimeter
80725316
Area
407286040206241
Diagonal
28540709.178513
Surface area
2443716241237446
Volume
8.2195735745094E+21
Space diagonal
34955087.192263
Perimeter
60543987
Area
1.7636002871269E+14
Altitude
17477543.596132
Surface area
1.7636002871269E+14
Volume
9.6868603549956E+20
Height
9513569.7261712