20181368 is an even 8-digits composite number following 20181367
and preceding 20181369 . In scientific notation, it is written as 2.0181368 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors.
There are 10090680 positive integers (up to 20181368) that are relatively prime to 20181368.
20181368 has 8 divisors, whose sum is 37840080
The reverse of 20181368 is 86318102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred eighty-one thousand three hundred sixty-eight
Scientific notation
2.0181368 × 10^7
Engineering notation
2.0181368 × 10^6
Prime Factorization
2 × 2 × 2 × 2522671
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5045342
Product of the distinct prime numbers
The prime factorization of 20181368 is 2 × 2 × 2 × 2522671.
Since it has a total of 4 prime factors.
3 , 1 , 92 , 1 , 883 , 410 , 4119 , 1189 , 35307 , 13509 , 157901 , 62147 , 9403608 , 805374 , 63895841 , 14795954 , 388106369 , 993449280 , 5623409438 , 3009365976
n×2
40362736
n×3
60544104
n×4
80725472
n×5
100906840
n÷2
10090684
n÷3
6727122.6666667
n÷3
5045342
n÷5
4036273.6
n2
407287614351424
n3
8.2196212270682E+21
n4
1.6588320080407E+29
n5
3.3477499204449E+36
2 √n
4492.367749862
3 √n
272.2598079869
4 √n
67.025127749688
5 √n
28.906141237084
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
-20181367
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 20181368 can be divided by 8 positive divisors.
The sum of these divisors (counting 20181368) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111111000101111000
3
Ternary
1101222022122002
4
Quaternary
1030333011320
5
Quinary
20131300433
6
Senary
2000320132
8
Octal
114770570
10
Decimal
20181368
12
Duodecimal
6913048
16
Hexadecimal
133f178
20
Vigesimal
662d88
36
Base36
c0k1k
md5
21de54bf6da2af7bb3da507fe8d123c3
sha1
47f6ed174a616f98e2cad3bb414ba6ec0ab70734
sha256
945634dcb9c1befdd0cad3eab106497db5ea1afaf0ae631efa00c06fd13b2773
sha512
369e59818fd3b24ded31ce8468d6d2dae48dea7271c77b375221dd8a9a3afebe5ae3c8d7149f0c149e553fff69336e80af8b55baafd32a5829392e6735a0a586
ripemd-160
bb72155deef58277ed217071412c5071782f28e9
Diameter
40362736
Circumference
126803274.89638
Area
1.2795317771445E+15
Volume
3.4430268882997E+22
Surface area
5.1181271085782E+15
Circumference
126803274.89638
Perimeter
80725472
Area
407287614351424
Diagonal
28540764.332842
Surface area
2443725686108544
Volume
8.2196212270682E+21
Space diagonal
34955154.742245
Perimeter
60544104
Area
1.7636071033755E+14
Altitude
17477577.371122
Surface area
1.7636071033755E+14
Volume
9.6869165140747E+20
Height
9513588.1109475