20181684 is an even 8-digits composite number following 20181683
and preceding 20181685 . In scientific notation, it is written as 2.0181684 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 6727224 positive integers (up to 20181684) that are relatively prime to 20181684.
20181684 has 12 divisors, whose sum is 47090624
The reverse of 20181684 is 48618102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred eighty-one thousand six hundred eighty-four
Scientific notation
2.0181684 × 10^7
Engineering notation
2.0181684 × 10^6
Prime Factorization
2 × 2 × 3 × 1681807
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10090842
Product of the distinct prime numbers
The prime factorization of 20181684 is 2 × 2 × 3 × 1681807.
Since it has a total of 4 prime factors.
1 , 2 , 38 , 13 , 999 , 373 , 5951 , 8930 , 51801 , 74595 , 951417 , 35770 , 2014752 , 3934634 , 27561191 , 3222248 , 38529869 , 29763551 , 2589111311 , 5597506386
n×2
40363368
n×3
60545052
n×4
80726736
n×5
100908420
n÷2
10090842
n÷3
6727228
n÷3
5045421
n÷5
4036336.8
n2
407300369075856
n3
8.2200073417723E+21
n4
1.6589359064933E+29
n5
3.3480120241101E+36
2 √n
4492.402920487
3 √n
272.2612289948
4 √n
67.025390118126
5 √n
28.906231759029
1 , 2 , 3 , 4 , 6 , 12 , 1681807 , 3363614 , 5045421 , 6727228 , 10090842 , 20181684
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181684 can be divided by 12 positive divisors.
The sum of these divisors (counting 20181684) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111111001010110100
3
Ternary
1101222100001210
4
Quaternary
1030333022310
5
Quinary
20131303214
6
Senary
2000321420
8
Octal
114771264
10
Decimal
20181684
12
Duodecimal
6913270
16
Hexadecimal
133f2b4
20
Vigesimal
662e44
36
Base36
c0kac
md5
708d49880f2645dc4a9c55f964aa24ca
sha1
a39b937253d80d26a1c0838ed8167e01907e7bd7
sha256
2355c3b331d71e65bdcb8b2c77346cea4770340de240621de0ecff506c6840eb
sha512
9f89d3d71777bd175dda06213e3941c5d77b92ef9de07c551b94b7a8c5e6a42626124a5a20a2ec8f1b6cc4597ea3261090748d2dda310a92bdb5457fd90dfd4d
ripemd-160
af3210542d5193738ba2c0214abd1597ad4350f9
Diameter
40363368
Circumference
126805260.38294
Area
1.2795718472931E+15
Volume
3.4431886236488E+22
Surface area
5.1182873891725E+15
Circumference
126805260.38294
Perimeter
80726736
Area
407300369075856
Diagonal
28541211.224328
Surface area
2443802214455136
Volume
8.2200073417723E+21
Space diagonal
34955702.0703
Perimeter
60545052
Area
1.7636623329523E+14
Altitude
17477851.03515
Surface area
1.7636623329523E+14
Volume
9.6873715546173E+20
Height
9513737.074776