20131820 is an even 8-digits composite number following 20131819
and preceding 20131821 . In scientific notation, it is written as 2.0131820 × 10^7.
The sum of its digits is 17. It has a total of 5 prime factors and 24 positive divisors.
There are 7856000 positive integers (up to 20131820) that are relatively prime to 20131820.
20131820 has 24 divisors, whose sum is 43309728
The reverse of 20131820 is 02813102
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred thirty-one thousand eight hundred twenty
Scientific notation
2.0131820 × 10^7
Engineering notation
2.0131820 × 10^6
Prime Factorization
2 × 2 × 5 × 41 × 24551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10065910
Product of the distinct prime numbers
The prime factorization of 20131820 is 2 × 2 × 5 × 41 × 24551.
Since it has a total of 5 prime factors.
1 , 5 , 94 , 32 , 706 , 703 , 606 , 3152 , 73280 , 53546 , 912169 , 849859 , 5773946 , 1003344 , 66941098 , 43374955 , 982465194 , 969650563 , 9943000540 , 5870264384
n×2
40263640
n×3
60395460
n×4
80527280
n×5
100659100
n÷2
10065910
n÷3
6710606.6666667
n÷3
5032955
n÷5
4026364
n2
405290176512400
n3
8.1592288813159E+21
n4
1.6426012717745E+29
n5
3.3068553135136E+36
2 √n
4486.8496743261
3 √n
272.03681378885
4 √n
66.98395087128
5 √n
28.891933576825
1 , 2 , 4 , 5 , 10 , 20 , 41 , 82 , 164 , 205 , 410 , 820 , 24551 , 49102 , 98204 , 122755 , 245510 , 491020 , 1006591 , 2013182 , 4026364 , 5032955 , 10065910 , 20131820
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
-20131819
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 20131820 can be divided by 24 positive divisors.
The sum of these divisors (counting 20131820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110010111111101100
3
Ternary
1101212210122222
4
Quaternary
1030302333230
5
Quinary
20123204240
6
Senary
1555254512
8
Octal
114627754
10
Decimal
20131820
12
Duodecimal
68aa438
16
Hexadecimal
1332fec
20
Vigesimal
65g9b0
36
Base36
bzht8
md5
5b4d83cd82788eeae1a8326ce1e94739
sha1
74353e592d873464b0e1d1d8a9ef8be0ea088429
sha256
154d859c6f8a0ed41bb3aa356261e81065e64d9e8bd942d71161354cfb4ad295
sha512
122181f408bf4d01056604469a78f1673d75aa028b1eef4d5bc72d596964ee7d4fee271d57c12d46139f38cc91af6f8cc4fe95bde1894738a5db7f2511e47276
ripemd-160
8e9dec28dc4d6a14bd93063b912834d5e905356d
Diameter
40263640
Circumference
126491955.63078
Area
1.2732566411035E+15
Volume
3.4177298016666E+22
Surface area
5.0930265644139E+15
Circumference
126491955.63078
Perimeter
80527280
Area
405290176512400
Diagonal
28470692.879254
Surface area
2431741059074400
Volume
8.1592288813159E+21
Space diagonal
34869335.088831
Perimeter
60395460
Area
1.7549579438201E+14
Altitude
17434667.544416
Surface area
1.7549579438201E+14
Volume
9.6157434520526E+20
Height
9490230.9597513