20131665 is an odd 8-digits composite number following 20131664
and preceding 20131666 . In scientific notation, it is written as 2.0131665 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 10736880 positive integers (up to 20131665) that are relatively prime to 20131665.
20131665 has 4 divisors, whose sum is 21473792
The reverse of 20131665 is 56613102
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred thirty-one thousand six hundred sixty-five
Scientific notation
2.0131665 × 10^7
Engineering notation
2.0131665 × 10^6
Prime Factorization
15 × 1342111
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131665
Product of the distinct prime numbers
The prime factorization of 20131665 is 15 × 1342111.
Since it has a total of 2 prime factors.
4 , 2 , 19 , 60 , 41 , 847 , 1832 , 3249 , 36939 , 12685 , 697742 , 86174 , 4467082 , 5958398 , 68359982 , 40889408 , 281618591 , 503142043 , 5829510829 , 2538664249
n×2
40263330
n×3
60394995
n×4
80526660
n×5
100658325
n÷2
10065832.5
n÷3
6710555
n÷3
5032916.25
n÷5
4026333
n2
405283935672225
n3
8.1590404228348E+21
n4
1.6425506851397E+29
n5
3.3067280138753E+36
2 √n
4486.8324015947
3 √n
272.03611562686
4 √n
66.983821939291
5 √n
28.89188908742
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20131664
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131665 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131665) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010111101010001
3
Ternary
1101212210110020
4
Quaternary
1030302331101
5
Quinary
20123203130
6
Senary
1555254053
8
Octal
114627521
10
Decimal
20131665
12
Duodecimal
68aa329
16
Hexadecimal
1332f51
20
Vigesimal
65g935
36
Base36
bzhox
md5
1046c5f0de5b6a3d56686d222cf2c83c
sha1
43751cf54caca3536d8b52e87d292fbc531532de
sha256
f2de0f12324357f22aea91a5c65648241aa2fc869e3ceda4583bb0dcb687aa59
sha512
c88b7c854aa4a02be2ea321dafdb499dd11d2faae4ce4d7efea8fc17f34ec97d4b866d8c8db5caaeea4727c706d2dc7ab94037c1509abe868a0bad025df6440e
ripemd-160
220392660f798917ee91fd832685fbaef73b4de8
Diameter
40263330
Circumference
126490981.73706
Area
1.2732370349258E+15
Volume
3.4176508603627E+22
Surface area
5.0929481397033E+15
Circumference
126490981.73706
Perimeter
80526660
Area
405283935672225
Diagonal
28470473.676152
Surface area
2431703614033350
Volume
8.1590404228348E+21
Space diagonal
34869066.620956
Perimeter
60394995
Area
1.7549309201894E+14
Altitude
17434533.310478
Surface area
1.7549309201894E+14
Volume
9.6155213516027E+20
Height
9490157.8920506