20131205 is an odd 8-digits composite number following 20131204
and preceding 20131206 . In scientific notation, it is written as 2.0131205 × 10^7.
The sum of its digits is 14. It has a total of 4 prime factors and 16 positive divisors.
There are 15611520 positive integers (up to 20131205) that are relatively prime to 20131205.
20131205 has 16 divisors, whose sum is 24905664
The reverse of 20131205 is 50213102
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty million one hundred thirty-one thousand two hundred five
Scientific notation
2.0131205 × 10^7
Engineering notation
2.0131205 × 10^6
Prime Factorization
5 × 283 × 41 × 347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20131205
Product of the distinct prime numbers
The prime factorization of 20131205 is 5 × 283 × 41 × 347.
Since it has a total of 4 prime factors.
9 , 8 , 20 , 56 , 21 , 725 , 8888 , 5573 , 50600 , 62527 , 50234 , 66336 , 2231492 , 7289693 , 7061105 , 36837359 , 387601248 , 922086684 , 6727064959 , 9133022615
n×2
40262410
n×3
60393615
n×4
80524820
n×5
100656025
n÷2
10065602.5
n÷3
6710401.6666667
n÷3
5032801.25
n÷5
4026241
n2
405265414752025
n3
8.158481143783E+21
n4
1.6424005639413E+29
n5
3.3063502444818E+36
2 √n
4486.7811401939
3 √n
272.03404364115
4 √n
66.983439298038
5 √n
28.891757052732
1 , 5 , 41 , 205 , 283 , 347 , 1415 , 1735 , 11603 , 14227 , 58015 , 71135 , 98201 , 491005 , 4026241 , 20131205
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20131204
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131205 can be divided by 16 positive divisors.
The sum of these divisors (counting 20131205) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010110110000101
3
Ternary
1101212202211012
4
Quaternary
1030302312011
5
Quinary
20123144310
6
Senary
1555252005
8
Octal
114626605
10
Decimal
20131205
12
Duodecimal
68aa005
16
Hexadecimal
1332d85
20
Vigesimal
65g805
36
Base36
bzhc5
md5
9cd4033761893105f7514cf0ed567f74
sha1
94725f78be75e41888cf45c68477b56289861115
sha256
9e02834f427f83625b22eed8bc66924c1e9f0780a55dbb5b556f8058e7da05e5
sha512
c5fd2dbfa9aa1b3a5005a5cdc21fc049662e0e698915b0642589815c59d87308239a070f8b5f7ec112e3e5a591534d4db5316d14efcb56d24fd446df66dca430
ripemd-160
509df73095f960e4bbb4712b97ee3f2a708464b7
Diameter
40262410
Circumference
126488091.47182
Area
1.273178849739E+15
Volume
3.4174165901013E+22
Surface area
5.0927153989559E+15
Circumference
126488091.47182
Perimeter
80524820
Area
405265414752025
Diagonal
28469823.137913
Surface area
2431592488512150
Volume
8.158481143783E+21
Space diagonal
34868269.877585
Perimeter
60393615
Area
1.7548507222525E+14
Altitude
17434134.938792
Surface area
1.7548507222525E+14
Volume
9.6148622349193E+20
Height
9489941.045971