20131812 is an even 8-digits composite number following 20131811
and preceding 20131813 . In scientific notation, it is written as 2.0131812 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 18 positive divisors.
There are 6710592 positive integers (up to 20131812) that are relatively prime to 20131812.
20131812 has 18 divisors, whose sum is 50888838
The reverse of 20131812 is 21813102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred thirty-one thousand eight hundred twelve
Scientific notation
2.0131812 × 10^7
Engineering notation
2.0131812 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 559217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3355302
Product of the distinct prime numbers
The prime factorization of 20131812 is 2 × 2 × 3 × 3 × 559217.
Since it has a total of 5 prime factors.
10 , 9 , 57 , 13 , 578 , 576 , 338 , 9232 , 86434 , 55853 , 655381 , 503213 , 313840 , 8738217 , 86325010 , 79860445 , 290954476 , 499265817 , 7211895835 , 1437699109
n×2
40263624
n×3
60395436
n×4
80527248
n×5
100659060
n÷2
10065906
n÷3
6710604
n÷3
5032953
n÷5
4026362.4
n2
405289854403344
n3
8.1592191543555E+21
n4
1.6425986608228E+29
n5
3.3068487431137E+36
2 √n
4486.8487828319
3 √n
272.03677775477
4 √n
66.983944216744
5 √n
28.891931280604
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 559217 , 1118434 , 1677651 , 2236868 , 3355302 , 5032953 , 6710604 , 10065906 , 20131812
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20131811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131812 can be divided by 18 positive divisors.
The sum of these divisors (counting 20131812) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001100110010111111100100
3
Ternary
1101212210122200
4
Quaternary
1030302333210
5
Quinary
20123204222
6
Senary
1555254500
8
Octal
114627744
10
Decimal
20131812
12
Duodecimal
68aa430
16
Hexadecimal
1332fe4
20
Vigesimal
65g9ac
36
Base36
bzht0
md5
8cd14b40452057732736224cbb563120
sha1
06f402c55f2c1c1cc3b549ee4e6b64f37a4d49bb
sha256
e23e9f7d8f7ecb908284eb367c700eff633d041a6d3e9bf5177827f027ce964f
sha512
4ecc5b4ab37011dc983892b9431cd1e07d623cb7bfeb84bfe9ea89d94e736068d333c43a1f460173f651dbfe089aa38fcba1fbd47ed27d56249aaf385b81a810
ripemd-160
aed85f71cf9120d719e163fdfe839f3d18dfb52b
Diameter
40263624
Circumference
126491905.3653
Area
1.273255629168E+15
Volume
3.417725727247E+22
Surface area
5.0930225166721E+15
Circumference
126491905.3653
Perimeter
80527248
Area
405289854403344
Diagonal
28470681.565545
Surface area
2431739126420064
Volume
8.1592191543555E+21
Space diagonal
34869321.232425
Perimeter
60395436
Area
1.754956549047E+14
Altitude
17434660.616212
Surface area
1.754956549047E+14
Volume
9.6157319887199E+20
Height
9490227.1885151