20131518 is an even 8-digits composite number following 20131517
and preceding 20131519 . In scientific notation, it is written as 2.0131518 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 6100440 positive integers (up to 20131518) that are relatively prime to 20131518.
20131518 has 16 divisors, whose sum is 43923456
The reverse of 20131518 is 81513102
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred thirty-one thousand five hundred eighteen
Scientific notation
2.0131518 × 10^7
Engineering notation
2.0131518 × 10^6
Prime Factorization
2 × 3 × 11 × 305023
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20131518
Product of the distinct prime numbers
The prime factorization of 20131518 is 2 × 3 × 11 × 305023.
Since it has a total of 4 prime factors.
8 , 5 , 94 , 57 , 789 , 798 , 6376 , 5690 , 51936 , 48907 , 661572 , 918181 , 1202376 , 323698 , 17583888 , 67333612 , 655747929 , 80021138 , 4575927603 , 4530959622
n×2
40263036
n×3
60394554
n×4
80526072
n×5
100657590
n÷2
10065759
n÷3
6710506
n÷3
5032879.5
n÷5
4026303.6
n2
405278016984324
n3
8.1588616939242E+21
n4
1.6425027105075E+29
n5
3.306607288163E+36
2 √n
4486.8160202977
3 √n
272.03545349573
4 √n
66.983699661169
5 √n
28.891846893988
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 305023 , 610046 , 915069 , 1830138 , 3355253 , 6710506 , 10065759 , 20131518
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
-20131517
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 20131518 can be divided by 16 positive divisors.
The sum of these divisors (counting 20131518) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010111010111110
3
Ternary
1101212210020210
4
Quaternary
1030302322332
5
Quinary
20123202033
6
Senary
1555253250
8
Octal
114627276
10
Decimal
20131518
12
Duodecimal
68aa226
16
Hexadecimal
1332ebe
20
Vigesimal
65g8fi
36
Base36
bzhku
md5
59621d8451396b6a18614ca6569fea41
sha1
5f93bc63a96f066ee7375a0a6b29582729bf660f
sha256
5c48d6b2fb8408078c22b5f2f41f284e6ce90860665bc689c71ddb28be53877e
sha512
45e3d86408745e5e21306461f6d3b61ed65e9d54be51848be3c9321b0d27ec79480931821a091d7a09fca0812ef251aaceb69c734af3064c0a22d0819d9d7c01
ripemd-160
d8661a267611b550d4319c1dd45efeed678e2310
Diameter
40263036
Circumference
126490058.10882
Area
1.2732184408194E+15
Volume
3.4175759945717E+22
Surface area
5.0928737632776E+15
Circumference
126490058.10882
Perimeter
80526072
Area
405278016984324
Diagonal
28470265.786758
Surface area
2431668101905944
Volume
8.1588616939242E+21
Space diagonal
34868812.009487
Perimeter
60394554
Area
1.754905291519E+14
Altitude
17434406.004744
Surface area
1.754905291519E+14
Volume
9.6153107175616E+20
Height
9490088.595586