12931818 is an even 8-digits composite number following 12931817
and preceding 12931819 . In scientific notation, it is written as 1.2931818 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 4083696 positive integers (up to 12931818) that are relatively prime to 12931818.
12931818 has 16 divisors, whose sum is 27225120
The reverse of 12931818 is 81813921
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million nine hundred thirty-one thousand eight hundred eighteen
Scientific notation
1.2931818 × 10^7
Engineering notation
1.2931818 × 10^6
Prime Factorization
2 × 3 × 19 × 113437
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12931818
Product of the distinct prime numbers
The prime factorization of 12931818 is 2 × 3 × 19 × 113437.
Since it has a total of 4 prime factors.
1 , 4 , 57 , 44 , 406 , 528 , 8185 , 6672 , 55347 , 86350 , 26471 , 520101 , 941654 , 6900808 , 72679454 , 14488126 , 385133454 , 593357635 , 6168322049 , 8046151088
n×2
25863636
n×3
38795454
n×4
51727272
n×5
64659090
n÷2
6465909
n÷3
4310606
n÷3
3232954.5
n÷5
2586363.6
n2
167231916785124
n3
2.1626127116564E+21
n4
2.7966513991627E+28
n5
3.6165786903417E+35
2 √n
3596.0837031415
3 √n
234.72167441462
4 √n
59.967355312216
5 √n
26.444290339557
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 113437 , 226874 , 340311 , 680622 , 2155303 , 4310606 , 6465909 , 12931818
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
-12931817
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 12931818 can be divided by 16 positive divisors.
The sum of these divisors (counting 12931818) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001010101001011101010
3
Ternary
220100000010020
4
Quaternary
301111023222
5
Quinary
11302304233
6
Senary
1141101310
8
Octal
61251352
10
Decimal
12931818
12
Duodecimal
43b7836
16
Hexadecimal
c552ea
20
Vigesimal
40g9ai
36
Base36
7p696
md5
c35a0c6718c3b4cfb45409982971abf0
sha1
4782c8903445733848959126ca00c076e6d0de03
sha256
1a1081082fe3d46c9d2ee208cb2966a9f33bb32d9d877ba23abfd4069c2e5b85
sha512
cf7d0b9c7f3a48f7951366c41e60b7e50700b2230a9aa75a4683439ac92628dd8a0b4623f991ea436ede0e3ea5a09f972ffc8f0661345e49519caba317a056b0
ripemd-160
61fe2894e033838d06eef58ff0f62d1247fe44b8
Diameter
25863636
Circumference
81253008.85272
Area
5.2537456121789E+14
Volume
9.0587309433327E+21
Surface area
2.1014982448715E+15
Circumference
81253008.85272
Perimeter
51727272
Area
167231916785124
Diagonal
18288352.401741
Surface area
1003391500710744
Volume
2.1626127116564E+21
Space diagonal
22398565.810234
Perimeter
38795454
Area
72413544129741
Altitude
11199282.905117
Surface area
72413544129741
Volume
2.5486635224874E+20
Height
6096117.4672468