13181812 is an even 8-digits composite number following 13181811
and preceding 13181813 . In scientific notation, it is written as 1.3181812 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 5649336 positive integers (up to 13181812) that are relatively prime to 13181812.
13181812 has 12 divisors, whose sum is 26363680
The reverse of 13181812 is 21818131
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirteen million one hundred eighty-one thousand eight hundred twelve
Scientific notation
1.3181812 × 10^7
Engineering notation
1.3181812 × 10^6
Prime Factorization
2 × 2 × 7 × 470779
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6590906
Product of the distinct prime numbers
The prime factorization of 13181812 is 2 × 2 × 7 × 470779.
Since it has a total of 4 prime factors.
3 , 7 , 39 , 47 , 211 , 822 , 555 , 1130 , 52314 , 65195 , 58260 , 358909 , 2031160 , 2254061 , 19119733 , 68463982 , 93042779 , 608848591 , 2671671590 , 3751229626
n×2
26363624
n×3
39545436
n×4
52727248
n×5
65909060
n÷2
6590906
n÷3
4393937.3333333
n÷3
3295453
n÷5
2636362.4
n2
173760167603344
n3
2.2904738624358E+21
n4
3.0192595845542E+28
n5
3.9799312222792E+35
2 √n
3630.6765209806
3 √n
236.22455405603
4 √n
60.255095394337
5 √n
26.545751385136
1 , 2 , 4 , 7 , 14 , 28 , 470779 , 941558 , 1883116 , 3295453 , 6590906 , 13181812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13181811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13181812 can be divided by 12 positive divisors.
The sum of these divisors (counting 13181812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110010010010001101110100
3
Ternary
220210201001021
4
Quaternary
302102031310
5
Quinary
11333304222
6
Senary
1150310524
8
Octal
62221564
10
Decimal
13181812
12
Duodecimal
44b8444
16
Hexadecimal
c92374
20
Vigesimal
427eac
36
Base36
7uj5g
md5
038dedfcbafef88e4255b25cde8125c5
sha1
a75c2cf70054c79dc706dc57e0b1bb3d790362f8
sha256
feba3a4d360b333f4b17c2762fc639018566ccd1d2e4c6f85541dc351ba602ea
sha512
3e65c2d5426f8db90aa5956b9f65733c17f969a5835a5784e0c7969fae5282bfef37d9d642dc9f9855066ab15fd9753b59bc7a1a223423e73f81d13543b1edd8
ripemd-160
76aaae0147315b33bca0a1721f0999edd41e5aa6
Diameter
26363624
Circumference
82823767.480404
Area
5.458836660292E+14
Volume
9.5943144792902E+21
Surface area
2.1835346641168E+15
Circumference
82823767.480404
Perimeter
52727248
Area
173760167603344
Diagonal
18641897.307052
Surface area
1042561005620064
Volume
2.2904738624358E+21
Space diagonal
22831568.119821
Perimeter
39545436
Area
75240359655169
Altitude
11415784.059911
Surface area
75240359655169
Volume
2.6993493337648E+20
Height
6213965.7690175