13187812 is an even 8-digits composite number following 13187811
and preceding 13187813 . In scientific notation, it is written as 1.3187812 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 5994440 positive integers (up to 13187812) that are relatively prime to 13187812.
13187812 has 12 divisors, whose sum is 25176816
The reverse of 13187812 is 21878131
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirteen million one hundred eighty-seven thousand eight hundred twelve
Scientific notation
1.3187812 × 10^7
Engineering notation
1.3187812 × 10^6
Prime Factorization
2 × 2 × 11 × 299723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6593906
Product of the distinct prime numbers
The prime factorization of 13187812 is 2 × 2 × 11 × 299723.
Since it has a total of 4 prime factors.
8 , 3 , 19 , 4 , 798 , 984 , 639 , 510 , 41476 , 84286 , 229784 , 97296 , 5496451 , 981041 , 87704616 , 71835032 , 768209089 , 987390680 , 9899944700 , 2043726041
n×2
26375624
n×3
39563436
n×4
52751248
n×5
65939060
n÷2
6593906
n÷3
4395937.3333333
n÷3
3296953
n÷5
2637562.4
n2
173918385347344
n3
2.2936029693043E+21
n4
3.0247604761827E+28
n5
3.9889972504928E+35
2 √n
3631.502719261
3 √n
236.26038960309
4 √n
60.261950841812
5 √n
26.548167525152
1 , 2 , 4 , 11 , 22 , 44 , 299723 , 599446 , 1198892 , 3296953 , 6593906 , 13187812
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
-13187811
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 13187812 can be divided by 12 positive divisors.
The sum of these divisors (counting 13187812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110010010011101011100100
3
Ternary
220211000021111
4
Quaternary
302103223210
5
Quinary
11334002222
6
Senary
1150354404
8
Octal
62235344
10
Decimal
13187812
12
Duodecimal
44bba04
16
Hexadecimal
c93ae4
20
Vigesimal
4289ac
36
Base36
7uns4
md5
f14c8a5c9878d07e1451f8cf4cb58142
sha1
36d1909664e264fd21fd431902493d2d03c77eb7
sha256
24a876a2a0de0a9ebbfe4b1475a4d2947ec0ceb56b1d1c2248493bf2edc644ef
sha512
bdf5825bdf046f584acb633f82e5073841a48a5c692aa35a0cb7ce3c21eaae466fd2eb3893de3dd2190d7a86ec3ccdaadfb0771eb455889640c88d08af5478e6
ripemd-160
7580e408c2b720a9e2b7a591af6423cedd555592
Diameter
26375624
Circumference
82861466.592247
Area
5.4638072173141E+14
Volume
9.6074216514909E+21
Surface area
2.1855228869257E+15
Circumference
82861466.592247
Perimeter
52751248
Area
173918385347344
Diagonal
18650382.588427
Surface area
1043510312084064
Volume
2.2936029693043E+21
Space diagonal
22841960.424667
Perimeter
39563436
Area
75308869947986
Altitude
11420980.212333
Surface area
75308869947986
Volume
2.7030370215745E+20
Height
6216794.1961422