12931808 is an even 8-digits composite number following 12931807
and preceding 12931809 . In scientific notation, it is written as 1.2931808 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 12 positive divisors.
There are 6465888 positive integers (up to 12931808) that are relatively prime to 12931808.
12931808 has 12 divisors, whose sum is 25459560
The reverse of 12931808 is 80813921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million nine hundred thirty-one thousand eight hundred eight
Scientific notation
1.2931808 × 10^7
Engineering notation
1.2931808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 404119
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
808238
Product of the distinct prime numbers
The prime factorization of 12931808 is 2 × 2 × 2 × 2 × 2 × 404119.
Since it has a total of 6 prime factors.
8 , 9 , 21 , 91 , 487 , 561 , 4167 , 2909 , 34560 , 76803 , 574129 , 398453 , 8855491 , 2240278 , 73565847 , 40712407 , 596367171 , 689128929 , 6693656073 , 640837785
n×2
25863616
n×3
38795424
n×4
51727232
n×5
64659040
n÷2
6465904
n÷3
4310602.6666667
n÷3
3232952
n÷5
2586361.6
n2
167231658148864
n3
2.1626076947027E+21
n4
2.7966427487219E+28
n5
3.6165647071063E+35
2 √n
3596.0823127398
3 √n
234.72161391224
4 √n
59.967343719226
5 √n
26.444286249753
1 , 2 , 4 , 8 , 16 , 32 , 404119 , 808238 , 1616476 , 3232952 , 6465904 , 12931808
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
-12931807
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 12931808 can be divided by 12 positive divisors.
The sum of these divisors (counting 12931808) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110001010101001011100000
3
Ternary
220100000002212
4
Quaternary
301111023200
5
Quinary
11302304213
6
Senary
1141101252
8
Octal
61251340
10
Decimal
12931808
12
Duodecimal
43b7828
16
Hexadecimal
c552e0
20
Vigesimal
40g9a8
36
Base36
7p68w
md5
4ec7e12ebd966683a2bfc59fe6d52b1b
sha1
0c4c2eb12d195f16c7e449ac32edaa8afdfd1e98
sha256
2406dd76f6ac0bb986c5c30001553389029e8ead4d45a71c419023d5878cdb8f
sha512
a074fc1d7452025068df887c4a36b4c56c217cd7f340b6830769edf31b607a72de789af4b137f4dce241a03c0435f6c901b3c3fa81d692f53bec412d07d57954
ripemd-160
b09153dacbb31163e67ffd16b9fa1e9ce4fc0b0a
Diameter
25863616
Circumference
81252946.020867
Area
5.2537374868811E+14
Volume
9.0587099283665E+21
Surface area
2.1014949947524E+15
Circumference
81252946.020867
Perimeter
51727232
Area
167231658148864
Diagonal
18288338.259605
Surface area
1003389948893184
Volume
2.1626076947027E+21
Space diagonal
22398548.489726
Perimeter
38795424
Area
72413432136956
Altitude
11199274.244863
Surface area
72413432136956
Volume
2.5486576099509E+20
Height
6096112.7532016