12912808 is an even 8-digits composite number following 12912807
and preceding 12912809 . In scientific notation, it is written as 1.2912808 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 6378288 positive integers (up to 12912808) that are relatively prime to 12912808.
12912808 has 16 divisors, whose sum is 24504480
The reverse of 12912808 is 80821921
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million nine hundred twelve thousand eight hundred eight
Scientific notation
1.2912808 × 10^7
Engineering notation
1.2912808 × 10^6
Prime Factorization
2 × 2 × 2 × 83 × 19447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3228202
Product of the distinct prime numbers
The prime factorization of 12912808 is 2 × 2 × 2 × 83 × 19447.
Since it has a total of 5 prime factors.
8 , 7 , 41 , 88 , 250 , 130 , 374 , 9591 , 16541 , 47932 , 64903 , 271649 , 3982307 , 6816793 , 34398255 , 48933046 , 770487672 , 555025671 , 3916565152 , 2550923739
n×2
25825616
n×3
38738424
n×4
51651232
n×5
64564040
n÷2
6456404
n÷3
4304269.3333333
n÷3
3228202
n÷5
2582561.6
n2
166740610444864
n3
2.1530894884773E+21
n4
2.7802431171526E+28
n5
3.5900745565113E+35
2 √n
3593.4395778975
3 √n
234.6066030134
4 √n
59.945304886183
5 √n
26.436511049514
1 , 2 , 4 , 8 , 83 , 166 , 332 , 664 , 19447 , 38894 , 77788 , 155576 , 1614101 , 3228202 , 6456404 , 12912808
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
-12912807
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 12912808 can be divided by 16 positive divisors.
The sum of these divisors (counting 12912808) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001010000100010101000
3
Ternary
220022001001011
4
Quaternary
301100202220
5
Quinary
11301202213
6
Senary
1140433304
8
Octal
61204250
10
Decimal
12912808
12
Duodecimal
43a8834
16
Hexadecimal
c508a8
20
Vigesimal
40e208
36
Base36
7orl4
md5
5896fd465195c3487022891bf8b2f08e
sha1
10b20cd09676e7208199843b48b9e76adb371579
sha256
9f216f93a0715d49ea57a8699bed13864551a5163847537cd22f144787a578f3
sha512
0941c2c4f6b8fd8aa5ff4afb71ed4b3023cbd1c96393f2eb557ff6d5cd99f96349709c00cd952454c58f0130b144fa49e1d02c8cb2e14b05631c92c5d2d87d68
ripemd-160
aef1d0bb6fbded4b208370a020a6739a75ad86c3
Diameter
25825616
Circumference
81133565.500031
Area
5.2383107682866E+14
Volume
9.0188401593624E+21
Surface area
2.0953243073146E+15
Circumference
81133565.500031
Perimeter
51651232
Area
166740610444864
Diagonal
18261468.20192
Surface area
1000443662669184
Volume
2.1530894884773E+21
Space diagonal
22365639.524382
Perimeter
38738424
Area
72200802243889
Altitude
11182819.762191
Surface area
72200802243889
Volume
2.5374402963397E+20
Height
6087156.0673066