12806988 is an even 8-digits composite number following 12806987
and preceding 12806989 . In scientific notation, it is written as 1.2806988 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 4044240 positive integers (up to 12806988) that are relatively prime to 12806988.
12806988 has 24 divisors, whose sum is 31456320
The reverse of 12806988 is 88960821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twelve million eight hundred six thousand nine hundred eighty-eight
Scientific notation
1.2806988 × 10^7
Engineering notation
1.2806988 × 10^6
Prime Factorization
2 × 2 × 19 × 3 × 56171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6403494
Product of the distinct prime numbers
The prime factorization of 12806988 is 2 × 2 × 19 × 3 × 56171.
Since it has a total of 5 prime factors.
1 , 10 , 2 , 39 , 831 , 126 , 4393 , 1599 , 27727 , 87470 , 108286 , 127644 , 3488073 , 9918234 , 62185697 , 2876669 , 681228346 , 401765117 , 6691922123 , 6641499662
n×2
25613976
n×3
38420964
n×4
51227952
n×5
64034940
n÷2
6403494
n÷3
4268996
n÷3
3201747
n÷5
2561397.6
n2
164018941632144
n3
2.1005886172556E+21
n4
2.6902213214129E+28
n5
3.4453632180679E+35
2 √n
3578.6852334342
3 √n
233.96398013764
4 √n
59.822113247813
5 √n
26.393039061822
1 , 2 , 3 , 4 , 6 , 12 , 19 , 38 , 57 , 76 , 114 , 228 , 56171 , 112342 , 168513 , 224684 , 337026 , 674052 , 1067249 , 2134498 , 3201747 , 4268996 , 6403494 , 12806988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12806987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12806988 can be divided by 24 positive divisors.
The sum of these divisors (counting 12806988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000110110101101001100
3
Ternary
220002122212220
4
Quaternary
300312231030
5
Quinary
11234310423
6
Senary
1134255340
8
Octal
60665514
10
Decimal
12806988
12
Duodecimal
4357550
16
Hexadecimal
c36b4c
20
Vigesimal
400h98
36
Base36
7mhxo
md5
2daae84cff085c69fca1e2e28898e1c2
sha1
1e981dabd16803a8a48bccc2bc7324f116d5ee10
sha256
39722a5064b488276acea8a00ba8845824f877fc832f2e949e685724e10d89a4
sha512
259a81c0016cf9788a3ff049f9ac72f42be7e4f2216319b025af365a0708bf2c61d84b283cd419d8469222bef6d74b3e7f8ea480426744cbe07cf593db2aa901
ripemd-160
5ee8cbdf0f49f41e20065f97429878b848451fa6
Diameter
25613976
Circumference
80468678.830825
Area
5.1528070208112E+14
Volume
8.7989250242459E+21
Surface area
2.0611228083245E+15
Circumference
80468678.830825
Perimeter
51227952
Area
164018941632144
Diagonal
18111816.122749
Surface area
984113649792864
Volume
2.1005886172556E+21
Space diagonal
22182353.907925
Perimeter
38420964
Area
71022285077637
Altitude
11091176.953962
Surface area
71022285077637
Volume
2.4755674262411E+20
Height
6037272.0409165