12886979 is an odd 8-digits composite number following 12886978
and preceding 12886980 . In scientific notation, it is written as 1.2886979 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 10689480 positive integers (up to 12886979) that are relatively prime to 12886979.
12886979 has 8 divisors, whose sum is 15203328
The reverse of 12886979 is 97968821
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twelve million eight hundred eighty-six thousand nine hundred seventy-nine
Scientific notation
1.2886979 × 10^7
Engineering notation
1.2886979 × 10^6
Prime Factorization
7 × 31 × 59387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12886979
Product of the distinct prime numbers
The prime factorization of 12886979 is 7 × 31 × 59387.
Since it has a total of 3 prime factors.
5 , 6 , 15 , 8 , 995 , 792 , 3393 , 219 , 88891 , 3766 , 919293 , 476231 , 828174 , 1622482 , 71755405 , 7435948 , 538360069 , 317205991 , 2076190900 , 8008688787
n×2
25773958
n×3
38660937
n×4
51547916
n×5
64434895
n÷2
6443489.5
n÷3
4295659.6666667
n÷3
3221744.75
n÷5
2577395.8
n2
166074227746441
n3
2.1401950854096E+21
n4
2.7580649121577E+28
n5
3.5543124603613E+35
2 √n
3589.8438684712
3 √n
234.45007370431
4 √n
59.91530579469
5 √n
26.425926587405
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12886978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12886979 can be divided by 8 positive divisors.
The sum of these divisors (counting 12886979) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001010001111000011
3
Ternary
220020201121112
4
Quaternary
301022033003
5
Quinary
11244340404
6
Senary
1140113535
8
Octal
61121703
10
Decimal
12886979
12
Duodecimal
43958ab
16
Hexadecimal
c4a3c3
20
Vigesimal
40ah8j
36
Base36
7o7nn
md5
140ad6347c1351e2197ca08fe1c07219
sha1
55812ed185af1fedefe38508e6e4270862cbdc38
sha256
0aed37e9be4aebc321579e741278b7fb43014e4872ee2d8085ce105aec4a4ac0
sha512
578ab5e4f7619d886dabc8842e02fb6b56cbfaa897d79518a4f0220f3388c28209a3e5aab0c76b0803dbd38013fad2ecb4471f38251cfb70fe09597865bd5d40
ripemd-160
f170006011ce10ed92c861d083a181ad7acc76b1
Diameter
25773958
Circumference
80971277.106732
Area
5.2173757383882E+14
Volume
8.9648282100957E+21
Surface area
2.0869502953553E+15
Circumference
80971277.106732
Perimeter
51547916
Area
166074227746441
Diagonal
18224940.479817
Surface area
996445366478646
Volume
2.1401950854096E+21
Space diagonal
22320902.384073
Perimeter
38660937
Area
71912250071150
Altitude
11160451.192037
Surface area
71912250071150
Volume
2.5222440965921E+20
Height
6074980.1599391