12156986 is an even 8-digits composite number following 12156985
and preceding 12156987 . In scientific notation, it is written as 1.2156986 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 6078492 positive integers (up to 12156986) that are relatively prime to 12156986.
12156986 has 4 divisors, whose sum is 18235482
The reverse of 12156986 is 68965121
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million one hundred fifty-six thousand nine hundred eighty-six
Scientific notation
1.2156986 × 10^7
Engineering notation
1.2156986 × 10^6
Prime Factorization
2 × 6078493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12156986
Product of the distinct prime numbers
The prime factorization of 12156986 is 2 × 6078493.
Since it has a total of 2 prime factors.
7 , 1 , 12 , 21 , 995 , 705 , 610 , 9990 , 56937 , 93576 , 323059 , 77694 , 1777856 , 1529330 , 9046240 , 78083219 , 98485490 , 423591465 , 2511761094 , 3184917100
n×2
24313972
n×3
36470958
n×4
48627944
n×5
60784930
n÷2
6078493
n÷3
4052328.6666667
n÷3
3039246.5
n÷5
2431397.2
n2
147792308604196
n3
1.7967090266089E+21
n4
2.1842566482558E+28
n5
2.6553977493253E+35
2 √n
3486.6869661614
3 √n
229.93688249159
4 √n
59.048174960463
5 √n
26.119519500357
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12156985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12156986 can be divided by 4 positive divisors.
The sum of these divisors (counting 12156986) is 1, the average is 0.25.
Base
System
Value
2
Binary
101110011000000000111010
3
Ternary
211212122020202
4
Quaternary
232120000322
5
Quinary
11103010421
6
Senary
1112322202
8
Octal
56300072
10
Decimal
12156986
12
Duodecimal
40a3362
16
Hexadecimal
b9803a
20
Vigesimal
3fjc96
36
Base36
78ke2
md5
7576b952d45487a9de81122f8d25b9b2
sha1
ab943e6e42e6a0570246942e5989fe75477c88a7
sha256
faa70b4423b5bf904d46cfa7b97d654e94f193f8c13499a23c3b148f03a0a96c
sha512
f73c53185a227958fe0a05e5bb0a6cf4a06a3b1ebce4491ac103e8b9db9200c3a9f7a9ccce3e5eeeccb23dabe0ca68426a5aead3975069d86121505468d917e7
ripemd-160
a86f8350d5cd6b94104a3b57df5c9041c719a76d
Diameter
24313972
Circumference
76384595.814788
Area
4.6430323096802E+14
Volume
7.5260371715106E+21
Surface area
1.8572129238721E+15
Circumference
76384595.814788
Perimeter
48627944
Area
147792308604196
Diagonal
17192574.47878
Surface area
886753851625176
Volume
1.7967090266089E+21
Space diagonal
21056517.418904
Perimeter
36470958
Area
63995946867592
Altitude
10528258.709452
Surface area
63995946867592
Volume
2.1174418942237E+20
Height
5730858.1595933