12156961 is an odd 8-digits composite number following 12156960
and preceding 12156962 . In scientific notation, it is written as 1.2156961 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 12148372 positive integers (up to 12156961) that are relatively prime to 12156961.
12156961 has 4 divisors, whose sum is 12165552
The reverse of 12156961 is 16965121
Previous prime number is 1787
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million one hundred fifty-six thousand nine hundred sixty-one
Scientific notation
1.2156961 × 10^7
Engineering notation
1.2156961 × 10^6
Prime Factorization
1787 × 6803
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12156961
Product of the distinct prime numbers
The prime factorization of 12156961 is 1787 × 6803.
Since it has a total of 2 prime factors.
5 , 7 , 80 , 67 , 479 , 10 , 8154 , 1524 , 90110 , 15203 , 984116 , 694973 , 7800258 , 3370989 , 34129965 , 94914253 , 638848691 , 679859440 , 7125014804 , 205085821
n×2
24313922
n×3
36470883
n×4
48627844
n×5
60784805
n÷2
6078480.5
n÷3
4052320.3333333
n÷3
3039240.25
n÷5
2431392.2
n2
147791700755521
n3
1.7966979422085E+21
n4
2.1842386812209E+28
n5
2.6553704462294E+35
2 √n
3486.6833810944
3 √n
229.93672487506
4 √n
59.048144603319
5 √n
26.119508757752
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
-12156960
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 12156961 can be divided by 4 positive divisors.
The sum of these divisors (counting 12156961) is 1, the average is 0.25.
Base
System
Value
2
Binary
101110011000000000100001
3
Ternary
211212122012211
4
Quaternary
232120000201
5
Quinary
11103010321
6
Senary
1112322121
8
Octal
56300041
10
Decimal
12156961
12
Duodecimal
40a3341
16
Hexadecimal
b98021
20
Vigesimal
3fjc81
36
Base36
78kdd
md5
0040448f5b4b7e5722c406adc361d952
sha1
df369542b98f9cdcf4a5012814b1ac09b3793428
sha256
a36b3acd8db8bacaae08cefa96b251bf7ebfe46e1092b423681bced0e5a923d4
sha512
db3bfc517b96557c68c571712557f9033af57152047991b6952a5cc038dfa813094241c43b57401bf0b9c62acb9f29bec99059fcf0295f2a1a98995bd54aba9e
ripemd-160
4be58bbf26c29ff6f3d59888a708b3948f7ec714
Diameter
24313922
Circumference
76384438.735155
Area
4.6430132135509E+14
Volume
7.525990741283E+21
Surface area
1.8572052854203E+15
Circumference
76384438.735155
Perimeter
48627844
Area
147791700755521
Diagonal
17192539.123441
Surface area
886750204533126
Volume
1.7966979422085E+21
Space diagonal
21056474.117633
Perimeter
36470883
Area
63995683661394
Altitude
10528237.058817
Surface area
63995683661394
Volume
2.1174288311326E+20
Height
5730846.3744803