12561956 is an even 8-digits composite number following 12561955
and preceding 12561957 . In scientific notation, it is written as 1.2561956 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 5461280 positive integers (up to 12561956) that are relatively prime to 12561956.
12561956 has 12 divisors, whose sum is 22072092
The reverse of 12561956 is 65916521
Previous prime number is 253
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million five hundred sixty-one thousand nine hundred fifty-six
Scientific notation
1.2561956 × 10^7
Engineering notation
1.2561956 × 10^6
Prime Factorization
2 × 2 × 253 × 12413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6280978
Product of the distinct prime numbers
The prime factorization of 12561956 is 2 × 2 × 253 × 12413.
Since it has a total of 4 prime factors.
3 , 5 , 80 , 60 , 675 , 994 , 8480 , 3133 , 9913 , 54655 , 266627 , 713453 , 9613113 , 1917006 , 30479439 , 43593496 , 742770390 , 114651506 , 8140035660 , 3678860163
n×2
25123912
n×3
37685868
n×4
50247824
n×5
62809780
n÷2
6280978
n÷3
4187318.6666667
n÷3
3140489
n÷5
2512391.2
n2
157802738545936
n3
1.9823110582936E+21
n4
2.4901704292597E+28
n5
3.1281411364862E+35
2 √n
3544.2849772556
3 √n
232.46224229802
4 √n
59.533897715971
5 √n
26.291263241999
1 , 2 , 4 , 253 , 506 , 1012 , 12413 , 24826 , 49652 , 3140489 , 6280978 , 12561956
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12561955
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12561956 can be divided by 12 positive divisors.
The sum of these divisors (counting 12561956) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101111111010111000100100
3
Ternary
212122012202122
4
Quaternary
233322320210
5
Quinary
11203440311
6
Senary
1125125112
8
Octal
57727044
10
Decimal
12561956
12
Duodecimal
4259798
16
Hexadecimal
bfae24
20
Vigesimal
3ia4hg
36
Base36
7h8v8
md5
dc466be345ea6abd23ed326355a49ae2
sha1
2ecb75422c936a41f1391e3bfcf6490489fa06c5
sha256
ac713988363722328000a64373e99d1f2fd44ed4353a4440940b6c6e0ca8b732
sha512
8b7d31a259b73ff4f1c1c31ae77048e14a79e826de0f632c79e5191f940f0ce3686af9f996b618690fcb98ace2bcf3a968bb6d50052314b3abc271e7bc0a7f49
ripemd-160
167888903c4b9521743eed4028c5d7baaa4a981c
Diameter
25123912
Circumference
78929097.368636
Area
4.9575192413226E+14
Volume
8.3034851438198E+21
Surface area
1.9830076965291E+15
Circumference
78929097.368636
Perimeter
50247824
Area
157802738545936
Diagonal
17765288.545134
Surface area
946816431275616
Volume
1.9823110582936E+21
Space diagonal
21757946.034445
Perimeter
37685868
Area
68330590183767
Altitude
10878973.017222
Surface area
68330590183767
Volume
2.3361759862341E+20
Height
5921762.848378