12887956 is an even 8-digits composite number following 12887955
and preceding 12887957 . In scientific notation, it is written as 1.2887956 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 6436800 positive integers (up to 12887956) that are relatively prime to 12887956.
12887956 has 12 divisors, whose sum is 22579060
The reverse of 12887956 is 65978821
Previous prime number is 1789
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twelve million eight hundred eighty-seven thousand nine hundred fifty-six
Scientific notation
1.2887956 × 10^7
Engineering notation
1.2887956 × 10^6
Prime Factorization
2 × 2 × 1789 × 1801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6443978
Product of the distinct prime numbers
The prime factorization of 12887956 is 2 × 2 × 1789 × 1801.
Since it has a total of 4 prime factors.
9 , 1 , 29 , 88 , 730 , 497 , 6667 , 5061 , 22412 , 44730 , 748003 , 326176 , 7847461 , 6880586 , 37515061 , 19822644 , 86595452 , 389042711 , 8650606309 , 53839821
n×2
25775912
n×3
38663868
n×4
51551824
n×5
64439780
n÷2
6443978
n÷3
4295985.3333333
n÷3
3221989
n÷5
2577591.2
n2
166099409857936
n3
2.140681885875E+21
n4
2.7589013955155E+28
n5
3.5556599793742E+35
2 √n
3589.9799442337
3 √n
234.45599833914
4 √n
59.91644135155
5 √n
26.426327260788
1 , 2 , 4 , 1789 , 1801 , 3578 , 3602 , 7156 , 7204 , 3221989 , 6443978 , 12887956
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
-12887955
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 12887956 can be divided by 12 positive divisors.
The sum of these divisors (counting 12887956) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110001001010011110010100
3
Ternary
220020202221201
4
Quaternary
301022132110
5
Quinary
11244403311
6
Senary
1140122244
8
Octal
61123624
10
Decimal
12887956
12
Duodecimal
4396384
16
Hexadecimal
c4a794
20
Vigesimal
40ajhg
36
Base36
7o8es
md5
148808f08c2c0f7858a95b38d5aa8632
sha1
5732f1c76bd9d27ba4889519b49b7627755c8e56
sha256
33a06b76ee8f215137d198d38ecc5e5aa468dbd5671a6073161ab8150325c36e
sha512
57f8ab56151f4989f1341d30a0cd1a5b4f7b17e6792ced81c38392ee8014a6efcbe418c0a6276116c5dceb36d247b46ce40fe84a9819a78543ca68894eba5ea6
ripemd-160
ab853080b0450898107fc562a5fed4161b8516f4
Diameter
25775912
Circumference
80977415.778777
Area
5.2181668577529E+14
Volume
8.966867315117E+21
Surface area
2.0872667431012E+15
Circumference
80977415.778777
Perimeter
51551824
Area
166099409857936
Diagonal
18226322.166468
Surface area
996596459147616
Volume
2.140681885875E+21
Space diagonal
22322594.597712
Perimeter
38663868
Area
71923154245288
Altitude
11161297.298856
Surface area
71923154245288
Volume
2.5228177964424E+20
Height
6075440.7221559