12887939 is an odd 8-digits composite number following 12887938
and preceding 12887940 . In scientific notation, it is written as 1.2887939 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 12852456 positive integers (up to 12887939) that are relatively prime to 12887939.
12887939 has 4 divisors, whose sum is 12923424
The reverse of 12887939 is 93978821
Previous prime number is 35117
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twelve million eight hundred eighty-seven thousand nine hundred thirty-nine
Scientific notation
1.2887939 × 10^7
Engineering notation
1.2887939 × 10^6
Prime Factorization
35117 × 367
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12887939
Product of the distinct prime numbers
The prime factorization of 12887939 is 35117 × 367.
Since it has a total of 2 prime factors.
1 , 7 , 29 , 9 , 219 , 687 , 2910 , 9024 , 40608 , 15445 , 352400 , 871233 , 3154663 , 9725215 , 91663954 , 61111076 , 949386774 , 447550300 , 7864897258 , 6214500896
n×2
25775878
n×3
38663817
n×4
51551756
n×5
64439695
n÷2
6443969.5
n÷3
4295979.6666667
n÷3
3221984.75
n÷5
2577587.8
n2
166098971667721
n3
2.1406734148163E+21
n4
2.7588868389074E+28
n5
3.5556365287742E+35
2 √n
3589.9775765316
3 √n
234.45589525184
4 √n
59.91642159318
5 √n
26.426320289197
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
-12887938
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 12887939 can be divided by 4 positive divisors.
The sum of these divisors (counting 12887939) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001010011110000011
3
Ternary
220020202221002
4
Quaternary
301022132003
5
Quinary
11244403224
6
Senary
1140122215
8
Octal
61123603
10
Decimal
12887939
12
Duodecimal
439636b
16
Hexadecimal
c4a783
20
Vigesimal
40ajgj
36
Base36
7o8eb
md5
b68b68ffdb745eb00bcecc3d25e01bff
sha1
91447bbe190717c28c5e5fdf054c3e0fc1fb931a
sha256
faf4c13d7f1a237816892170cd2d6dbe1657a07466ad7adab2acafa4477b2b0b
sha512
d38a9c1e190631d37be3da02a42072963eca86bec52c380f258d782a01a8669b30de4fd114920c5794e51d5b4874713f9d3e00c8397e2506009c1c2e7acd6c6f
ripemd-160
d17f0ab42eaae8c99c6759006283fd52c2a3249c
Diameter
25775878
Circumference
80977308.964627
Area
5.2181530916013E+14
Volume
8.9668318316292E+21
Surface area
2.0872612366405E+15
Circumference
80977308.964627
Perimeter
51551756
Area
166098971667721
Diagonal
18226298.124837
Surface area
996593830006326
Volume
2.1406734148163E+21
Space diagonal
22322565.152848
Perimeter
38663817
Area
71922964503359
Altitude
11161282.576424
Surface area
71922964503359
Volume
2.522807813204E+20
Height
6075432.708279