12887620 is an even 8-digits composite number following 12887619
and preceding 12887621 . In scientific notation, it is written as 1.2887620 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 5155040 positive integers (up to 12887620) that are relatively prime to 12887620.
12887620 has 12 divisors, whose sum is 27064044
The reverse of 12887620 is 02678821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million eight hundred eighty-seven thousand six hundred twenty
Scientific notation
1.2887620 × 10^7
Engineering notation
1.2887620 × 10^6
Prime Factorization
2 × 2 × 5 × 644381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6443810
Product of the distinct prime numbers
The prime factorization of 12887620 is 2 × 2 × 5 × 644381.
Since it has a total of 4 prime factors.
1 , 9 , 85 , 38 , 985 , 306 , 5065 , 4235 , 85012 , 80784 , 284536 , 624569 , 7144420 , 3869747 , 46054270 , 46701371 , 643228781 , 790600060 , 2584807376 , 9877005223
n×2
25775240
n×3
38662860
n×4
51550480
n×5
64438100
n÷2
6443810
n÷3
4295873.3333333
n÷3
3221905
n÷5
2577524
n2
166090749264400
n3
2.1405144620349E+21
n4
2.758613699121E+28
n5
3.5551965081066E+35
2 √n
3589.9331470098
3 √n
234.45396083218
4 √n
59.916050829555
5 √n
26.426189467975
1 , 2 , 4 , 5 , 10 , 20 , 644381 , 1288762 , 2577524 , 3221905 , 6443810 , 12887620
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
-12887619
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 12887620 can be divided by 12 positive divisors.
The sum of these divisors (counting 12887620) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110001001010011001000100
3
Ternary
220020202111021
4
Quaternary
301022121010
5
Quinary
11244400440
6
Senary
1140120524
8
Octal
61123104
10
Decimal
12887620
12
Duodecimal
4396144
16
Hexadecimal
c4a644
20
Vigesimal
40aj10
36
Base36
7o85g
md5
2091b90f03411dff988136f7990ab2a4
sha1
211cd547cdf0bcb97d89739413e74261384addc4
sha256
f8b1a155bc3fa2b4f58fb2bf5afe9bdc890f84ffb2d404add2ab75f6f5770afe
sha512
df95f97d5b5abccc0a8af8ce2a553ecf0cdd9d99de94e3d2bec764c439e51f179e0eba9a18d4ed3cbbac16fb6b95e141cf8569ef28e2834df7ada15810fea51a
ripemd-160
81b4d20ef8e775aa5bf4ca07ed4eb6f3650ade84
Diameter
25775240
Circumference
80975304.628514
Area
5.2178947771826E+14
Volume
8.9661660117753E+21
Surface area
2.0871579108731E+15
Circumference
80975304.628514
Perimeter
51550480
Area
166090749264400
Diagonal
18225846.990711
Surface area
996544495586400
Volume
2.1405144620349E+21
Space diagonal
22322012.628641
Perimeter
38662860
Area
71919404098281
Altitude
11161006.31432
Surface area
71919404098281
Volume
2.5226204855545E+20
Height
6075282.3302369