12561285 is an odd 8-digits composite number following 12561284
and preceding 12561286 . In scientific notation, it is written as 1.2561285 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 6090240 positive integers (up to 12561285) that are relatively prime to 12561285.
12561285 has 8 divisors, whose sum is 14616960
The reverse of 12561285 is 58216521
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million five hundred sixty-one thousand two hundred eighty-five
Scientific notation
1.2561285 × 10^7
Engineering notation
1.2561285 × 10^6
Prime Factorization
15 × 11 × 76129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12561285
Product of the distinct prime numbers
The prime factorization of 12561285 is 15 × 11 × 76129.
Since it has a total of 3 prime factors.
4 , 9 , 22 , 48 , 130 , 262 , 7052 , 9505 , 81618 , 44772 , 558138 , 252832 , 8769655 , 8846407 , 36855702 , 6044249 , 136174059 , 406851348 , 9855081653 , 7233700182
n×2
25122570
n×3
37683855
n×4
50245140
n×5
62806425
n÷2
6280642.5
n÷3
4187095
n÷3
3140321.25
n÷5
2512257
n2
157785880851225
n3
1.9819934183483E+21
n4
2.4896384195997E+28
n5
3.1273057735541E+35
2 √n
3544.1903165603
3 √n
232.45810321485
4 √n
59.533102695562
5 √n
26.290982365127
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12561284
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12561285 can be divided by 8 positive divisors.
The sum of these divisors (counting 12561285) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111111010101110000101
3
Ternary
212122011211210
4
Quaternary
233322232011
5
Quinary
11203430120
6
Senary
1125122033
8
Octal
57725605
10
Decimal
12561285
12
Duodecimal
4259319
16
Hexadecimal
bfab85
20
Vigesimal
3ia345
36
Base36
7h8cl
md5
607317329e39111854b05b63ad83f40a
sha1
ce39cf57584d101aac538600e6ecaab19e873354
sha256
299d6411fd0878bfe447e150a9aa72ba95c81c9f1c20b60c1564392be368f3ae
sha512
7a399812b334b5a32e8c6c021d9bcb9a28bb2d9d0d86bef59c649579b625505f2e0f1569e8b9d61191fce70c53159aa82ee3a6f368da3e59c47433c94e07370b
ripemd-160
2f404064d6c04ebea87e8125028fc5f08752c9a3
Diameter
25122570
Circumference
78924881.351295
Area
4.956989641224E+14
Volume
8.3021546167284E+21
Surface area
1.9827958564896E+15
Circumference
78924881.351295
Perimeter
50245140
Area
157785880851225
Diagonal
17764339.607834
Surface area
946715285107350
Volume
1.9819934183483E+21
Space diagonal
21756783.828353
Perimeter
37683855
Area
68323290587833
Altitude
10878391.914176
Surface area
68323290587833
Volume
2.3358016439686E+20
Height
5921446.5359446