12691285 is an odd 8-digits composite number following 12691284
and preceding 12691286 . In scientific notation, it is written as 1.2691285 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 9711504 positive integers (up to 12691285) that are relatively prime to 12691285.
12691285 has 8 divisors, whose sum is 15891840
The reverse of 12691285 is 58219621
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million six hundred ninety-one thousand two hundred eighty-five
Scientific notation
1.2691285 × 10^7
Engineering notation
1.2691285 × 10^6
Prime Factorization
5 × 23 × 110359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12691285
Product of the distinct prime numbers
The prime factorization of 12691285 is 5 × 23 × 110359.
Since it has a total of 3 prime factors.
5 , 10 , 82 , 66 , 424 , 98 , 1456 , 7767 , 27118 , 56231 , 674312 , 759176 , 9930523 , 8541830 , 74672553 , 97425486 , 334226777 , 102794952 , 1046999456 , 277148497
n×2
25382570
n×3
38073855
n×4
50765140
n×5
63456425
n÷2
6345642.5
n÷3
4230428.3333333
n÷3
3172821.25
n÷5
2538257
n2
161068714951225
n3
2.0441689660298E+21
n4
2.5943130936039E+28
n5
3.2925166850159E+35
2 √n
3562.4829824155
3 √n
233.25727566434
4 √n
59.686539373761
5 √n
26.345176918298
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
-12691284
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 12691285 can be divided by 8 positive divisors.
The sum of these divisors (counting 12691285) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000011010011101010101
3
Ternary
212212210011121
4
Quaternary
300122131111
5
Quinary
11222110120
6
Senary
1132003541
8
Octal
60323525
10
Decimal
12691285
12
Duodecimal
43005b1
16
Hexadecimal
c1a755
20
Vigesimal
3j6845
36
Base36
7k0np
md5
4c880a42c733644c4033b7492b946cc1
sha1
6f4f961f355c89498bedef2d9cba9d7fec807170
sha256
d91d68154f72738936c679d33a191d2c63456864a2ccab69e6d9c044307cf858
sha512
3f48589ca76f7b0359d82f23e002d4f6699596174b8da1d1d86a94c2cdccd6034040d16bd91bd4d9997d4eab23590db3fa980e9e80aca76ba7245df6c2765ed1
ripemd-160
7d2d65e85a7a450b12a57f2f4cc35bdeb751675b
Diameter
25382570
Circumference
79741695.441229
Area
5.0601229161392E+14
Volume
8.5625949418338E+21
Surface area
2.0240491664557E+15
Circumference
79741695.441229
Perimeter
50765140
Area
161068714951225
Diagonal
17948187.370942
Surface area
966412289707350
Volume
2.0441689660298E+21
Space diagonal
21981950.433337
Perimeter
38073855
Area
69744799451338
Altitude
10990975.216668
Surface area
69744799451338
Volume
2.4090762296179E+20
Height
5982729.1236474