12561690 is an even 8-digits composite number following 12561689
and preceding 12561691 . In scientific notation, it is written as 1.2561690 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 3201600 positive integers (up to 12561690) that are relatively prime to 12561690.
12561690 has 16 divisors, whose sum is 20528640
The reverse of 12561690 is 09616521
Previous prime number is 8909
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million five hundred sixty-one thousand six hundred ninety
Scientific notation
1.2561690 × 10^7
Engineering notation
1.2561690 × 10^6
Prime Factorization
2 × 15 × 8909 × 47
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12561690
Product of the distinct prime numbers
The prime factorization of 12561690 is 2 × 15 × 8909 × 47.
Since it has a total of 4 prime factors.
1 , 6 , 46 , 34 , 666 , 801 , 8038 , 7704 , 15520 , 15087 , 173202 , 201332 , 5660015 , 6316337 , 39339893 , 58341048 , 30264161 , 585149830 , 2239276594 , 4189104641
n×2
25123380
n×3
37685070
n×4
50246760
n×5
62808450
n÷2
6280845
n÷3
4187230
n÷3
3140422.5
n÷5
2512338
n2
157796055656100
n3
1.9821851343747E+21
n4
2.4899595180623E+28
n5
3.1278099578448E+35
2 √n
3544.2474518577
3 √n
232.46060148686
4 √n
59.533582555208
5 √n
26.291151897313
1 , 2 , 15 , 30 , 47 , 94 , 705 , 1410 , 8909 , 17818 , 133635 , 267270 , 418723 , 837446 , 6280845 , 12561690
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12561689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12561690 can be divided by 16 positive divisors.
The sum of these divisors (counting 12561690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111111010110100011010
3
Ternary
212122012101210
4
Quaternary
233322310122
5
Quinary
11203433230
6
Senary
1125123550
8
Octal
57726432
10
Decimal
12561690
12
Duodecimal
42595b6
16
Hexadecimal
bfad1a
20
Vigesimal
3ia44a
36
Base36
7h8nu
md5
e03c1df4763d4109e7bfaf398da8bfbd
sha1
8b422b125cc133df18238fabf1b5e4dbc2601578
sha256
b23a6a49e542796dc3a56cbd7cd24ee4c451aabeaae520fa84bd0b511d771d42
sha512
cca390a9c62f4cd5bb34643dabd20cf74a5374adf4f79df3449eca9a08646cbf5744bebb0c2ed674b1a01ecf5919ea6af08f33ccb8696740254de90b5518f24f
ripemd-160
c033bf73e64cba023838fad2e44cd0bb9c5c876f
Diameter
25123380
Circumference
78927426.041345
Area
4.9573092921465E+14
Volume
8.3029576749418E+21
Surface area
1.9829237168586E+15
Circumference
78927426.041345
Perimeter
50246760
Area
157796055656100
Diagonal
17764912.364326
Surface area
946776333936600
Volume
1.9821851343747E+21
Space diagonal
21757485.30893
Perimeter
37685070
Area
68327696407583
Altitude
10878742.654465
Surface area
68327696407583
Volume
2.3360275834725E+20
Height
5921637.4547755