12561490 is an even 8-digits composite number following 12561489
and preceding 12561491 . In scientific notation, it is written as 1.2561490 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 5024592 positive integers (up to 12561490) that are relatively prime to 12561490.
12561490 has 8 divisors, whose sum is 22610700
The reverse of 12561490 is 09416521
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million five hundred sixty-one thousand four hundred ninety
Scientific notation
1.2561490 × 10^7
Engineering notation
1.2561490 × 10^6
Prime Factorization
2 × 5 × 1256149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12561490
Product of the distinct prime numbers
The prime factorization of 12561490 is 2 × 5 × 1256149.
Since it has a total of 3 prime factors.
4 , 3 , 79 , 19 , 34 , 714 , 9624 , 5052 , 74316 , 21037 , 971151 , 326147 , 5298424 , 2519864 , 27347996 , 12089281 , 606691313 , 961109047 , 6100072861 , 2705257994
n×2
25122980
n×3
37684470
n×4
50245960
n×5
62807450
n÷2
6280745
n÷3
4187163.3333333
n÷3
3140372.5
n÷5
2512298
n2
157791031020100
n3
1.9820904582487E+21
n4
2.4898009470386E+28
n5
3.1275609698216E+35
2 √n
3544.2192370112
3 √n
232.459367779
4 √n
59.533345588932
5 √n
26.291068178261
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
-12561489
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 12561490 can be divided by 8 positive divisors.
The sum of these divisors (counting 12561490) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111111010110001010010
3
Ternary
212122012010101
4
Quaternary
233322301102
5
Quinary
11203431430
6
Senary
1125123014
8
Octal
57726122
10
Decimal
12561490
12
Duodecimal
425946a
16
Hexadecimal
bfac52
20
Vigesimal
3ia3ea
36
Base36
7h8ia
md5
d17d58b1f5b65712160cc1b9b30fef89
sha1
95e329e1601233913c329089f0b71c535ced9ed1
sha256
5675812d18999d5a1e4aba7c51a391c2aa935793f3f8f8433cea8515449f4081
sha512
4f36c149c3fe9f19abe17b99c00a626fcc449f8b5555e39dd50e7c33099c09b214fb4f340c491b0a9eb478bd5083d0f0ce4092380f849d93f9a24db1ba198025
ripemd-160
11a356136d8b48ffd33323a6ebd7174b5978d3ea
Diameter
25122980
Circumference
78926169.404283
Area
4.9571514385511E+14
Volume
8.3025610965126E+21
Surface area
1.9828605754204E+15
Circumference
78926169.404283
Perimeter
50245960
Area
157791031020100
Diagonal
17764629.521614
Surface area
946746186120600
Volume
1.9820904582487E+21
Space diagonal
21757138.898768
Perimeter
37684470
Area
68325520676372
Altitude
10878569.449384
Surface area
68325520676372
Volume
2.335916006588E+20
Height
5921543.1738713