12561290 is an even 8-digits composite number following 12561289
and preceding 12561291 . In scientific notation, it is written as 1.2561290 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 4285440 positive integers (up to 12561290) that are relatively prime to 12561290.
12561290 has 16 divisors, whose sum is 19476288
The reverse of 12561290 is 09216521
Previous prime number is 311
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twelve million five hundred sixty-one thousand two hundred ninety
Scientific notation
1.2561290 × 10^7
Engineering notation
1.2561290 × 10^6
Prime Factorization
2 × 35 × 311 × 577
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12561290
Product of the distinct prime numbers
The prime factorization of 12561290 is 2 × 35 × 311 × 577.
Since it has a total of 4 prime factors.
6 , 1 , 21 , 27 , 447 , 466 , 9762 , 940 , 44382 , 24136 , 607910 , 518216 , 6066205 , 3860705 , 51231133 , 48681592 , 102967356 , 831477676 , 5783543678 , 8682373471
n×2
25122580
n×3
37683870
n×4
50245160
n×5
62806450
n÷2
6280645
n÷3
4187096.6666667
n÷3
3140322.5
n÷5
2512258
n2
157786006464100
n3
1.9819957851374E+21
n4
2.4896423835889E+28
n5
3.1273119976551E+35
2 √n
3544.19102194
3 √n
232.45813405804
4 √n
59.533108619826
5 √n
26.290984458143
1 , 2 , 35 , 70 , 311 , 577 , 622 , 1154 , 10885 , 20195 , 21770 , 40390 , 179447 , 358894 , 6280645 , 12561290
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
-12561289
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 12561290 can be divided by 16 positive divisors.
The sum of these divisors (counting 12561290) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111111010101110001010
3
Ternary
212122011211222
4
Quaternary
233322232022
5
Quinary
11203430130
6
Senary
1125122042
8
Octal
57725612
10
Decimal
12561290
12
Duodecimal
4259322
16
Hexadecimal
bfab8a
20
Vigesimal
3ia34a
36
Base36
7h8cq
md5
1890fa1ee7e2d1703977a0de4a364a8e
sha1
6cae0873f11a0dc5e1efe5ec65b182ff997dac44
sha256
9f81eda6de5de07a9a4994791aee8df79bc3fdb62c69426d3706bc71e986219f
sha512
4524270bf1b3dfd880c02630a7740b4de2b55726736ba781304c442c01245fd7bc57b4e1c3347fb9248a7c24511d56a70bf9799addc079fe54e2dd28396979d6
ripemd-160
a7cd5c3b489679ca8858957413fe3002ff9179b9
Diameter
25122580
Circumference
78924912.767222
Area
4.9569935874689E+14
Volume
8.3021645307116E+21
Surface area
1.9827974349876E+15
Circumference
78924912.767222
Perimeter
50245160
Area
157786006464100
Diagonal
17764346.678902
Surface area
946716038784600
Volume
1.9819957851374E+21
Space diagonal
21756792.488607
Perimeter
37683870
Area
68323344979803
Altitude
10878396.244303
Surface area
68323344979803
Volume
2.3358044332564E+20
Height
5921448.8929672