12561643 is an odd 8-digits composite number following 12561642
and preceding 12561644 . In scientific notation, it is written as 1.2561643 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 12232320 positive integers (up to 12561643) that are relatively prime to 12561643.
12561643 has 8 divisors, whose sum is 12893760
The reverse of 12561643 is 34616521
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million five hundred sixty-one thousand six hundred forty-three
Scientific notation
1.2561643 × 10^7
Engineering notation
1.2561643 × 10^6
Prime Factorization
47 × 241 × 1109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12561643
Product of the distinct prime numbers
The prime factorization of 12561643 is 47 × 241 × 1109.
Since it has a total of 3 prime factors.
6 , 1 , 28 , 3 , 706 , 35 , 2569 , 9932 , 96913 , 34030 , 865319 , 462230 , 4237974 , 4960510 , 28907025 , 5749514 , 981854753 , 273589797 , 7784602123 , 1650396800
n×2
25123286
n×3
37684929
n×4
50246572
n×5
62808215
n÷2
6280821.5
n÷3
4187214.3333333
n÷3
3140410.75
n÷5
2512328.6
n2
157794874859449
n3
1.9821628852141E+21
n4
2.4899222531909E+28
n5
3.127751444234E+35
2 √n
3544.240821389
3 √n
232.46031156669
4 √n
59.533526868387
5 √n
26.291132223432
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
-12561642
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 12561643 can be divided by 8 positive divisors.
The sum of these divisors (counting 12561643) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111111010110011101011
3
Ternary
212122012100001
4
Quaternary
233322303223
5
Quinary
11203433033
6
Senary
1125123431
8
Octal
57726353
10
Decimal
12561643
12
Duodecimal
4259577
16
Hexadecimal
bfaceb
20
Vigesimal
3ia423
36
Base36
7h8mj
md5
ea60787ae6b19849f3c5c1a3ae0fa50f
sha1
15961819ab64c1d020acb981fdc050725dda5c79
sha256
79c10b142e6e8edbce779df6a288eb69581072691700593f41bb37b7b7dc0554
sha512
777155eac11941b73e9058d2104571e53e26ad2d25f7d6720361a2fdc56612038ebb0b6d7247cbd1b210e4cc0907439724a6c03ac2b53f6c49adab244cfcab75
ripemd-160
8989029598bbdc4f3bab5820b9d651e67503c998
Diameter
25123286
Circumference
78927130.731635
Area
4.9572721963257E+14
Volume
8.3028644778758E+21
Surface area
1.9829088785303E+15
Circumference
78927130.731635
Perimeter
50246572
Area
157794874859449
Diagonal
17764845.896289
Surface area
946769249156694
Volume
1.9821628852141E+21
Space diagonal
21757403.902542
Perimeter
37684929
Area
68327185107635
Altitude
10878701.951271
Surface area
68327185107635
Volume
2.3360013625853E+20
Height
5921615.298763