12642789 is an odd 8-digits composite number following 12642788
and preceding 12642790 . In scientific notation, it is written as 1.2642789 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 8200656 positive integers (up to 12642789) that are relatively prime to 12642789.
12642789 has 8 divisors, whose sum is 17312800
The reverse of 12642789 is 98724621
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million six hundred forty-two thousand seven hundred eighty-nine
Scientific notation
1.2642789 × 10^7
Engineering notation
1.2642789 × 10^6
Prime Factorization
3 × 37 × 113899
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12642789
Product of the distinct prime numbers
The prime factorization of 12642789 is 3 × 37 × 113899.
Since it has a total of 3 prime factors.
3 , 5 , 61 , 91 , 248 , 962 , 2556 , 5505 , 46576 , 97607 , 520674 , 932110 , 5380644 , 9851570 , 55462349 , 8363349 , 940959606 , 391925585 , 5326777998 , 6413953501
n×2
25285578
n×3
37928367
n×4
50571156
n×5
63213945
n÷2
6321394.5
n÷3
4214263
n÷3
3160697.25
n÷5
2528557.8
n2
159840113698521
n3
2.0208248312264E+21
n4
2.5548861947156E+28
n5
3.2300887078802E+35
2 √n
3555.6699790616
3 √n
232.95978847652
4 √n
59.629438862542
5 √n
26.32501200935
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
-12642788
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 12642789 can be divided by 8 positive divisors.
The sum of these divisors (counting 12642789) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000001110100111100101
3
Ternary
212210022122110
4
Quaternary
300032213211
5
Quinary
11214032124
6
Senary
1130551233
8
Octal
60164745
10
Decimal
12642789
12
Duodecimal
4298519
16
Hexadecimal
c0e9e5
20
Vigesimal
3j06j9
36
Base36
7iz8l
md5
a7d87eee7231c09763c34c81c85909c8
sha1
26601254ab451eb43116f0327b1142754e645ac6
sha256
1b931cd5d6e5dc768c1915eb62f1252341bed71f8b155d1db3c971b7df75c2cd
sha512
85a503a92d1dae8d3f95657a7ff13d72e9e660ecd36adb64213ce736bd53caf92f5b3f1270c72d72b656cebc4cd70308604564392009275c28e8178cdad8ad13
ripemd-160
44037c4b8796ffc88a13e3f46289697e69b68f26
Diameter
25285578
Circumference
79436986.086572
Area
5.0215252694423E+14
Volume
8.4648112586303E+21
Surface area
2.0086101077769E+15
Circumference
79436986.086572
Perimeter
50571156
Area
159840113698521
Diagonal
17879603.670021
Surface area
959040682191126
Volume
2.0208248312264E+21
Space diagonal
21897952.897373
Perimeter
37928367
Area
69212799503356
Altitude
10948976.448686
Surface area
69212799503356
Volume
2.3815649029173E+20
Height
5959867.8900071