12890745 is an odd 8-digits composite number following 12890744
and preceding 12890746 . In scientific notation, it is written as 1.2890745 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 5891616 positive integers (up to 12890745) that are relatively prime to 12890745.
12890745 has 8 divisors, whose sum is 13825920
The reverse of 12890745 is 54709821
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million eight hundred ninety thousand seven hundred forty-five
Scientific notation
1.2890745 × 10^7
Engineering notation
1.2890745 × 10^6
Prime Factorization
189 × 15 × 4547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12890745
Product of the distinct prime numbers
The prime factorization of 12890745 is 189 × 15 × 4547.
Since it has a total of 3 prime factors.
6 , 6 , 66 , 73 , 892 , 654 , 5683 , 8887 , 23993 , 83230 , 625943 , 214569 , 6739371 , 2924937 , 65873740 , 9597115 , 996894787 , 115302872 , 8148245116 , 1210693647
n×2
25781490
n×3
38672235
n×4
51562980
n×5
64453725
n÷2
6445372.5
n÷3
4296915
n÷3
3222686.25
n÷5
2578149
n2
166171306655025
n3
2.1420719404067E+21
n4
2.7612903155438E+28
n5
3.5595089328645E+35
2 √n
3590.3683655023
3 √n
234.47290949289
4 √n
59.919682621843
5 √n
26.427470912236
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
-12890744
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 12890745 can be divided by 8 positive divisors.
The sum of these divisors (counting 12890745) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001011001001111001
3
Ternary
220020220210000
4
Quaternary
301023021321
5
Quinary
11300000440
6
Senary
1140143213
8
Octal
61131171
10
Decimal
12890745
12
Duodecimal
4397b09
16
Hexadecimal
c4b279
20
Vigesimal
40b6h5
36
Base36
7oak9
md5
908106a46da1d8dadfe549485586b8b2
sha1
e69f5810b5bb0543cccc33804c4a342f04dfbaaa
sha256
26550cfe5517392d4ee3cc6c18c09982f6554ec696a8b31b05a9deae9098f486
sha512
3cf69f64582ba80869f59fe71135acabbbfe1c0e2ab29db65f2c9b2b8c8811471324a402f7d69af01a350264667a4f35b40a55316e9264be8d2f1e9a6a377857
ripemd-160
e69c31d58bbd445095b197ebdd0103c3f952518a
Diameter
25781490
Circumference
80994939.582599
Area
5.2204255622484E+14
Volume
8.9726899619235E+21
Surface area
2.0881702248994E+15
Circumference
80994939.582599
Perimeter
51562980
Area
166171306655025
Diagonal
18230266.408093
Surface area
997027839930150
Volume
2.1420719404067E+21
Space diagonal
22327425.287414
Perimeter
38672235
Area
71954286471653
Altitude
11163712.643707
Surface area
71954286471653
Volume
2.5244559914184E+20
Height
6076755.4693644