12989945 is an odd 8-digits composite number following 12989944
and preceding 12989946 . In scientific notation, it is written as 1.2989945 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 10360624 positive integers (up to 12989945) that are relatively prime to 12989945.
12989945 has 8 divisors, whose sum is 15634944
The reverse of 12989945 is 54998921
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twelve million nine hundred eighty-nine thousand nine hundred forty-five
Scientific notation
1.2989945 × 10^7
Engineering notation
1.2989945 × 10^6
Prime Factorization
5 × 347 × 7487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12989945
Product of the distinct prime numbers
The prime factorization of 12989945 is 5 × 347 × 7487.
Since it has a total of 3 prime factors.
1 , 6 , 35 , 4 , 232 , 592 , 8851 , 2805 , 10837 , 16159 , 546990 , 68580 , 3399708 , 6395550 , 43729148 , 58384547 , 359368574 , 31453375 , 5635756872 , 2321258426
n×2
25979890
n×3
38969835
n×4
51959780
n×5
64949725
n÷2
6494972.5
n÷3
4329981.6666667
n÷3
3247486.25
n÷5
2597989
n2
168738671103025
n3
2.1919060570014E+21
n4
2.8472739125615E+28
n5
3.6985931524108E+35
2 √n
3604.156628117
3 √n
235.0728309042
4 √n
60.034628574824
5 √n
26.468020506687
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
-12989944
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 12989945 can be divided by 8 positive divisors.
The sum of these divisors (counting 12989945) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100011010111111001
3
Ternary
220102221212002
4
Quaternary
301203113321
5
Quinary
11311134240
6
Senary
1142230345
8
Octal
61432771
10
Decimal
12989945
12
Duodecimal
44253b5
16
Hexadecimal
c635f9
20
Vigesimal
413eh5
36
Base36
7qf3t
md5
7ef0910ae0061b39020c29d5121547a6
sha1
1b6b4159249994e13b2bc397f26ed87f06c15c47
sha256
780014315f37a9cccded07d0a2f1a63c253a9a10988ed423ab9759c8b38460fd
sha512
2794952dd0e9d791e20d5d51a63240da4fed3ef51a8b3ed8429f0a066463d81c70ca4c003410f4a6f8f5a41281c4d70ff911896fcd0876c5585b8ff513ec1db3
ripemd-160
3a3f762137de8061abc1cfd5f759322f2593d5d9
Diameter
25979890
Circumference
81618231.565071
Area
5.3010816951377E+14
Volume
9.1814346213794E+21
Surface area
2.1204326780551E+15
Circumference
81618231.565071
Perimeter
51959780
Area
168738671103025
Diagonal
18370556.393481
Surface area
1012432026618150
Volume
2.1919060570014E+21
Space diagonal
22499244.727525
Perimeter
38969835
Area
73065987888023
Altitude
11249622.363763
Surface area
73065987888023
Volume
2.5831860610492E+20
Height
6123518.7978269