12779945 is an odd 8-digits composite number following 12779944
and preceding 12779946 . In scientific notation, it is written as 1.2779945 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 10223952 positive integers (up to 12779945) that are relatively prime to 12779945.
12779945 has 4 divisors, whose sum is 15335940
The reverse of 12779945 is 54997721
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twelve million seven hundred seventy-nine thousand nine hundred forty-five
Scientific notation
1.2779945 × 10^7
Engineering notation
1.2779945 × 10^6
Prime Factorization
5 × 2555989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12779945
Product of the distinct prime numbers
The prime factorization of 12779945 is 5 × 2555989.
Since it has a total of 2 prime factors.
5 , 9 , 9 , 68 , 665 , 587 , 5042 , 2174 , 45460 , 72417 , 339326 , 972812 , 461343 , 8507197 , 23338453 , 78855231 , 674062172 , 442985520 , 1875193224 , 6807010661
n×2
25559890
n×3
38339835
n×4
51119780
n×5
63899725
n÷2
6389972.5
n÷3
4259981.6666667
n÷3
3194986.25
n÷5
2555989
n2
163326994203025
n3
2.08731000293E+21
n4
2.6675707035395E+28
n5
3.4091406874846E+35
2 √n
3574.9048938398
3 √n
233.79918608058
4 √n
59.790508392552
5 √n
26.38188342438
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12779944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12779945 can be divided by 4 positive divisors.
The sum of these divisors (counting 12779945) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000110000000110101001
3
Ternary
220001021210022
4
Quaternary
300300012221
5
Quinary
11232424240
6
Senary
1133530225
8
Octal
60600651
10
Decimal
12779945
12
Duodecimal
4343975
16
Hexadecimal
c301a9
20
Vigesimal
3jh9h5
36
Base36
7lx2h
md5
e14bb0c831ee3261bf5a4a0d5d305c2f
sha1
5a9c81b2da952ba8ebe0ffd734970a9fb52841b0
sha256
c156a6c1d74b7a2e4240ded056e5ca6fa228e2260ca608e45daa1d76a3028c37
sha512
4457fc85b94ab3862f19fa1be64141b59a8aebd3ac82674de514b7f9d253dd1e0b8e934f36d2debc7329503a11d0134d5dbce00499fde5ae77c975a4a8007f7d
ripemd-160
96ed4d8bdadd28a250eaa160c90a7edf791067a7
Diameter
25559890
Circumference
80298762.650563
Area
5.1310688512113E+14
Volume
8.7433036946257E+21
Surface area
2.0524275404845E+15
Circumference
80298762.650563
Perimeter
51119780
Area
163326994203025
Diagonal
18073571.545382
Surface area
979961965218150
Volume
2.08731000293E+21
Space diagonal
22135514.057936
Perimeter
38339835
Area
70722663051787
Altitude
11067757.028968
Surface area
70722663051787
Volume
2.4599184291838E+20
Height
6024523.8484607