1291293428 is an even 10-digits composite number following 1291293427
and preceding 1291293429 . In scientific notation, it is written as 1.291293428 × 10^9.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 611665272 positive integers (up to 1291293428) that are relatively prime to 1291293428.
1291293428 has 12 divisors, whose sum is 2378698560
The reverse of 1291293428 is 8243921921
Previous prime number is 19
Is Prime? no Number parity even Number length 10 Sum of Digits 41 Digital Root 5
Name
one billion two hundred ninety-one million two hundred ninety-three thousand four hundred twenty-eight
Scientific notation
1.291293428 × 10^9
Engineering notation
1.291293428 × 10^9
Prime Factorization
2 × 2 × 19 × 16990703
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
645646714 Product of the distinct prime numbers
The prime factorization of 1291293428 is 2 × 2 × 19 × 16990703.
Since it has a total of 4 prime factors.
3 , 7 , 1 , 29 , 995 , 405 , 7098 , 1684 , 9657 , 28330 , 246758 , 682849 , 4477508 , 574900 , 31772081 , 80491398 , 819277041 , 467898896 , 442182957 , 274972361
n×2
2582586856
n×3
3873880284
n×4
5165173712
n×5
6456467140
n÷2
645646714
n÷3
430431142.66667
n÷3
322823357
n÷5
258258685.6
n2
1667438717195991184
n3
2.1531526571079E+27
n4
2.7803518756042E+36
n5
3.5902501044952E+45
2 √n35934.571487636
3 √n1088.9509385916
4 √n189.56416192845
5 √n66.405643282935
1 , 2 , 4 , 19 , 38 , 76 , 16990703 , 33981406 , 67962812 , 322823357 , 645646714 , 1291293428
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1291293427 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291293428 can be divided by 12 positive divisors.
The sum of these divisors (counting 1291293428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111101111001001011110100
3
Ternary
10022222210111120112
4
Quaternary
1030331321023310
5
Quinary
10121032342203
6
Senary
332044522152
8
Octal
11475711364
10
Decimal
1291293428
12
Duodecimal
300550358
16
Hexadecimal
4cf792f4
20
Vigesimal
103abdb8
36
Base36
lcswdw
md5
c0213bf0a6aded2751f48efefda32941
sha1
8a45fcc7d57011ac51b4a7d5825d3a938dc94772
sha256
d29e0f90918ed76b41c803b49e30bc64b17e04454b5e54a1c1656e9db44ddf88
sha512
6d675d640eccafca99124cb1d4d1068334f0554d8f9904198326cf33b0f97966e2c4870d77a89dcd364ff7ea780e2db65d36896634345076150210c4f8a7c56c
ripemd-160
6bc853056270adfe535aef58bbc145c326dd23df
Diameter
2582586856
Circumference
8113435894.0672
Area
5.2384132242541E+18
Volume
9.0191047595035E+27
Surface area
2.0953652897016E+19
Circumference
8113435894.0672
Perimeter
5165173712
Area
1667438717195991184
Diagonal
1826164678.8808
Surface area
1.0004632303176E+19
Volume
2.1531526571079E+27
Space diagonal
2236585824.7758
Perimeter
3873880284
Area
7.2202214417273E+17
Altitude
1118292912.3879
Surface area
7.2202214417273E+17
Volume
2.5375147412848E+26
Height
608721559.62695