1291240256 is an even 10-digits composite number following 1291240255
and preceding 1291240257 . In scientific notation, it is written as 1.291240256 × 10^9.
The sum of its digits is 32. It has a total of 8 prime factors and 28 positive divisors.
There are 645260160 positive integers (up to 1291240256) that are relatively prime to 1291240256.
1291240256 has 28 divisors, whose sum is 2563733760
The reverse of 1291240256 is 6520421921
Previous prime number is 2239
Is Prime? no
Number parity even
Number length 10
Sum of Digits 32
Digital Root 5
Name
one billion two hundred ninety-one million two hundred forty thousand two hundred fifty-six
Scientific notation
1.291240256 × 10^9
Engineering notation
1.291240256 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2239 × 9011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
40351258
Product of the distinct prime numbers
The prime factorization of 1291240256 is 2 × 2 × 2 × 2 × 2 × 2 × 2239 × 9011.
Since it has a total of 8 prime factors.
4 , 1 , 73 , 89 , 750 , 457 , 5705 , 9507 , 58823 , 41916 , 150916 , 93554 , 5852449 , 1117588 , 19468352 , 89221561 , 655871190 , 859586709 , 8365749781 , 8221715841
n×2
2582480512
n×3
3873720768
n×4
5164961024
n×5
6456201280
n÷2
645620128
n÷3
430413418.66667
n÷3
322810064
n÷5
258248051.2
n2
1667301398714945536
n3
2.1528866849058E+27
n4
2.7798939541568E+36
n5
3.5895109810183E+45
2 √n
35933.831635382
3 √n
1088.9359916934
4 √n
189.56221046238
5 √n
66.40509639267
1 , 2 , 4 , 8 , 16 , 32 , 64 , 2239 , 4478 , 8956 , 9011 , 17912 , 18022 , 35824 , 36044 , 71648 , 72088 , 143296 , 144176 , 288352 , 576704 , 20175629 , 40351258 , 80702516 , 161405032 , 322810064 , 645620128 , 1291240256
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291240255
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291240256 can be divided by 28 positive divisors.
The sum of these divisors (counting 1291240256) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001100111101101100001101000000
3
Ternary
10022222200210122012
4
Quaternary
1030331230031000
5
Quinary
10121024142011
6
Senary
332043432052
8
Octal
11475541500
10
Decimal
1291240256
12
Duodecimal
300525628
16
Hexadecimal
4cf6c340
20
Vigesimal
103a50cg
36
Base36
lcrrcw
md5
9d3cd39158b0d6912d25aeb1623f1fe3
sha1
32a2ca944d8f735a0bbc82eb1c80b539303e4c1e
sha256
56050315a8c6258a009f09ac0bc2aa5ffd2cde2a830a5cfdb6e432d407f9f0a1
sha512
209b7e9b369b24ab6810c5174afaaafe1f5d638750eb0df3d62ae27183566ec48b43ddb40b5181f9dd63c61b202c0eeb845fb939200312a71e5960959117ac65
ripemd-160
e2e6d8f8b2bcfc52554c834fb3ecd6e9b9423976
Diameter
2582480512
Circumference
8113101804.538
Area
5.2379818255229E+18
Volume
9.0179906577486E+27
Surface area
2.0951927302091E+19
Circumference
8113101804.538
Perimeter
5164961024
Area
1667301398714945536
Diagonal
1826089482.3173
Surface area
1.000380839229E+19
Volume
2.1528866849058E+27
Space diagonal
2236493728.1702
Perimeter
3873720768
Area
7.2196268352624E+17
Altitude
1118246864.0851
Surface area
7.2196268352624E+17
Volume
2.5372012900386E+26
Height
608696494.10577