1291275142 is an even 10-digits composite number following 1291275141
and preceding 1291275143 . In scientific notation, it is written as 1.291275142 × 10^9.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 640924752 positive integers (up to 1291275142) that are relatively prime to 1291275142.
1291275142 has 8 divisors, whose sum is 1951051176
The reverse of 1291275142 is 2415721921
Previous prime number is 137
Is Prime? no
Number parity even
Number length 10
Sum of Digits 34
Digital Root 7
Name
one billion two hundred ninety-one million two hundred seventy-five thousand one hundred forty-two
Scientific notation
1.291275142 × 10^9
Engineering notation
1.291275142 × 10^9
Prime Factorization
2 × 137 × 4712683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1291275142
Product of the distinct prime numbers
The prime factorization of 1291275142 is 2 × 137 × 4712683.
Since it has a total of 3 prime factors.
8 , 3 , 45 , 48 , 341 , 58 , 5173 , 6975 , 65497 , 1883 , 192257 , 785718 , 7756289 , 9700298 , 82586418 , 76161321 , 19993690 , 961484076 , 7484998743 , 6198995999
n×2
2582550284
n×3
3873825426
n×4
5165100568
n×5
6456375710
n÷2
645637571
n÷3
430425047.33333
n÷3
322818785.5
n÷5
258255028.4
n2
1667391492347120164
n3
2.1530611860501E+27
n4
2.7801943887516E+36
n5
3.5899959041228E+45
2 √n
35934.317052088
3 √n
1088.9457983576
4 √n
189.56349082059
5 √n
66.405455207871
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
-1291275141
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 1291275142 can be divided by 8 positive divisors.
The sum of these divisors (counting 1291275142) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111101110100101110000110
3
Ternary
10022222202120111021
4
Quaternary
1030331310232012
5
Quinary
10121031301032
6
Senary
332044301354
8
Octal
11475645606
10
Decimal
1291275142
12
Duodecimal
30054185a
16
Hexadecimal
4cf74b86
20
Vigesimal
103a97h2
36
Base36
lcsi9y
md5
0057f7839ffcc0ecd7cc2a2107c7129a
sha1
34f05918181e1308d132bb639eeba38da74ab598
sha256
4873e139854648a9be16902654d619e2369b73746cc4dfb25724f5fc16646aba
sha512
bd81aa2f9d805b781b8d5dad9dc59d21f161453e5483591c082151ca7c8df5fb87aad3be82ed40546c1f2ed9fc02753099b7ab46a1eace36b6c855b180aee88d
ripemd-160
f82156c4b419f869a75b0d6324cd645f80c7197f
Diameter
2582550284
Circumference
8113320999.7406
Area
5.2382648630158E+18
Volume
9.0187216064325E+27
Surface area
2.0953059452063E+19
Circumference
8113320999.7406
Perimeter
5165100568
Area
1667391492347120164
Diagonal
1826138818.5716
Surface area
1.0004348954083E+19
Volume
2.1530611860501E+27
Space diagonal
2236554152.4947
Perimeter
3873825426
Area
7.2200169521333E+17
Altitude
1118277076.2474
Surface area
7.2200169521333E+17
Volume
2.5374069416093E+26
Height
608712939.52388