1291275145 is an odd 10-digits composite number following 1291275144
and preceding 1291275146 . In scientific notation, it is written as 1.291275145 × 10^9.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 1003204800 positive integers (up to 1291275145) that are relatively prime to 1291275145.
1291275145 has 16 divisors, whose sum is 1594897920
The reverse of 1291275145 is 5415721921
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion two hundred ninety-one million two hundred seventy-five thousand one hundred forty-five
Scientific notation
1.291275145 × 10^9
Engineering notation
1.291275145 × 10^9
Prime Factorization
5 × 79 × 61 × 53591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1291275145
Product of the distinct prime numbers
The prime factorization of 1291275145 is 5 × 79 × 61 × 53591.
Since it has a total of 4 prime factors.
5 , 7 , 32 , 36 , 895 , 999 , 8969 , 3509 , 93042 , 37267 , 893364 , 970883 , 1823859 , 6892828 , 31717403 , 18384915 , 456903819 , 627243290 , 2153765352 , 552246756
n×2
2582550290
n×3
3873825435
n×4
5165100580
n×5
6456375725
n÷2
645637572.5
n÷3
430425048.33333
n÷3
322818786.25
n÷5
258255029
n2
1667391500094771025
n3
2.1530612010566E+27
n4
2.7801944145883E+36
n5
3.5899959458257E+45
2 √n
35934.317093831
3 √n
1088.945799201
4 √n
189.56349093069
5 √n
66.405455238726
1 , 5 , 61 , 79 , 305 , 395 , 4819 , 24095 , 53591 , 267955 , 3269051 , 4233689 , 16345255 , 21168445 , 258255029 , 1291275145
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291275144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291275145 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291275145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111101110100101110001001
3
Ternary
10022222202120111101
4
Quaternary
1030331310232021
5
Quinary
10121031301040
6
Senary
332044301401
8
Octal
11475645611
10
Decimal
1291275145
12
Duodecimal
300541861
16
Hexadecimal
4cf74b89
20
Vigesimal
103a97h5
36
Base36
lcsia1
md5
22a2788c0f585a80f97a521f83392efe
sha1
0b96846fa00c1f79b126e8f609c3fa29dd7a6107
sha256
65034266fa24b1fc8e47abab59a3966d0e9ee93ae6824b4bf0ed9486b636fe6e
sha512
c161677a00edc0babbdbc997d8bdbfba95796ed85ca6c3bebb84c21d6197d3a6b10f13201ee2aefb0a4d0a4306d228de9d0ef0d8d4a877d84d344070d1e7bc68
ripemd-160
91b3dd66f6fda18888714109202fcaf6bebf92fe
Diameter
2582550290
Circumference
8113321018.5902
Area
5.2382648873558E+18
Volume
9.0187216692917E+27
Surface area
2.0953059549423E+19
Circumference
8113321018.5902
Perimeter
5165100580
Area
1667391500094771025
Diagonal
1826138822.8143
Surface area
1.0004349000569E+19
Volume
2.1530612010566E+27
Space diagonal
2236554157.6909
Perimeter
3873825435
Area
7.2200169856816E+17
Altitude
1118277078.8454
Surface area
7.2200169856816E+17
Volume
2.5374069592947E+26
Height
608712940.93809