1291255288 is an even 10-digits composite number following 1291255287
and preceding 1291255289 . In scientific notation, it is written as 1.291255288 × 10^9.
The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors.
There are 644016000 positive integers (up to 1291255288) that are relatively prime to 1291255288.
1291255288 has 16 divisors, whose sum is 2427147360
The reverse of 1291255288 is 8825521921
Previous prime number is 401
Is Prime? no
Number parity even
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion two hundred ninety-one million two hundred fifty-five thousand two hundred eighty-eight
Scientific notation
1.291255288 × 10^9
Engineering notation
1.291255288 × 10^9
Prime Factorization
2 × 2 × 2 × 401 × 402511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
322813822
Product of the distinct prime numbers
The prime factorization of 1291255288 is 2 × 2 × 2 × 401 × 402511.
Since it has a total of 5 prime factors.
10 , 8 , 15 , 66 , 321 , 573 , 771 , 3243 , 76638 , 25407 , 516930 , 221773 , 1648700 , 2752257 , 66579569 , 48863500 , 902179913 , 264036263 , 3408542331 , 4048264002
n×2
2582510576
n×3
3873765864
n×4
5165021152
n×5
6456276440
n÷2
645627644
n÷3
430418429.33333
n÷3
322813822
n÷5
258251057.6
n2
1667340218787962944
n3
2.152961874405E+27
n4
2.7800234051879E+36
n5
3.5897199227126E+45
2 √n
35934.040796994
3 √n
1088.9402173006
4 √n
189.56276215806
5 √n
66.405251003209
1 , 2 , 4 , 8 , 401 , 802 , 1604 , 3208 , 402511 , 805022 , 1610044 , 3220088 , 161406911 , 322813822 , 645627644 , 1291255288
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
-1291255287
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 1291255288 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291255288) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111101101111110111111000
3
Ternary
10022222201120020221
4
Quaternary
1030331233313320
5
Quinary
10121030132123
6
Senary
332044025424
8
Octal
11475576770
10
Decimal
1291255288
12
Duodecimal
300532274
16
Hexadecimal
4cf6fdf8
20
Vigesimal
103a6i48
36
Base36
lcs2yg
md5
a7836a849f4fb9ec419d4649bee7778f
sha1
b5afa3a2a26fd8b74fcfaba261fb11e05ce0e3e7
sha256
009b81455de45027ddf6211a7a61103dc9c9ff097a0ecd0d45fac2fc9cd435eb
sha512
fa2838e45419946cd06e464a0532635eb6473453c4f147e7b221daaf74710c1f9035c16ed2c606c62e1ddd7c958b157432702d248395b0c64ce91f08a9e43c03
ripemd-160
b81527334720a8f6e7139c477120d9f6c2ebbfc3
Diameter
2582510576
Circumference
8113196253.3795
Area
5.2381037823791E+18
Volume
9.0183056107864E+27
Surface area
2.0952415129516E+19
Circumference
8113196253.3795
Perimeter
5165021152
Area
1667340218787962944
Diagonal
1826110740.7756
Surface area
1.0004041312728E+19
Volume
2.152961874405E+27
Space diagonal
2236519764.358
Perimeter
3873765864
Area
7.2197949311094E+17
Altitude
1118259882.179
Surface area
7.2197949311094E+17
Volume
2.5372899017132E+26
Height
608703580.25853