1291240258 is an even 10-digits composite number following 1291240257
and preceding 1291240259 . In scientific notation, it is written as 1.291240258 × 10^9.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 499642080 positive integers (up to 1291240258) that are relatively prime to 1291240258.
1291240258 has 16 divisors, whose sum is 1953720000
The reverse of 1291240258 is 8520421921
Previous prime number is 149
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 forty thousand two hundred fifty-eight
Scientific notation
1.291240258 × 10^9
Engineering notation
1.291240258 × 10^9
Prime Factorization
2 × 539 × 149 × 8039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1291240258
Product of the distinct prime numbers
The prime factorization of 1291240258 is 2 × 539 × 149 × 8039.
Since it has a total of 4 prime factors.
9 , 5 , 97 , 54 , 203 , 958 , 5091 , 4349 , 8291 , 27728 , 688761 , 498880 , 3620129 , 418240 , 47229694 , 46691073 , 153244827 , 663366906 , 7611707680 , 2120026760
n×2
2582480516
n×3
3873720774
n×4
5164961032
n×5
6456201290
n÷2
645620129
n÷3
430413419.33333
n÷3
322810064.5
n÷5
258248051.6
n2
1667301403879906564
n3
2.1528866949097E+27
n4
2.7798939713799E+36
n5
3.5895110088172E+45
2 √n
35933.831663211
3 √n
1088.9359922556
4 √n
189.56221053578
5 √n
66.405096413241
1 , 2 , 149 , 298 , 539 , 1078 , 8039 , 16078 , 80311 , 160622 , 1197811 , 2395622 , 4333021 , 8666042 , 645620129 , 1291240258
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
-1291240257
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 1291240258 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291240258) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111101101100001101000010
3
Ternary
10022222200210122021
4
Quaternary
1030331230031002
5
Quinary
10121024142013
6
Senary
332043432054
8
Octal
11475541502
10
Decimal
1291240258
12
Duodecimal
30052562a
16
Hexadecimal
4cf6c342
20
Vigesimal
103a50ci
36
Base36
lcrrcy
md5
a72772bfe85bb9b49a4a92c949fab55b
sha1
82b38507790acf262084ae518b45585e08348ab0
sha256
c44ee14998432564ab3fbbd20bc6e3f5806bd3370f28792d646d1a00fa6686ef
sha512
1ebc551a14c29fa98ca9e9699eb845bff40532f958df0a4036a3ae5ff64b0ffe6b2181fd81356c446dda47552fa4705bb9ad63cbcafe10c838b830e881b0f371
ripemd-160
f1a6238e7b9eb8074d5b7c8fee8ea6104097ef84
Diameter
2582480516
Circumference
8113101817.1044
Area
5.2379818417491E+18
Volume
9.0179906996525E+27
Surface area
2.0951927366996E+19
Circumference
8113101817.1044
Perimeter
5164961032
Area
1667301403879906564
Diagonal
1826089485.1457
Surface area
1.0003808423279E+19
Volume
2.1528866949097E+27
Space diagonal
2236493731.6343
Perimeter
3873720774
Area
7.2196268576273E+17
Altitude
1118246865.8172
Surface area
7.2196268576273E+17
Volume
2.5372013018282E+26
Height
608696495.04858