1291739969 is an odd 10-digits composite number following 1291739968
and preceding 1291739970 . In scientific notation, it is written as 1.291739969 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 1192375344 positive integers (up to 1291739969) that are relatively prime to 1291739969.
1291739969 has 4 divisors, whose sum is 1391104596
The reverse of 1291739969 is 9699371921
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion two hundred ninety-one million seven hundred thirty-nine thousand nine hundred sixty-nine
Scientific notation
1.291739969 × 10^9
Engineering notation
1.291739969 × 10^9
Prime Factorization
13 × 99364613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1291739969
Product of the distinct prime numbers
The prime factorization of 1291739969 is 13 × 99364613.
Since it has a total of 2 prime factors.
4 , 7 , 98 , 6 , 592 , 389 , 5233 , 5222 , 74654 , 9041 , 775756 , 614167 , 5458017 , 8859153 , 68050319 , 72951891 , 526402883 , 986727189 , 2338096425 , 5466532625
n×2
2583479938
n×3
3875219907
n×4
5166959876
n×5
6458699845
n÷2
645869984.5
n÷3
430579989.66667
n÷3
322934992.25
n÷5
258347993.8
n2
1668592147512120961
n3
2.155387168901E+27
n4
2.7841997547391E+36
n5
3.5964621048765E+45
2 √n
35940.784201239
3 √n
1089.0764471682
4 √n
189.58054805607
5 √n
66.410235382744
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291739968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291739969 can be divided by 4 positive divisors.
The sum of these divisors (counting 1291739969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111111100110001101000001
3
Ternary
10100000122012010002
4
Quaternary
1030333212031001
5
Quinary
10121141134334
6
Senary
332102245345
8
Octal
11477461501
10
Decimal
1291739969
12
Duodecimal
300726855
16
Hexadecimal
4cfe6341
20
Vigesimal
103d79i9
36
Base36
ld2gxt
md5
ff6a9a528b110f00f699db4ca2c26ee4
sha1
25cf861ed2c2993c475ae98c7af51931c78bc4cb
sha256
de459caf539c1ce0a916974aacc1d2d31e82abcc25232b60e7d62af5d1bdfe2f
sha512
b572eaefea3fd7ae7277dad4b0eae21f8b709839abb5647d3dd9d1de2b81b28eff76ac2b704e2e9e054b85c33cedb834e4e86d3f6ee8c964fee459684318c0f9
ripemd-160
2d04ed70a3ab2bf9af08676258a29d6b13ce1ffc
Diameter
2583479938
Circumference
8116241593.9174
Area
5.2420368324617E+18
Volume
9.0284646606146E+27
Surface area
2.0968147329847E+19
Circumference
8116241593.9174
Perimeter
5166959876
Area
1668592147512120961
Diagonal
1826796183.2192
Surface area
1.0011552885073E+19
Volume
2.155387168901E+27
Space diagonal
2237359256.4754
Perimeter
3875219907
Area
7.2252159415036E+17
Altitude
1118679628.2377
Surface area
7.2252159415036E+17
Volume
2.5401481386872E+26
Height
608932061.07307