1291739968 is an even 10-digits composite number following 1291739967
and preceding 1291739969 . In scientific notation, it is written as 1.291739968 × 10^9.
The sum of its digits is 55. It has a total of 8 prime factors and 28 positive divisors.
There are 607877120 positive integers (up to 1291739968) that are relatively prime to 1291739968.
1291739968 has 28 divisors, whose sum is 2714080932
The reverse of 1291739968 is 8699371921
Previous prime number is 17
Is Prime? no
Number parity even
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion two hundred ninety-one million seven hundred thirty-nine thousand nine hundred sixty-eight
Scientific notation
1.291739968 × 10^9
Engineering notation
1.291739968 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 17 × 1187261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
40366874
Product of the distinct prime numbers
The prime factorization of 1291739968 is 2 × 2 × 2 × 2 × 2 × 2 × 17 × 1187261.
Since it has a total of 8 prime factors.
4 , 4 , 81 , 89 , 271 , 433 , 9957 , 3734 , 82863 , 42380 , 34647 , 271730 , 6839001 , 1887115 , 34436427 , 40624404 , 52781299 , 385466611 , 2717819757 , 2541814417
n×2
2583479936
n×3
3875219904
n×4
5166959872
n×5
6458699840
n÷2
645869984
n÷3
430579989.33333
n÷3
322934992
n÷5
258347993.6
n2
1668592144928641024
n3
2.1553871638952E+27
n4
2.7841997461176E+36
n5
3.5964620909555E+45
2 √n
35940.784187327
3 √n
1089.0764468872
4 √n
189.58054801938
5 √n
66.410235372461
1 , 2 , 4 , 8 , 16 , 17 , 32 , 34 , 64 , 68 , 136 , 272 , 544 , 1088 , 1187261 , 2374522 , 4749044 , 9498088 , 18996176 , 20183437 , 37992352 , 40366874 , 75984704 , 80733748 , 161467496 , 322934992 , 645869984 , 1291739968
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291739967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291739968 can be divided by 28 positive divisors.
The sum of these divisors (counting 1291739968) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001100111111100110001101000000
3
Ternary
10100000122012010001
4
Quaternary
1030333212031000
5
Quinary
10121141134333
6
Senary
332102245344
8
Octal
11477461500
10
Decimal
1291739968
12
Duodecimal
300726854
16
Hexadecimal
4cfe6340
20
Vigesimal
103d79i8
36
Base36
ld2gxs
md5
26da1b5984613cd39774bfa331853177
sha1
68075132e09b27400dd2ab83240ac654652c25fe
sha256
e9929a4b754fa16739bc0f865d394a1662ae00eefe49253a37b674da91520992
sha512
ce5de5127d13a5587cecc1cd1232266d33c88b21abe67f9ef3da99f084d972abe4a247472d6c0734d2ea53e5fa9b36c15ffa0717ba579c55aabe2f6dddef64b2
ripemd-160
d9a91b1ba90761ea1bce59835c97613ffb715cdc
Diameter
2583479936
Circumference
8116241587.6342
Area
5.2420368243455E+18
Volume
9.0284646396464E+27
Surface area
2.0968147297382E+19
Circumference
8116241587.6342
Perimeter
5166959872
Area
1668592144928641024
Diagonal
1826796181.805
Surface area
1.0011552869572E+19
Volume
2.1553871638952E+27
Space diagonal
2237359254.7434
Perimeter
3875219904
Area
7.2252159303168E+17
Altitude
1118679627.3717
Surface area
7.2252159303168E+17
Volume
2.5401481327879E+26
Height
608932060.60166