1291242944 is an even 10-digits composite number following 1291242943
and preceding 1291242945 . In scientific notation, it is written as 1.291242944 × 10^9.
The sum of its digits is 38. It has a total of 7 prime factors and 14 positive divisors.
There are 645621440 positive integers (up to 1291242944) that are relatively prime to 1291242944.
1291242944 has 14 divisors, whose sum is 2562310344
The reverse of 1291242944 is 4492421921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion two hundred ninety-one million two hundred forty-two thousand nine hundred forty-four
Scientific notation
1.291242944 × 10^9
Engineering notation
1.291242944 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 20175671
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
40351342
Product of the distinct prime numbers
The prime factorization of 1291242944 is 2 × 2 × 2 × 2 × 2 × 2 × 20175671.
Since it has a total of 7 prime factors.
10 , 8 , 66 , 76 , 574 , 71 , 8065 , 9550 , 2059 , 10521 , 149655 , 11373 , 9310212 , 4969515 , 71042149 , 77379697 , 47979694 , 904824478 , 640717005 , 3226727246
n×2
2582485888
n×3
3873728832
n×4
5164971776
n×5
6456214720
n÷2
645621472
n÷3
430414314.66667
n÷3
322810736
n÷5
258248588.8
n2
1667308340429787136
n3
2.1529001300523E+27
n4
2.7799171020667E+36
n5
3.5895483429486E+45
2 √n
35933.869037442
3 √n
1088.9367473127
4 √n
189.56230911614
5 √n
66.405124040004
1 , 2 , 4 , 8 , 16 , 32 , 64 , 20175671 , 40351342 , 80702684 , 161405368 , 322810736 , 645621472 , 1291242944
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291242943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291242944 can be divided by 14 positive divisors.
The sum of these divisors (counting 1291242944) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
1001100111101101100110111000000
3
Ternary
10022222200221022202
4
Quaternary
1030331230313000
5
Quinary
10121024233234
6
Senary
332043452332
8
Octal
11475546700
10
Decimal
1291242944
12
Duodecimal
3005270a8
16
Hexadecimal
4cf6cdc0
20
Vigesimal
103a5774
36
Base36
lcrtfk
md5
4365bb7aa634fe7d0eda21d4d32f0f71
sha1
89300cde9fecbb2be93cb34209552f09e4c9c6fc
sha256
549b44c1e3794bab4d6677730bcf2450c2428e08f6d36857abe83a1f79c6269d
sha512
471bf1cca134de4cdc8ac012d18c604138786a6285578e8229c40a887ad8de6987a15166a2a9d2d4bb85a922158d8d0e25ebc4edeaf8c148410a6004d909d08d
ripemd-160
f3f34685f90d69ace45f5796aaba11f6188933cd
Diameter
2582485888
Circumference
8113118693.7401
Area
5.2380036335632E+18
Volume
9.0180469766465E+27
Surface area
2.0952014534253E+19
Circumference
8113118693.7401
Perimeter
5164971776
Area
1667308340429787136
Diagonal
1826093283.7234
Surface area
1.0003850042579E+19
Volume
2.1529001300523E+27
Space diagonal
2236498383.9228
Perimeter
3873728832
Area
7.2196568937693E+17
Altitude
1118249191.9614
Surface area
7.2196568937693E+17
Volume
2.5372171352957E+26
Height
608697761.24112