1291242943 is an odd 10-digits composite number following 1291242942
and preceding 1291242944 . In scientific notation, it is written as 1.291242943 × 10^9.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 1287645808 positive integers (up to 1291242943) that are relatively prime to 1291242943.
1291242943 has 4 divisors, whose sum is 1294840080
The reverse of 1291242943 is 3492421921
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion two hundred ninety-one million two hundred forty-two thousand nine hundred forty-three
Scientific notation
1.291242943 × 10^9
Engineering notation
1.291242943 × 10^9
Prime Factorization
359 × 3596777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1291242943
Product of the distinct prime numbers
The prime factorization of 1291242943 is 359 × 3596777.
Since it has a total of 2 prime factors.
9 , 9 , 92 , 59 , 103 , 350 , 1498 , 5447 , 63299 , 13999 , 91112 , 150672 , 2096457 , 2942082 , 12809295 , 96744618 , 742368733 , 807315426 , 1208913072 , 6983814213
n×2
2582485886
n×3
3873728829
n×4
5164971772
n×5
6456214715
n÷2
645621471.5
n÷3
430414314.33333
n÷3
322810735.75
n÷5
258248588.6
n2
1667308337847301249
n3
2.1529001250504E+27
n4
2.7799170934551E+36
n5
3.589548329049E+45
2 √n
35933.869023527
3 √n
1088.9367470315
4 √n
189.56230907943
5 √n
66.405124029718
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
-1291242942
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 1291242943 can be divided by 4 positive divisors.
The sum of these divisors (counting 1291242943) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111101101100110110111111
3
Ternary
10022222200221022201
4
Quaternary
1030331230312333
5
Quinary
10121024233233
6
Senary
332043452331
8
Octal
11475546677
10
Decimal
1291242943
12
Duodecimal
3005270a7
16
Hexadecimal
4cf6cdbf
20
Vigesimal
103a5773
36
Base36
lcrtfj
md5
4a66d6aa7f547211430bb6065f5dcdce
sha1
ff5aa263ee7fa433fae4ab4837351b2c0338bff7
sha256
cc8d3a61da02e42db047a8e318829aa643c3dbb6e305702b5de5c98b5a09a91c
sha512
cc7fcbfe7468765851ae028ba0f125d347ab78b5c4b2c90d94ec971de2f7f08533142eee0ee997f56ca882421d95db50717f4e188bee3ba57e8ee8d596981be9
ripemd-160
688002be5ba04d2e41aa168b0befa75984d75cee
Diameter
2582485886
Circumference
8113118687.4569
Area
5.2380036254501E+18
Volume
9.0180469556945E+27
Surface area
2.09520145018E+19
Circumference
8113118687.4569
Perimeter
5164971772
Area
1667308337847301249
Diagonal
1826093282.3091
Surface area
1.0003850027084E+19
Volume
2.1529001250504E+27
Space diagonal
2236498382.1908
Perimeter
3873728829
Area
7.2196568825869E+17
Altitude
1118249191.0954
Surface area
7.2196568825869E+17
Volume
2.5372171294008E+26
Height
608697760.76972