1291243222 is an even 10-digits composite number following 1291243221
and preceding 1291243223 . In scientific notation, it is written as 1.291243222 × 10^9.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 645513000 positive integers (up to 1291243222) that are relatively prime to 1291243222.
1291243222 has 8 divisors, whose sum is 1937190672
The reverse of 1291243222 is 2223421921
Previous prime number is 6311
Is Prime? no
Number parity even
Number length 10
Sum of Digits 28
Digital Root 1
Name
one billion two hundred ninety-one million two hundred forty-three thousand two hundred twenty-two
Scientific notation
1.291243222 × 10^9
Engineering notation
1.291243222 × 10^9
Prime Factorization
2 × 6311 × 102301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1291243222
Product of the distinct prime numbers
The prime factorization of 1291243222 is 2 × 6311 × 102301.
Since it has a total of 3 prime factors.
3 , 9 , 21 , 31 , 79 , 576 , 3571 , 9131 , 80465 , 39133 , 571337 , 175878 , 6630601 , 1802316 , 19641947 , 12884923 , 750726562 , 821532495 , 5396469369 , 9116312720
n×2
2582486444
n×3
3873729666
n×4
5164972888
n×5
6456216110
n÷2
645621611
n÷3
430414407.33333
n÷3
322810805.5
n÷5
258248644.4
n2
1667309058360941284
n3
2.1529015205878E+27
n4
2.7799194960924E+36
n5
3.589552207035E+45
2 √n
35933.872905658
3 √n
1088.9368254607
4 √n
189.56231931916
5 √n
66.405126899361
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291243221
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291243222 can be divided by 8 positive divisors.
The sum of these divisors (counting 1291243222) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111101101100111011010110
3
Ternary
10022222200221201001
4
Quaternary
1030331230323112
5
Quinary
10121024240342
6
Senary
332043453514
8
Octal
11475547326
10
Decimal
1291243222
12
Duodecimal
30052729a
16
Hexadecimal
4cf6ced6
20
Vigesimal
103a5812
36
Base36
lcrtna
md5
906f0d25eb4323a6e1825c9978595a4d
sha1
edae89310950740ffe4ada92725caf7f548d2730
sha256
76f96e97e8a177f60c23e58c3f96195a9cdb3287dc669eeadd182c21e5894e7d
sha512
348cb836488424835320dbefa96aeb91d61e9030e5c46f912171908d845d5655e2cd2aff4d39e50cb98bbab933afc14eeec17424b76911adf28cdae2d49964a1
ripemd-160
29a3d88881086cd07a88900b390beffab6701af4
Diameter
2582486444
Circumference
8113120440.4656
Area
5.2380058890104E+18
Volume
9.0180528013078E+27
Surface area
2.0952023556042E+19
Circumference
8113120440.4656
Perimeter
5164972888
Area
1667309058360941284
Diagonal
1826093676.8747
Surface area
1.0003854350166E+19
Volume
2.1529015205878E+27
Space diagonal
2236498865.4329
Perimeter
3873729666
Area
7.2196600025024E+17
Altitude
1118249432.7165
Surface area
7.2196600025024E+17
Volume
2.5372187740574E+26
Height
608697892.29158