991291242 is an even 9-digits composite number following 991291241
and preceding 991291243 . In scientific notation, it is written as 9.91291242 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 330378960 positive integers (up to 991291242) that are relatively prime to 991291242.
991291242 has 16 divisors, whose sum is 1982891232
The reverse of 991291242 is 242192199
Previous prime number is 12347
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
nine hundred ninety-one million two hundred ninety-one thousand two hundred forty-two
Scientific notation
9.91291242 × 10^8
Engineering notation
9.91291242 × 10^6
Prime Factorization
2 × 3 × 12347 × 13381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
991291242
Product of the distinct prime numbers
The prime factorization of 991291242 is 2 × 3 × 12347 × 13381.
Since it has a total of 4 prime factors.
1 , 1 , 92 , 52 , 857 , 558 , 3079 , 6748 , 56283 , 58258 , 799797 , 915716 , 6631334 , 4148765 , 54186367 , 94773506 , 394309264 , 843212993 , 7172030071 , 4638364150
n×2
1982582484
n×3
2973873726
n×4
3965164968
n×5
4956456210
n÷2
495645621
n÷3
330430414
n÷3
247822810.5
n÷5
198258248.4
n2
982658326465902564
n3
9.7410059290403E+26
n4
9.6561738657277E+35
n5
9.5720805843251E+44
2 √n
31484.777941094
3 √n
997.08861271656
4 √n
177.43950501817
5 √n
62.98545251206
1 , 2 , 3 , 6 , 12347 , 13381 , 24694 , 26762 , 37041 , 40143 , 74082 , 80286 , 165215207 , 330430414 , 495645621 , 991291242
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-991291241
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 991291242 can be divided by 16 positive divisors.
The sum of these divisors (counting 991291242) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000101011110011101101010
3
Ternary
2120002021210221110
4
Quaternary
323011132131222
5
Quinary
4012232304432
6
Senary
242210451150
8
Octal
7305363552
10
Decimal
991291242
12
Duodecimal
237b93ab6
16
Hexadecimal
3b15e76a
20
Vigesimal
f9fb822
36
Base36
ge6t7u
md5
c5e558bba911298dad691a56a6fa003a
sha1
f76e205f1ad043370f9e4fbdb4a5dc0ebff63e0d
sha256
96f798792d1784825e29b9dd5816b12d926cfa44f52b45cbed2fb834f634b010
sha512
67635021e82428bb373fbe5f9f69bab5f3fe66939af539e5eb6244801c296c23bea6756973f8039eddde273f1fabc4ef2d747383a6867a650b67c7abcc004dd3
ripemd-160
3d1596795769759753812fbad1f00ccbf305e1ba
Diameter
1982582484
Circumference
6228466566.8702
Area
3.0871121794141E+18
Volume
4.080303022033E+27
Surface area
1.2348448717656E+19
Circumference
6228466566.8702
Perimeter
3965164968
Area
982658326465902564
Diagonal
1401897518.6981
Surface area
5895949958795415384
Volume
9.7410059290403E+26
Space diagonal
1716966796.2421
Perimeter
2973873726
Area
4.2550353697989E+17
Altitude
858483398.12103
Surface area
4.2550353697989E+17
Volume
1.1479885580005E+26
Height
467299172.89936