991291242 (number)

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.

Interesting facts

Basic properties

Name

Name nine hundred ninety-one million two hundred ninety-one thousand two hundred forty-two

Notation

Scientific notation 9.91291242 × 10^8
Engineering notation 9.91291242 × 10^6

Prime Factorization of 991291242

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.

Most popular turbo-numbers

Basic calculations (n = 991291242)

Multiplication

n×y
n×2 1982582484
n×3 2973873726
n×4 3965164968
n×5 4956456210

Division

n÷y
n÷2 495645621
n÷3 330430414
n÷3 247822810.5
n÷5 198258248.4

Exponentiation

ny
n2 982658326465902564
n3 9.7410059290403E+26
n4 9.6561738657277E+35
n5 9.5720805843251E+44

Nth Root

y√n
2√n 31484.777941094
3√n 997.08861271656
4√n 177.43950501817
5√n 62.98545251206

Divisors of 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 conversion 991291242

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

Cryptographic Hash Functions

md5 c5e558bba911298dad691a56a6fa003a
sha1 f76e205f1ad043370f9e4fbdb4a5dc0ebff63e0d
sha256 96f798792d1784825e29b9dd5816b12d926cfa44f52b45cbed2fb834f634b010
sha512 67635021e82428bb373fbe5f9f69bab5f3fe66939af539e5eb6244801c296c23bea6756973f8039eddde273f1fabc4ef2d747383a6867a650b67c7abcc004dd3
ripemd-160 3d1596795769759753812fbad1f00ccbf305e1ba

991291242 as geometric shapes

Circle

Radius = n
Diameter 1982582484
Circumference 6228466566.8702
Area 3.0871121794141E+18

Sphere

Radius = n
Volume 4.080303022033E+27
Surface area 1.2348448717656E+19
Circumference 6228466566.8702

Square

Length = n
Perimeter 3965164968
Area 982658326465902564
Diagonal 1401897518.6981

Cube

Length = n
Surface area 5895949958795415384
Volume 9.7410059290403E+26
Space diagonal 1716966796.2421

Equilateral Triangle

Length = n
Perimeter 2973873726
Area 4.2550353697989E+17
Altitude 858483398.12103

Triangular Pyramid

Length = n
Surface area 4.2550353697989E+17
Volume 1.1479885580005E+26
Height 467299172.89936