291288138 (number)

291288138 is an even 9-digits composite number following 291288137 and preceding 291288139. In scientific notation, it is written as 2.91288138 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 97012800 positive integers (up to 291288138) that are relatively prime to 291288138.

Interesting facts

Basic properties

Name

Name two hundred ninety-one million two hundred eighty-eight thousand one hundred thirty-eight

Notation

Scientific notation 2.91288138 × 10^8
Engineering notation 2.91288138 × 10^6

Prime Factorization of 291288138

Prime Factorization 2 × 3 × 1201 × 40423

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 291288138
Product of the distinct prime numbers

The prime factorization of 291288138 is 2 × 3 × 1201 × 40423. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 8, 59, 551, 256, 8515, 8929, 55937, 71757, 354611, 113711, 1671183, 9910954, 47860906, 52103541, 796887398, 918108814, 3028819342, 1855776684

Basic calculations (n = 291288138)

Multiplication

n×y
n×2 582576276
n×3 873864414
n×4 1165152552
n×5 1456440690

Division

n÷y
n÷2 145644069
n÷3 97096046
n÷3 72822034.5
n÷5 58257627.6

Exponentiation

ny
n2 84848779339507044
n3 2.4715442945378E+25
n4 7.1993153554044E+33
n5 2.0970751647505E+42

Nth Root

y√n
2√n 17067.165494012
3√n 662.88918431176
4√n 130.64136211021
5√n 49.302002556888

Divisors of 291288138

1, 2, 3, 6, 1201, 2402, 3603, 7206, 40423, 80846, 121269, 242538, 48548023, 97096046, 145644069, 291288138

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 -291288137
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 291288138 can be divided by 16 positive divisors. The sum of these divisors (counting 291288138) is 1, the average is 0.0625.

Base conversion 291288138

Base System Value
2 Binary 10001010111001011010001001010
3 Ternary 202022002222012120
4 Quaternary 101113023101022
5 Quinary 1044032210023
6 Senary 44523152110
8 Octal 2127132112
10 Decimal 291288138
12 Duodecimal 81675636
16 Hexadecimal 115cb44a
20 Vigesimal 4b0b06i
36 Base36 4tfbd6

Cryptographic Hash Functions

md5 4620f8b4e230c243423d51c21a0ad7b3
sha1 ed55cc91b4e59dca601744ba5595691ee8e4fd32
sha256 4bc39cab31d6303a02ef06be91a2b3e6a74bf9ee1db51d6bb078aa3fcb879320
sha512 8dac11e8da58d22072111009c0d1e7acfc3a904f29cc878ce73bd935f4b1778a7566c4560c158ffe3742b93940e83bd00b4250ae8fad5673e4c21e1372befcf8
ripemd-160 aa50d566cd45cd21788c278da17fd063e0c224b2

291288138 as geometric shapes

Circle

Radius = n
Diameter 582576276
Circumference 1830217348.8373
Area 2.6656030183906E+17

Sphere

Radius = n
Volume 1.0352780531656E+26
Surface area 1.0662412073562E+18
Circumference 1830217348.8373

Square

Length = n
Perimeter 1165152552
Area 84848779339507044
Diagonal 411943635.31801

Cube

Length = n
Surface area 509092676037042264
Volume 2.4715442945378E+25
Space diagonal 504525854.65813

Equilateral Triangle

Length = n
Perimeter 873864414
Area 3.6740599194057E+16
Altitude 252262927.32907

Triangular Pyramid

Length = n
Surface area 3.6740599194057E+16
Volume 2.912742884451E+24
Height 137314545.106