291288668 (number)

291288668 is an even 9-digits composite number following 291288667 and preceding 291288669. In scientific notation, it is written as 2.91288668 × 10^8. The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors. There are 131164400 positive integers (up to 291288668) that are relatively prime to 291288668.

Interesting facts

Basic properties

Name

Name two hundred ninety-one million two hundred eighty-eight thousand six hundred sixty-eight

Notation

Scientific notation 2.91288668 × 10^8
Engineering notation 2.91288668 × 10^6

Prime Factorization of 291288668

Prime Factorization 2 × 2 × 11 × 107 × 61871

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 145644334
Product of the distinct prime numbers

The prime factorization of 291288668 is 2 × 2 × 11 × 107 × 61871. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 291288668)

Multiplication

n×y
n×2 582577336
n×3 873866004
n×4 1165154672
n×5 1456443340

Division

n÷y
n÷2 145644334
n÷3 97096222.666667
n÷3 72822167
n÷5 58257733.6

Exponentiation

ny
n2 84849088105214224
n3 2.4715577855182E+25
n4 7.1993677522864E+33
n5 2.0970942430057E+42

Nth Root

y√n
2√n 17067.181020895
3√n 662.88958635474
4√n 130.6414215358
5√n 49.302020497915

Divisors of 291288668

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -291288667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 291288668 can be divided by 24 positive divisors. The sum of these divisors (counting 291288668) is 1, the average is 0.041666666666667.

Base conversion 291288668

Base System Value
2 Binary 10001010111001011011001011100
3 Ternary 202022002222221012
4 Quaternary 101113023121130
5 Quinary 1044032214133
6 Senary 44523154352
8 Octal 2127133134
10 Decimal 291288668
12 Duodecimal 816759b8
16 Hexadecimal 115cb65c
20 Vigesimal 4b0b1d8
36 Base36 4tfbrw

Cryptographic Hash Functions

md5 bbee97e5289c1cb3e11a47e7ea3e28f1
sha1 2da1e8a73ffc419862c69ee8d045ae599aaca9f6
sha256 44d5e79526f4fa89024485e900d8023e6e25f78048bc42646c1162768df765ee
sha512 47008a9a5f8540fb38595ad9ca203ee2162a3666353b12f5498c3000d5649384dee9ddb8798feeab997958b179cc3f18083ca4e0770f553e13874eaa9cbbb90e
ripemd-160 3c5c9be20ad982e71abfee10559b7bcb692a5310

291288668 as geometric shapes

Circle

Radius = n
Diameter 582577336
Circumference 1830220678.9255
Area 2.6656127185513E+17

Sphere

Radius = n
Volume 1.0352837042542E+26
Surface area 1.0662450874205E+18
Circumference 1830220678.9255

Square

Length = n
Perimeter 1165154672
Area 84849088105214224
Diagonal 411944384.85119

Cube

Length = n
Surface area 509094528631285344
Volume 2.4715577855182E+25
Space diagonal 504526772.64506

Equilateral Triangle

Length = n
Perimeter 873866004
Area 3.674073289353E+16
Altitude 252263386.32253

Triangular Pyramid

Length = n
Surface area 3.674073289353E+16
Volume 2.9127587837239E+24
Height 137314794.9504