291228990 (number)

291228990 is an even 9-digits composite number following 291228989 and preceding 291228991. In scientific notation, it is written as 2.91228990 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 68568192 positive integers (up to 291228990) that are relatively prime to 291228990.

Interesting facts

Basic properties

Name

Name two hundred ninety-one million two hundred twenty-eight thousand nine hundred ninety

Notation

Scientific notation 2.91228990 × 10^8
Engineering notation 2.91228990 × 10^6

Prime Factorization of 291228990

Prime Factorization 2 × 4485 × 32467

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 291228990
Product of the distinct prime numbers

The prime factorization of 291228990 is 2 × 4485 × 32467. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 291228990)

Multiplication

n×y
n×2 582457980
n×3 873686970
n×4 1164915960
n×5 1456144950

Division

n÷y
n÷2 145614495
n÷3 97076330
n÷3 72807247.5
n÷5 58245798

Exponentiation

ny
n2 84814324616420100
n3 2.4700390095572E+25
n4 7.1934696601395E+33
n5 2.0949469037181E+42

Nth Root

y√n
2√n 17065.432605123
3√n 662.84431325053
4√n 130.63472970509
5√n 49.300000174126

Divisors of 291228990

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 -291228989
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 291228990 can be divided by 8 positive divisors. The sum of these divisors (counting 291228990) is 1, the average is 0.125.

Base conversion 291228990

Base System Value
2 Binary 10001010110111100110100111110
3 Ternary 202021222222001220
4 Quaternary 101112330310332
5 Quinary 1044023311430
6 Senary 44522014210
8 Octal 2126746476
10 Decimal 291228990
12 Duodecimal 81647366
16 Hexadecimal 115bcd3e
20 Vigesimal 4b03c9a
36 Base36 4te1q6

Cryptographic Hash Functions

md5 98df98633faa4d2e57d1163ff88dec0d
sha1 0c80827a9f1100b0bf20c85045f37b40c28a0b1e
sha256 07399777beabdb55951c1be1875e25bd115bf808341171c07798d577c49af383
sha512 09b0dfee7380b3021ba8a8b5f7360c4801bf04d4973895d6b0f4f6137b3cddc73ecbed813d1a98310fe157b56327301902430a8850eee0c3f6e1ec5e9ed74037
ripemd-160 3c87f21278da6ac2af526c44965f298e797701e2

291228990 as geometric shapes

Circle

Radius = n
Diameter 582457980
Circumference 1829845710.9928
Area 2.6645205913413E+17

Sphere

Radius = n
Volume 1.0346475208674E+26
Surface area 1.0658082365365E+18
Circumference 1829845710.9928

Square

Length = n
Perimeter 1164915960
Area 84814324616420100
Diagonal 411859987.41422

Cube

Length = n
Surface area 508885947698520600
Volume 2.4700390095572E+25
Space diagonal 504423407.31697

Equilateral Triangle

Length = n
Perimeter 873686970
Area 3.672567986132E+16
Altitude 252211703.65848

Triangular Pyramid

Length = n
Surface area 3.672567986132E+16
Volume 2.9109688890887E+24
Height 137286662.47141