291242161 (number)

291242161 is an odd 9-digits composite number following 291242160 and preceding 291242162. In scientific notation, it is written as 2.91242161 × 10^8. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 249522720 positive integers (up to 291242161) that are relatively prime to 291242161.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.91242161 × 10^8
Engineering notation 2.91242161 × 10^6

Prime Factorization of 291242161

Prime Factorization 7 × 2543 × 16361

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 291242161
Product of the distinct prime numbers

The prime factorization of 291242161 is 7 × 2543 × 16361. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 40, 18, 620, 369, 2573, 4818, 71153, 97335, 287787, 503113, 1761572, 4363411, 59970343, 40990498, 893512264, 259795138, 2399094360, 1397978009

Basic calculations (n = 291242161)

Multiplication

n×y
n×2 582484322
n×3 873726483
n×4 1164968644
n×5 1456210805

Division

n÷y
n÷2 145621080.5
n÷3 97080720.333333
n÷3 72810540.25
n÷5 58248432.2

Exponentiation

ny
n2 84821996343949921
n3 2.4703741515546E+25
n4 7.1947710637731E+33
n5 2.0954206725135E+42

Nth Root

y√n
2√n 17065.818497804
3√n 662.85430560608
4√n 130.6362066879
5√n 49.300446090281

Divisors of 291242161

1, 7, 2543, 16361, 17801, 114527, 41606023, 291242161

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 -291242160
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 291242161 can be divided by 8 positive divisors. The sum of these divisors (counting 291242161) is 1, the average is 0.125.

Base conversion 291242161

Base System Value
2 Binary 10001010111000000000010110001
3 Ternary 202022000122010201
4 Quaternary 101113000002301
5 Quinary 1044024222121
6 Senary 44522155201
8 Octal 2127000261
10 Decimal 291242161
12 Duodecimal 81652b01
16 Hexadecimal 115c00b1
20 Vigesimal 4b05581
36 Base36 4tebw1

Cryptographic Hash Functions

md5 1ae074c9b1ee223fcf4523221ed43b9b
sha1 a5446b975ecbb14f1c6357bb66a2b7c981bdcabf
sha256 62cecd107f670dca25c204846d18003a9655eb4c8327843c13227924bb4a11f7
sha512 d2a3eccb04a6437e23d7338aa7927e0ed1348e1cd6cbf107d0659e1944cecc9850c366a69cb91eecac364053ec60e2d0ae56752f3e4038a943f809d0f0c1030f
ripemd-160 40dc670cd4ef19eac217271357748adaf7830713

291242161 as geometric shapes

Circle

Radius = n
Diameter 582484322
Circumference 1829928466.8264
Area 2.6647616057697E+17

Sphere

Radius = n
Volume 1.0347879048189E+26
Surface area 1.0659046423079E+18
Circumference 1829928466.8264

Square

Length = n
Perimeter 1164968644
Area 84821996343949921
Diagonal 411878614.02105

Cube

Length = n
Surface area 508931978063699526
Volume 2.4703741515546E+25
Space diagonal 504446220.15815

Equilateral Triangle

Length = n
Perimeter 873726483
Area 3.6729001816786E+16
Altitude 252223110.07908

Triangular Pyramid

Length = n
Surface area 3.6729001816786E+16
Volume 2.9113638577204E+24
Height 137292871.34035