291243121 (number)

291243121 is an odd 9-digits composite number following 291243120 and preceding 291243122. In scientific notation, it is written as 2.91243121 × 10^8. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 268674192 positive integers (up to 291243121) that are relatively prime to 291243121.

Interesting facts

Basic properties

Name

Name two hundred ninety-one million two hundred forty-three thousand one hundred twenty-one

Notation

Scientific notation 2.91243121 × 10^8
Engineering notation 2.91243121 × 10^6

Prime Factorization of 291243121

Prime Factorization 13 × 11923 × 1879

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 291243121
Product of the distinct prime numbers

The prime factorization of 291243121 is 13 × 11923 × 1879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 24, 26, 346, 52, 1191, 926, 3832, 94903, 821541, 794136, 5497060, 2621431, 62890793, 97399577, 623933649, 144713195, 8921618275, 9212245168

Basic calculations (n = 291243121)

Multiplication

n×y
n×2 582486242
n×3 873729363
n×4 1164972484
n×5 1456215605

Division

n÷y
n÷2 145621560.5
n÷3 97081040.333333
n÷3 72810780.25
n÷5 58248624.2

Exponentiation

ny
n2 84822555529820641
n3 2.4703985803701E+25
n4 7.1948659266095E+33
n5 2.0954552076423E+42

Nth Root

y√n
2√n 17065.846624179
3√n 662.85503391116
4√n 130.63631433939
5√n 49.300478591321

Divisors of 291243121

1, 13, 1879, 11923, 24427, 154999, 22403317, 291243121

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 -291243120
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 291243121 can be divided by 8 positive divisors. The sum of these divisors (counting 291243121) is 1, the average is 0.125.

Base conversion 291243121

Base System Value
2 Binary 10001010111000000010001110001
3 Ternary 202022000200110021
4 Quaternary 101113000101301
5 Quinary 1044024234441
6 Senary 44522203441
8 Octal 2127002161
10 Decimal 291243121
12 Duodecimal 81653581
16 Hexadecimal 115c0471
20 Vigesimal 4b057g1
36 Base36 4tecmp

Cryptographic Hash Functions

md5 76b30c329eb0c9dad789f6724b5f3a28
sha1 011875e68543860b7f6639b4b15872f2bc98351f
sha256 2779b5212e068141fe1a0d85de8465849d0b25472b137e377147f88b6c66390e
sha512 0a1d1872db4388bc7d41217f704a67d468b73b1f351e7aa75438d8ece40d8d5d17df6c8d94704ab6b17eb520e67b0268544b2d656090eb51763b0fcd1f9b097e
ripemd-160 d21ee3d064458ee6942cc7b1f0c7055a461993b8

291243121 as geometric shapes

Circle

Radius = n
Diameter 582486242
Circumference 1829934498.6843
Area 2.664779173112E+17

Sphere

Radius = n
Volume 1.0347981375372E+26
Surface area 1.0659116692448E+18
Circumference 1829934498.6843

Square

Length = n
Perimeter 1164972484
Area 84822555529820641
Diagonal 411879971.66607

Cube

Length = n
Surface area 508935333178923846
Volume 2.4703985803701E+25
Space diagonal 504447882.92693

Equilateral Triangle

Length = n
Perimeter 873729363
Area 3.672924395137E+16
Altitude 252223941.46347

Triangular Pyramid

Length = n
Surface area 3.672924395137E+16
Volume 2.9113926473555E+24
Height 137293323.88869