243945 (number)

243945 is an odd 6-digits composite number following 243944 and preceding 243946. In scientific notation, it is written as 2.43945 × 10^5. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 119232 positive integers (up to 243945) that are relatively prime to 243945.

Interesting facts

Basic properties

Name

Name two hundred forty-three thousand nine hundred forty-five

Notation

Scientific notation 2.43945 × 10^5
Engineering notation 2.43945 × 10^3

Prime Factorization of 243945

Prime Factorization 15 × 3 × 3 × 13 × 139

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81315
Product of the distinct prime numbers

The prime factorization of 243945 is 15 × 3 × 3 × 13 × 139. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 243945)

Multiplication

n×y
n×2 487890
n×3 731835
n×4 975780
n×5 1219725

Division

n÷y
n÷2 121972.5
n÷3 81315
n÷3 60986.25
n÷5 48789

Exponentiation

ny
n2 59509163025
n3 14516962774133625
n4 3.541340483936E+21
n5 8.6389230435377E+26

Nth Root

y√n
2√n 493.90788614882
3√n 62.483302206003
4√n 22.224038475237
5√n 11.952489867727

Divisors of 243945

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 -243944
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 243945 can be divided by 24 positive divisors. The sum of these divisors (counting 243945) is 1, the average is 0.041666666666667.

Base conversion 243945

Base System Value
2 Binary 111011100011101001
3 Ternary 110101122000
4 Quaternary 323203221
5 Quinary 30301240
6 Senary 5121213
8 Octal 734351
10 Decimal 243945
12 Duodecimal b9209
16 Hexadecimal 3b8e9
20 Vigesimal 1a9h5
36 Base36 5889

Cryptographic Hash Functions

md5 e75d2ffe591896e2850601af5b74cb6e
sha1 be03289db402eb817700c77652676c9749883dd5
sha256 ff4340735a5ab5fe33788583b51e4d92db9cd5c7cff9a27982b37d91c0a5575b
sha512 160ef2502cf3a7eb2fd44705b4796d26ad05c63200dbca0fe37175514d1b28aa23129990374ded33c94d12eeb54517f0628fd04a8e89956382182ee849886f40
ripemd-160 1b206a482d7f8f17db1533f6891aaae650459096

243945 as geometric shapes

Circle

Radius = n
Diameter 487890
Circumference 1532751.6397599
Area 186953549380.62

Sphere

Radius = n
Volume 6.080851147154E+16
Surface area 747814197522.47
Circumference 1532751.6397599

Square

Length = n
Perimeter 975780
Area 59509163025
Diagonal 344990.3274731

Cube

Length = n
Surface area 357054978150
Volume 14516962774133625
Space diagonal 422525.13425239

Equilateral Triangle

Length = n
Perimeter 731835
Area 25768223468.8
Altitude 211262.56712619

Triangular Pyramid

Length = n
Surface area 25768223468.8
Volume 1.7108404699704E+15
Height 114996.77582437