123742 (number)

123742 is an even 6-digits composite number following 123741 and preceding 123743. In scientific notation, it is written as 1.23742 × 10^5. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 61870 positive integers (up to 123742) that are relatively prime to 123742.

Interesting facts

Basic properties

Name

Name one hundred twenty-three thousand seven hundred forty-two

Notation

Scientific notation 1.23742 × 10^5
Engineering notation 1.23742 × 10^3

Prime Factorization of 123742

Prime Factorization 2 × 61871

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 123742
Product of the distinct prime numbers

The prime factorization of 123742 is 2 × 61871. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 123742)

Multiplication

n×y
n×2 247484
n×3 371226
n×4 494968
n×5 618710

Division

n÷y
n÷2 61871
n÷3 41247.333333333
n÷3 30935.5
n÷5 24748.4

Exponentiation

ny
n2 15312082564
n3 1894747720634488
n4 2.3445987244675E+20
n5 2.9012533536306E+25

Nth Root

y√n
2√n 351.76981109811
3√n 49.83170080992
4√n 18.755527481202
5√n 10.435263652435

Divisors of 123742

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -123741
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 123742 can be divided by 4 positive divisors. The sum of these divisors (counting 123742) is 1, the average is 0.25.

Base conversion 123742

Base System Value
2 Binary 11110001101011110
3 Ternary 20021202001
4 Quaternary 132031132
5 Quinary 12424432
6 Senary 2352514
8 Octal 361536
10 Decimal 123742
12 Duodecimal 5b73a
16 Hexadecimal 1e35e
20 Vigesimal f972
36 Base36 2nha

Cryptographic Hash Functions

md5 ec0556250f2d434da6d88157bd6ddd9e
sha1 bf8586484ce4337c56879c58dd158b93277ba254
sha256 6d1b173e87b738f5e31a68490c6c6573a3ff62ec62055a1a2dd62b74c2f170e8
sha512 de62598a65cdf6a578ad57fab5de5dc9b1f2db201506a8d4b1f7c8ec50b316d5f25bbc75fd4622c5a8f36130e1338dec57561501c28f7c5a9b23097586e36595
ripemd-160 3e0ef29c1ba917aac622b1ed94ae0c8c31bf0f4e

123742 as geometric shapes

Circle

Radius = n
Diameter 247484
Circumference 777493.91628102
Area 48104326094.223

Sphere

Radius = n
Volume 7.9367006927351E+15
Surface area 192417304376.89
Circumference 777493.91628102

Square

Length = n
Perimeter 494968
Area 15312082564
Diagonal 174997.61463517

Cube

Length = n
Surface area 91872495384
Volume 1894747720634488
Space diagonal 214327.43103019

Equilateral Triangle

Length = n
Perimeter 371226
Area 6630326242.6344
Altitude 107163.71551509

Triangular Pyramid

Length = n
Surface area 6630326242.6344
Volume 2.232981603164E+14
Height 58332.538211724