123456 (number)

123456 is an even 6-digits composite number following 123455 and preceding 123457. In scientific notation, it is written as 1.23456 × 10^5. The sum of its digits is 21. It has a total of 8 prime factors and 28 positive divisors. There are 41088 positive integers (up to 123456) that are relatively prime to 123456.

Interesting facts

Basic properties

Name

Name one hundred twenty-three thousand four hundred fifty-six

Notation

Scientific notation 1.23456 × 10^5
Engineering notation 1.23456 × 10^3

Prime Factorization of 123456

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 643

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3858
Product of the distinct prime numbers

The prime factorization of 123456 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 643. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 123456)

Multiplication

n×y
n×2 246912
n×3 370368
n×4 493824
n×5 617280

Division

n÷y
n÷2 61728
n÷3 41152
n÷3 30864
n÷5 24691.2

Exponentiation

ny
n2 15241383936
n3 1881640295202816
n4 2.3229978428456E+20
n5 2.8678802168634E+25

Nth Root

y√n
2√n 351.36306009596
3√n 49.79327984674
4√n 18.744680848069
5√n 10.430435464098

Divisors of 123456

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -123455
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 123456 can be divided by 28 positive divisors. The sum of these divisors (counting 123456) is 1, the average is 0.035714285714286.

Base conversion 123456

Base System Value
2 Binary 11110001001000000
3 Ternary 20021100110
4 Quaternary 132021000
5 Quinary 12422311
6 Senary 2351320
8 Octal 361100
10 Decimal 123456
12 Duodecimal 5b540
16 Hexadecimal 1e240
20 Vigesimal f8cg
36 Base36 2n9c

Cryptographic Hash Functions

md5 e10adc3949ba59abbe56e057f20f883e
sha1 7c4a8d09ca3762af61e59520943dc26494f8941b
sha256 8d969eef6ecad3c29a3a629280e686cf0c3f5d5a86aff3ca12020c923adc6c92
sha512 ba3253876aed6bc22d4a6ff53d8406c6ad864195ed144ab5c87621b6c233b548baeae6956df346ec8c17f5ea10f35ee3cbc514797ed7ddd3145464e2a0bab413
ripemd-160 d8913df37b24c97f28f840114d05bd110dbb2e44

123456 as geometric shapes

Circle

Radius = n
Diameter 246912
Circumference 775696.92528316
Area 47882219803.879

Sphere

Radius = n
Volume 7.8817964374769E+15
Surface area 191528879215.52
Circumference 775696.92528316

Square

Length = n
Perimeter 493824
Area 15241383936
Diagonal 174593.14955633

Cube

Length = n
Surface area 91448303616
Volume 1881640295202816
Space diagonal 213832.06449922

Equilateral Triangle

Length = n
Perimeter 370368
Area 6599712838.704
Altitude 106916.03224961

Triangular Pyramid

Length = n
Surface area 6599712838.704
Volume 2.2175343541529E+14
Height 58197.716518778