123978909 (number)

123978909 is an odd 9-digits composite number following 123978908 and preceding 123978910. In scientific notation, it is written as 1.23978909 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 77680128 positive integers (up to 123978909) that are relatively prime to 123978909.

Interesting facts

Basic properties

Name

Name one hundred twenty-three million nine hundred seventy-eight thousand nine hundred nine

Notation

Scientific notation 1.23978909 × 10^8
Engineering notation 1.23978909 × 10^6

Prime Factorization of 123978909

Prime Factorization 3 × 17 × 983 × 2473

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 123978909
Product of the distinct prime numbers

The prime factorization of 123978909 is 3 × 17 × 983 × 2473. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 123978909)

Multiplication

n×y
n×2 247957818
n×3 371936727
n×4 495915636
n×5 619894545

Division

n÷y
n÷2 61989454.5
n÷3 41326303
n÷3 30994727.25
n÷5 24795781.8

Exponentiation

ny
n2 15370769876830281
n3 1.9056512798195E+24
n4 2.3626056660647E+32
n5 2.9291327287592E+40

Nth Root

y√n
2√n 11134.581671531
3√n 498.63482129997
4√n 105.52052725196
5√n 41.55942804888

Divisors of 123978909

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -123978908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 123978909 can be divided by 16 positive divisors. The sum of these divisors (counting 123978909) is 1, the average is 0.0625.

Base conversion 123978909

Base System Value
2 Binary 111011000111100010010011101
3 Ternary 22122021210002110
4 Quaternary 13120330102131
5 Quinary 223214311114
6 Senary 20145144233
8 Octal 730742235
10 Decimal 123978909
12 Duodecimal 3562b079
16 Hexadecimal 763c49d
20 Vigesimal 1ieh759
36 Base36 21taql

Cryptographic Hash Functions

md5 e4e3b8484ccde0df144a145297711e48
sha1 3ae45c88c71c070b05f5d7f8f0c5276c4512ac8b
sha256 faa92f5a55b1de2d80b7c9db274bc8336bea38f38ad650147e9e7a5f9216a72c
sha512 95f265899755004d7ffdbe704b963f39162050dcc12be614637779afb82f03500bb94aa30116218ed91f695b594f1f03b90c0c4c8e93e17e507ab49fe29def13
ripemd-160 3c667d82b00efc16c450b8f7e3e9f13ee3754469

123978909 as geometric shapes

Circle

Radius = n
Diameter 247957818
Circumference 778982459.42895
Area 4.8288697725069E+16

Sphere

Radius = n
Volume 7.9823734146465E+24
Surface area 1.9315479090028E+17
Circumference 778982459.42895

Square

Length = n
Perimeter 495915636
Area 15370769876830281
Diagonal 175332654.55602

Cube

Length = n
Surface area 92224619260981686
Volume 1.9056512798195E+24
Space diagonal 214737769.45496

Equilateral Triangle

Length = n
Perimeter 371936727
Area 6.6557385945298E+15
Altitude 107368884.72748

Triangular Pyramid

Length = n
Surface area 6.6557385945298E+15
Volume 2.2458315708953E+23
Height 58444218.18534