123945 (number)

123945 is an odd 6-digits composite number following 123944 and preceding 123946. In scientific notation, it is written as 1.23945 × 10^5. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 66096 positive integers (up to 123945) that are relatively prime to 123945.

Interesting facts

Basic properties

Name

Name one hundred twenty-three thousand nine hundred forty-five

Notation

Scientific notation 1.23945 × 10^5
Engineering notation 1.23945 × 10^3

Prime Factorization of 123945

Prime Factorization 5 × 3 × 8263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 123945
Product of the distinct prime numbers

The prime factorization of 123945 is 5 × 3 × 8263. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 123945)

Multiplication

n×y
n×2 247890
n×3 371835
n×4 495780
n×5 619725

Division

n÷y
n÷2 61972.5
n÷3 41315
n÷3 30986.25
n÷5 24789

Exponentiation

ny
n2 15362363025
n3 1904088085133625
n4 2.3600219771189E+20
n5 2.92512923954E+25

Nth Root

y√n
2√n 352.05823381935
3√n 49.858935725014
4√n 18.763214911612
5√n 10.438685238983

Divisors of 123945

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 -123944
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 123945 can be divided by 8 positive divisors. The sum of these divisors (counting 123945) is 1, the average is 0.125.

Base conversion 123945

Base System Value
2 Binary 11110010000101001
3 Ternary 20022000120
4 Quaternary 132100221
5 Quinary 12431240
6 Senary 2353453
8 Octal 362051
10 Decimal 123945
12 Duodecimal 5b889
16 Hexadecimal 1e429
20 Vigesimal f9h5
36 Base36 2nmx

Cryptographic Hash Functions

md5 cbd7eb73383aff17d490ae71017393de
sha1 2336000ccfdbb1e9bd31285c872ed81700a9196d
sha256 a2189e1ff748f6bf17f3edc82ac8e373b3a8ed8cd03fb7ac108160a440dbc216
sha512 8869c3a27cbe429c4c73d93b6b7befc3551c2ea5720735e061cdcbc7d3bc5d035eb417beae493117d7bd7bea1002118ee58270f1d9365eb29f89ac5b2949bbba
ripemd-160 7dbac6caa8e05760ad879696589796148c6ae4f1

123945 as geometric shapes

Circle

Radius = n
Diameter 247890
Circumference 778769.40289837
Area 48262286821.119

Sphere

Radius = n
Volume 7.9758255200582E+15
Surface area 193049147284.48
Circumference 778769.40289837

Square

Length = n
Perimeter 495780
Area 15362363025
Diagonal 175284.69998833

Cube

Length = n
Surface area 92174178150
Volume 1904088085133625
Space diagonal 214679.03734412

Equilateral Triangle

Length = n
Perimeter 371835
Area 6652098320.9044
Altitude 107339.51867206

Triangular Pyramid

Length = n
Surface area 6652098320.9044
Volume 2.2439893282908E+14
Height 58428.233329444