125905 (number)

125905 is an odd 6-digits composite number following 125904 and preceding 125906. In scientific notation, it is written as 1.25905 × 10^5. The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors. There are 92352 positive integers (up to 125905) that are relatively prime to 125905.

Interesting facts

Basic properties

Name

Name one hundred twenty-five thousand nine hundred five

Notation

Scientific notation 1.25905 × 10^5
Engineering notation 1.25905 × 10^3

Prime Factorization of 125905

Prime Factorization 5 × 13 × 13 × 149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9685
Product of the distinct prime numbers

The prime factorization of 125905 is 5 × 13 × 13 × 149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 125905)

Multiplication

n×y
n×2 251810
n×3 377715
n×4 503620
n×5 629525

Division

n÷y
n÷2 62952.5
n÷3 41968.333333333
n÷3 31476.25
n÷5 25181

Exponentiation

ny
n2 15852069025
n3 1995854750592625
n4 2.5128809237336E+20
n5 3.1638427270268E+25

Nth Root

y√n
2√n 354.83094566286
3√n 50.120376623461
4√n 18.836956910894
5√n 10.471492728217

Divisors of 125905

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -125904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 125905 can be divided by 12 positive divisors. The sum of these divisors (counting 125905) is 1, the average is 0.083333333333333.

Base conversion 125905

Base System Value
2 Binary 11110101111010001
3 Ternary 20101201011
4 Quaternary 132233101
5 Quinary 13012110
6 Senary 2410521
8 Octal 365721
10 Decimal 125905
12 Duodecimal 60a41
16 Hexadecimal 1ebd1
20 Vigesimal fef5
36 Base36 2p5d

Cryptographic Hash Functions

md5 828e4f01b0148a5048fe639abdb6549b
sha1 684ead7b69de11bcb0bd5e70f35b31596f692da9
sha256 49cefe17224e71f0b3eafa4d958d983ca1bdbe8b04f97adcc7ac18e13e07c7f8
sha512 c24a0e36c17e77f9db0a80d28a0442cfcb70705a90473b8bacd34125b6c11576c2efe0743858236fae504a6267525e0448021ace08839ea5d83f32c849fea439
ripemd-160 e7b00c5a43966c996dd186366f653b4454218352

125905 as geometric shapes

Circle

Radius = n
Diameter 251810
Circumference 791084.44610045
Area 49800743593.138

Sphere

Radius = n
Volume 8.3602168294588E+15
Surface area 199202974372.55
Circumference 791084.44610045

Square

Length = n
Perimeter 503620
Area 15852069025
Diagonal 178056.55857058

Cube

Length = n
Surface area 95112414150
Volume 1995854750592625
Space diagonal 218073.85692696

Equilateral Triangle

Length = n
Perimeter 377715
Area 6864147239.0972
Altitude 109036.92846348

Triangular Pyramid

Length = n
Surface area 6864147239.0972
Volume 2.3521373806791E+14
Height 59352.186190195