125821905 (number)

125821905 is an odd 9-digits composite number following 125821904 and preceding 125821906. In scientific notation, it is written as 1.25821905 × 10^8. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 61004480 positive integers (up to 125821905) that are relatively prime to 125821905.

Interesting facts

Basic properties

Name

Name one hundred twenty-five million eight hundred twenty-one thousand nine hundred five

Notation

Scientific notation 1.25821905 × 10^8
Engineering notation 1.25821905 × 10^6

Prime Factorization of 125821905

Prime Factorization 165 × 762557

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 125821905
Product of the distinct prime numbers

The prime factorization of 125821905 is 165 × 762557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 125821905)

Multiplication

n×y
n×2 251643810
n×3 377465715
n×4 503287620
n×5 629109525

Division

n÷y
n÷2 62910952.5
n÷3 41940635
n÷3 31455476.25
n÷5 25164381

Exponentiation

ny
n2 15831151777829025
n3 1.9919056750306E+24
n4 2.5062536661266E+32
n5 3.1534161068528E+40

Nth Root

y√n
2√n 11217.036373303
3√n 501.09348019217
4√n 105.91051115589
5√n 41.682259329327

Divisors of 125821905

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 -125821904
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 125821905 can be divided by 4 positive divisors. The sum of these divisors (counting 125821905) is 1, the average is 0.25.

Base conversion 125821905

Base System Value
2 Binary 111011111111110001111010001
3 Ternary 22202202102012120
4 Quaternary 13133332033101
5 Quinary 224202300110
6 Senary 20252444453
8 Octal 737761721
10 Decimal 125821905
12 Duodecimal 36179729
16 Hexadecimal 77fe3d1
20 Vigesimal 1j67ef5
36 Base36 22wssx

Cryptographic Hash Functions

md5 c3335d5089106f15fb642ef1289b715b
sha1 ff07ef3728015caf953a993505e02ca75137332f
sha256 307d422f79f33d920dfbe6587f4377ada82deff12fa691f69e9bacc255f16cfe
sha512 593fce938ae4c5f12e1bc20ff4fd637daaa3eecc082891af60e71d8bbdad37690da040a8df11d4bf5fa493b166ac60f9ecf2b09e5303e5fb7edac6c97567da38
ripemd-160 a7e7682f5d004ef3f0fa8029609a80a07bce0434

125821905 as geometric shapes

Circle

Radius = n
Diameter 251643810
Circumference 790562344.81735
Area 4.9735030123093E+16

Sphere

Radius = n
Volume 8.3436749804265E+24
Surface area 1.9894012049237E+17
Circumference 790562344.81735

Square

Length = n
Perimeter 503287620
Area 15831151777829025
Diagonal 177939044.49462

Cube

Length = n
Surface area 94986910666974150
Volume 1.9919056750306E+24
Space diagonal 217929932.1651

Equilateral Triangle

Length = n
Perimeter 377465715
Area 6.8550898053836E+15
Altitude 108964966.08255

Triangular Pyramid

Length = n
Surface area 6.8550898053836E+15
Volume 2.3474833504968E+23
Height 59313014.83154