61561805 (number)

61561805 is an odd 8-digits composite number following 61561804 and preceding 61561806. In scientific notation, it is written as 6.1561805 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 46657296 positive integers (up to 61561805) that are relatively prime to 61561805.

Interesting facts

Basic properties

Name

Name sixty-one million five hundred sixty-one thousand eight hundred five

Notation

Scientific notation 6.1561805 × 10^7
Engineering notation 6.1561805 × 10^6

Prime Factorization of 61561805

Prime Factorization 5 × 19 × 648019

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 61561805
Product of the distinct prime numbers

The prime factorization of 61561805 is 5 × 19 × 648019. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61561805)

Multiplication

n×y
n×2 123123610
n×3 184685415
n×4 246247220
n×5 307809025

Division

n÷y
n÷2 30780902.5
n÷3 20520601.666667
n÷3 15390451.25
n÷5 12312361

Exponentiation

ny
n2 3789855834858025
n3 2.3331036588364E+23
n4 1.4363007249007E+31
n5 8.8421265147698E+38

Nth Root

y√n
2√n 7846.13312403
3√n 394.85452101389
4√n 88.578401001768
5√n 36.129526423312

Divisors of 61561805

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 -61561804
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 61561805 can be divided by 8 positive divisors. The sum of these divisors (counting 61561805) is 1, the average is 0.125.

Base conversion 61561805

Base System Value
2 Binary 11101010110101101111001101
3 Ternary 11021211122220212
4 Quaternary 3222311233031
5 Quinary 111224434210
6 Senary 10035252205
8 Octal 352655715
10 Decimal 61561805
12 Duodecimal 1874a065
16 Hexadecimal 3ab5bcd
20 Vigesimal j4f4a5
36 Base36 10nhe5

Cryptographic Hash Functions

md5 440593975ed602397a0e7062c69792ba
sha1 e0da9f9701449d5f4ad85a420742752153f7cad6
sha256 46d51de64ee898700f7d7318d89273fbfab9e40a79edfb67406aafcf9a31f919
sha512 19b39f5b47be95d85b2afbea3a5e756394b34226fef26f7a60b860623cd1f9985623bbe1bf05bc4e8fdeba0f7c80522471bc0868584b6a445dd1b6d6d1e7fcea
ripemd-160 e1a9185b4072c44b73189a45241a883fa9341767

61561805 as geometric shapes

Circle

Radius = n
Diameter 123123610
Circumference 386804228.65945
Area 1.1906183248954E+16

Sphere

Radius = n
Volume 9.7728817528853E+23
Surface area 4.7624732995818E+16
Circumference 386804228.65945

Square

Length = n
Perimeter 246247220
Area 3789855834858025
Diagonal 87061539.555168

Cube

Length = n
Surface area 22739135009148150
Volume 2.3331036588364E+23
Space diagonal 106628174.06565

Equilateral Triangle

Length = n
Perimeter 184685415
Area 1.6410557148339E+15
Altitude 53314087.032824

Triangular Pyramid

Length = n
Surface area 1.6410557148339E+15
Volume 2.749589030624E+22
Height 29020513.185056