61561444 (number)

61561444 is an even 8-digits composite number following 61561443 and preceding 61561445. In scientific notation, it is written as 6.1561444 × 10^7. The sum of its digits is 31. It has a total of 7 prime factors and 72 positive divisors. There are 24494400 positive integers (up to 61561444) that are relatively prime to 61561444.

Interesting facts

Basic properties

Name

Name sixty-one million five hundred sixty-one thousand four hundred forty-four

Notation

Scientific notation 6.1561444 × 10^7
Engineering notation 6.1561444 × 10^6

Prime Factorization of 61561444

Prime Factorization 2 × 2 × 7 × 7 × 19 × 61 × 271

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 4397246
Product of the distinct prime numbers

The prime factorization of 61561444 is 2 × 2 × 7 × 7 × 19 × 61 × 271. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61561444)

Multiplication

n×y
n×2 123122888
n×3 184684332
n×4 246245776
n×5 307807220

Division

n÷y
n÷2 30780722
n÷3 20520481.333333
n÷3 15390361
n÷5 12312288.8

Exponentiation

ny
n2 3789811387365136
n3 2.3330626149384E+23
n4 1.4362670351802E+31
n5 8.8418672655295E+38

Nth Root

y√n
2√n 7846.1101190335
3√n 394.85374920005
4√n 88.578271144979
5√n 36.129484050319

Divisors of 61561444

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61561443
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61561444 can be divided by 72 positive divisors. The sum of these divisors (counting 61561444) is 1, the average is 0.013888888888889.

Base conversion 61561444

Base System Value
2 Binary 11101010110101101001100100
3 Ternary 11021211122102111
4 Quaternary 3222311221210
5 Quinary 111224431234
6 Senary 10035250404
8 Octal 352655144
10 Decimal 61561444
12 Duodecimal 18749a04
16 Hexadecimal 3ab5a64
20 Vigesimal j4f3c4
36 Base36 10nh44

Cryptographic Hash Functions

md5 2de71bceba7b7146f50df816d06fe628
sha1 499e7a528330007874364e75e578d1891294b2d3
sha256 9f305bc8ad93815cde3ec3d5d6eb0063bf5dd5fdc1d88d8faa7cb67cf3052723
sha512 b3fa6c9634db624f8ab8d3061dbdb5382f5d10fd116cb63b3a866ab4dac996f04f7c297ada1ba05dc0614f1dbf714323c89305e6591d44d31a21a8bf40114119
ripemd-160 eba5fba3540327a66e7938504b40a61c74864818

61561444 as geometric shapes

Circle

Radius = n
Diameter 123122888
Circumference 386801960.42956
Area 1.1906043613037E+16

Sphere

Radius = n
Volume 9.7727098286073E+23
Surface area 4.7624174452149E+16
Circumference 386801960.42956

Square

Length = n
Perimeter 246245776
Area 3789811387365136
Diagonal 87061029.024072

Cube

Length = n
Surface area 22738868324190816
Volume 2.3330626149384E+23
Space diagonal 106627548.79531

Equilateral Triangle

Length = n
Perimeter 184684332
Area 1.6410364685049E+15
Altitude 53313774.397653

Triangular Pyramid

Length = n
Surface area 1.6410364685049E+15
Volume 2.7495406599263E+22
Height 29020343.008024