81574842 (number)

81574842 is an even 8-digits composite number following 81574841 and preceding 81574843. In scientific notation, it is written as 8.1574842 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 27112560 positive integers (up to 81574842) that are relatively prime to 81574842.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-four thousand eight hundred forty-two

Notation

Scientific notation 8.1574842 × 10^7
Engineering notation 8.1574842 × 10^6

Prime Factorization of 81574842

Prime Factorization 2 × 3 × 347 × 39181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81574842
Product of the distinct prime numbers

The prime factorization of 81574842 is 2 × 3 × 347 × 39181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 99, 11, 338, 254, 9274, 4489, 6059, 76929, 921089, 426221, 9315883, 5608543, 32283592, 19124154, 53530697, 608413022, 5966193332, 529603772

Basic calculations (n = 81574842)

Multiplication

n×y
n×2 163149684
n×3 244724526
n×4 326299368
n×5 407874210

Division

n÷y
n÷2 40787421
n÷3 27191614
n÷3 20393710.5
n÷5 16314968.4

Exponentiation

ny
n2 6654454847324964
n3 5.4283610276667E+23
n4 4.4281769315087E+31
n5 3.6122783353586E+39

Nth Root

y√n
2√n 9031.8792064553
3√n 433.69599711925
4√n 95.036199452921
5√n 38.221809909012

Divisors of 81574842

1, 2, 3, 6, 347, 694, 1041, 2082, 39181, 78362, 117543, 235086, 13595807, 27191614, 40787421, 81574842

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81574841
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81574842 can be divided by 16 positive divisors. The sum of these divisors (counting 81574842) is 1, the average is 0.0625.

Base conversion 81574842

Base System Value
2 Binary 100110111001011101110111010
3 Ternary 12200111102122110
4 Quaternary 10313023232322
5 Quinary 131340343332
6 Senary 12032233150
8 Octal 467135672
10 Decimal 81574842
12 Duodecimal 2339b7b6
16 Hexadecimal 4dcbbba
20 Vigesimal 159gh22
36 Base36 1ckfju

Cryptographic Hash Functions

md5 020218037fbf59213d247db60dfa455e
sha1 1755bb34f807ca1eee8fd225701e1bc650c3d009
sha256 bd18d189f2580b815c44786b72e390e2086f46763a5e6bb95028dc4d45d3327c
sha512 73991fbb755e62b6c38e4342984236a4578427a9d4ee0370df8ce9fddc9c9f4b3410235a1bdabd73a9e6a014f75028dde6074de97819800dceca880fc4ff0991
ripemd-160 d3be18c840172a8a893356ff202be911423be421

81574842 as geometric shapes

Circle

Radius = n
Diameter 163149684
Circumference 512549848.6899
Area 2.0905586462001E+16

Sphere

Radius = n
Volume 2.2738265500734E+24
Surface area 8.3622345848004E+16
Circumference 512549848.6899

Square

Length = n
Perimeter 326299368
Area 6654454847324964
Diagonal 115364247.90484

Cube

Length = n
Surface area 39926729083949784
Volume 5.4283610276667E+23
Space diagonal 141291770.9634

Equilateral Triangle

Length = n
Perimeter 244724526
Area 2.88146347306E+15
Altitude 70645885.481702

Triangular Pyramid

Length = n
Surface area 2.88146347306E+15
Volume 6.3973848223198E+22
Height 38454749.301614