81496247 (number)

81496247 is an odd 8-digits composite number following 81496246 and preceding 81496248. In scientific notation, it is written as 8.1496247 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 69853920 positive integers (up to 81496247) that are relatively prime to 81496247.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-six thousand two hundred forty-seven

Notation

Scientific notation 8.1496247 × 10^7
Engineering notation 8.1496247 × 10^6

Prime Factorization of 81496247

Prime Factorization 7 × 11642321

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81496247
Product of the distinct prime numbers

The prime factorization of 81496247 is 7 × 11642321. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81496247)

Multiplication

n×y
n×2 162992494
n×3 244488741
n×4 325984988
n×5 407481235

Division

n÷y
n÷2 40748123.5
n÷3 27165415.666667
n÷3 20374061.75
n÷5 16299249.4

Exponentiation

ny
n2 6641638275085009
n3 5.4126859335098E+23
n4 4.4111358977074E+31
n5 3.5949102067013E+39

Nth Root

y√n
2√n 9027.5271807954
3√n 433.55666784817
4√n 95.013300020552
5√n 38.214441947348

Divisors of 81496247

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 -81496246
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 81496247 can be divided by 4 positive divisors. The sum of these divisors (counting 81496247) is 1, the average is 0.25.

Base conversion 81496247

Base System Value
2 Binary 100110110111000100010110111
3 Ternary 12200100102211112
4 Quaternary 10312320202313
5 Quinary 131330334442
6 Senary 12030425235
8 Octal 466704267
10 Decimal 81496247
12 Duodecimal 2336221b
16 Hexadecimal 4db88b7
20 Vigesimal 15970c7
36 Base36 1ciqwn

Cryptographic Hash Functions

md5 115fb51de4ce616bb6c787ea75b2116a
sha1 fa31b53f1b5fbb13b74f90a4504975efefc72e21
sha256 642afefb56534c061c186b600179119041561be9ea66f4ecb005c58227300e1c
sha512 81b437467b1d4ed4d1c65653d9142aadd444484b93c2679fb125f943838dad945f502c449839013cf4e810e78720e826d20aede97aea39c41441013e7a554e66
ripemd-160 e6ffe5c0ccaa493f2b2ea7aea7eb41410ff70a49

81496247 as geometric shapes

Circle

Radius = n
Diameter 162992494
Circumference 512056021.74068
Area 2.0865322012808E+16

Sphere

Radius = n
Volume 2.2672605819871E+24
Surface area 8.3461288051231E+16
Circumference 512056021.74068

Square

Length = n
Perimeter 325984988
Area 6641638275085009
Diagonal 115253097.78991

Cube

Length = n
Surface area 39849829650510054
Volume 5.4126859335098E+23
Space diagonal 141155640.43018

Equilateral Triangle

Length = n
Perimeter 244488741
Area 2.8759137344853E+15
Altitude 70577820.215091

Triangular Pyramid

Length = n
Surface area 2.8759137344853E+15
Volume 6.3789115466964E+22
Height 38417699.263303