81497443 (number)

81497443 is an odd 8-digits composite number following 81497442 and preceding 81497444. In scientific notation, it is written as 8.1497443 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 81432640 positive integers (up to 81497443) that are relatively prime to 81497443.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand four hundred forty-three

Notation

Scientific notation 8.1497443 × 10^7
Engineering notation 8.1497443 × 10^6

Prime Factorization of 81497443

Prime Factorization 1283 × 63521

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81497443
Product of the distinct prime numbers

The prime factorization of 81497443 is 1283 × 63521. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81497443)

Multiplication

n×y
n×2 162994886
n×3 244492329
n×4 325989772
n×5 407487215

Division

n÷y
n÷2 40748721.5
n÷3 27165814.333333
n÷3 20374360.75
n÷5 16299488.6

Exponentiation

ny
n2 6641833215538249
n3 5.4129242389884E+23
n4 4.4113948463027E+31
n5 3.5951740003705E+39

Nth Root

y√n
2√n 9027.5934223912
3√n 433.558788728
4√n 95.013648611087
5√n 38.21455411007

Divisors of 81497443

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 -81497442
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 81497443 can be divided by 4 positive divisors. The sum of these divisors (counting 81497443) is 1, the average is 0.25.

Base conversion 81497443

Base System Value
2 Binary 100110110111000110101100011
3 Ternary 12200100111110211
4 Quaternary 10312320311203
5 Quinary 131330404233
6 Senary 12030434551
8 Octal 466706543
10 Decimal 81497443
12 Duodecimal 23362a57
16 Hexadecimal 4db8d63
20 Vigesimal 15973c3
36 Base36 1cirtv

Cryptographic Hash Functions

md5 e9f581ff8d9acea5aeffed685aeab433
sha1 3cc9971ac222eea26c47b6bc40ca8b8d4b880265
sha256 f17fecd2a5eeca381a1a9f159e9642b32e5e5a82c293db49ab4a9d2ac8c4b858
sha512 d7bc8287aa57db71fce220d23007c787b2a9559c17180bd2b99affbf52003267cdfb25a64a9542f25bf4f7a5fb36dfb335f109ae7d97dcd8a8caee37e290db0b
ripemd-160 55722543d80452ce5f0142148c884c777bc70d9b

81497443 as geometric shapes

Circle

Radius = n
Diameter 162994886
Circumference 512063536.43031
Area 2.0865934436304E+16

Sphere

Radius = n
Volume 2.2673604031525E+24
Surface area 8.3463737745215E+16
Circumference 512063536.43031

Square

Length = n
Perimeter 325989772
Area 6641833215538249
Diagonal 115254789.18933

Cube

Length = n
Surface area 39850999293229494
Volume 5.4129242389884E+23
Space diagonal 141157711.96295

Equilateral Triangle

Length = n
Perimeter 244492329
Area 2.8759981461777E+15
Altitude 70578855.981474

Triangular Pyramid

Length = n
Surface area 2.8759981461777E+15
Volume 6.3791923923962E+22
Height 38418263.063109