81242503 (number)

81242503 is an odd 8-digits composite number following 81242502 and preceding 81242504. In scientific notation, it is written as 8.1242503 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 80129520 positive integers (up to 81242503) that are relatively prime to 81242503.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-two thousand five hundred three

Notation

Scientific notation 8.1242503 × 10^7
Engineering notation 8.1242503 × 10^6

Prime Factorization of 81242503

Prime Factorization 73 × 1112911

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81242503
Product of the distinct prime numbers

The prime factorization of 81242503 is 73 × 1112911. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81242503)

Multiplication

n×y
n×2 162485006
n×3 243727509
n×4 324970012
n×5 406212515

Division

n÷y
n÷2 40621251.5
n÷3 27080834.333333
n÷3 20310625.75
n÷5 16248500.6

Exponentiation

ny
n2 6600344293705009
n3 5.3622849108236E+23
n4 4.3564544795444E+31
n5 3.5392926612375E+39

Nth Root

y√n
2√n 9013.4623203295
3√n 433.10623083594
4√n 94.939255949947
5√n 38.190615612184

Divisors of 81242503

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 -81242502
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 81242503 can be divided by 4 positive divisors. The sum of these divisors (counting 81242503) is 1, the average is 0.25.

Base conversion 81242503

Base System Value
2 Binary 100110101111010100110000111
3 Ternary 12122212112202121
4 Quaternary 10311322212013
5 Quinary 131244230003
6 Senary 12021150411
8 Octal 465724607
10 Decimal 81242503
12 Duodecimal 2325b407
16 Hexadecimal 4d7a987
20 Vigesimal 157f653
36 Base36 1cdb47

Cryptographic Hash Functions

md5 b26dbe7dc1cab3f95e6bb332209c5467
sha1 3086d00f662e1f30490b925c738a7dfc5d23aeaa
sha256 64e861cd0041fc8f9335b06d0dcf5822db540d5ebe3a7ed6d05f0a923cc13912
sha512 07b6c37212aacaa640f0d60a20d1e9c90f3727702b5d14bf117ac98eca74f9b5e820fd8ad3237f81613355c78f55827e6ed29cf0a16254bcf9e5245451be058e
ripemd-160 cef78770099c25d926c8053d80bdba038cd41435

81242503 as geometric shapes

Circle

Radius = n
Diameter 162485006
Circumference 510461701.16809
Area 2.0735593144267E+16

Sphere

Radius = n
Volume 2.2461486509732E+24
Surface area 8.2942372577068E+16
Circumference 510461701.16809

Square

Length = n
Perimeter 324970012
Area 6600344293705009
Diagonal 114894249.58374

Cube

Length = n
Surface area 39602065762230054
Volume 5.3622849108236E+23
Space diagonal 140716142.93007

Equilateral Triangle

Length = n
Perimeter 243727509
Area 2.8580329160361E+15
Altitude 70358071.465033

Triangular Pyramid

Length = n
Surface area 2.8580329160361E+15
Volume 6.3195133718295E+22
Height 38298083.194579