81253047 (number)

81253047 is an odd 8-digits composite number following 81253046 and preceding 81253048. In scientific notation, it is written as 8.1253047 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 50982272 positive integers (up to 81253047) that are relatively prime to 81253047.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred fifty-three thousand forty-seven

Notation

Scientific notation 8.1253047 × 10^7
Engineering notation 8.1253047 × 10^6

Prime Factorization of 81253047

Prime Factorization 3 × 17 × 1593197

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81253047
Product of the distinct prime numbers

The prime factorization of 81253047 is 3 × 17 × 1593197. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81253047)

Multiplication

n×y
n×2 162506094
n×3 243759141
n×4 325012188
n×5 406265235

Division

n÷y
n÷2 40626523.5
n÷3 27084349
n÷3 20313261.75
n÷5 16250609.4

Exponentiation

ny
n2 6602057646784209
n3 5.3643730027087E+23
n4 4.3587165171462E+31
n5 3.5415899802736E+39

Nth Root

y√n
2√n 9014.0472042252
3√n 433.12496681929
4√n 94.942336205853
5√n 38.191606869059

Divisors of 81253047

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81253046
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81253047 can be divided by 8 positive divisors. The sum of these divisors (counting 81253047) is 1, the average is 0.125.

Base conversion 81253047

Base System Value
2 Binary 100110101111101001010110111
3 Ternary 12122220002020010
4 Quaternary 10311331022313
5 Quinary 131300044142
6 Senary 12021311303
8 Octal 465751267
10 Decimal 81253047
12 Duodecimal 23265533
16 Hexadecimal 4d7d2b7
20 Vigesimal 157gcc7
36 Base36 1cdj93

Cryptographic Hash Functions

md5 40f1188160a77aacb3c88c35ed07262c
sha1 e72cafb730402d3ced027459c18f31cc26466bb4
sha256 090b1cdc73ee6db180ca75b7d0d6f063e0dba8b6c0a4869e20e2e428ec013ca1
sha512 89023452b20f7cbedb875c1e004f85689977715dc15174a6ee0e7f87d96c09ae3149edc5e01b181b309b92148043deeb39bb1b3f73ae671b790d0f3c1a9ca821
ripemd-160 e5eee5a02d142c1e0bc50d09db0cd780dfb287dc

81253047 as geometric shapes

Circle

Radius = n
Diameter 162506094
Circumference 510527951.07397
Area 2.0740975801714E+16

Sphere

Radius = n
Volume 2.2470233088567E+24
Surface area 8.2963903206854E+16
Circumference 510527951.07397

Square

Length = n
Perimeter 325012188
Area 6602057646784209
Diagonal 114909161.05154

Cube

Length = n
Surface area 39612345880705254
Volume 5.3643730027087E+23
Space diagonal 140734405.67378

Equilateral Triangle

Length = n
Perimeter 243759141
Area 2.8587748196822E+15
Altitude 70367202.836891

Triangular Pyramid

Length = n
Surface area 2.8587748196822E+15
Volume 6.3219742117156E+22
Height 38303053.683846