81331504 (number)

81331504 is an even 8-digits composite number following 81331503 and preceding 81331505. In scientific notation, it is written as 8.1331504 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 10 positive divisors. There are 40665744 positive integers (up to 81331504) that are relatively prime to 81331504.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-one thousand five hundred four

Notation

Scientific notation 8.1331504 × 10^7
Engineering notation 8.1331504 × 10^6

Prime Factorization of 81331504

Prime Factorization 2 × 2 × 2 × 2 × 5083219

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10166438
Product of the distinct prime numbers

The prime factorization of 81331504 is 2 × 2 × 2 × 2 × 5083219. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81331504)

Multiplication

n×y
n×2 162663008
n×3 243994512
n×4 325326016
n×5 406657520

Division

n÷y
n÷2 40665752
n÷3 27110501.333333
n÷3 20332876
n÷5 16266300.8

Exponentiation

ny
n2 6614813542902016
n3 5.3799273412379E+23
n4 4.375575820736E+31
n5 3.5587216236649E+39

Nth Root

y√n
2√n 9018.3980839171
3√n 433.26432878868
4√n 94.965246716455
5√n 38.198979496586

Divisors of 81331504

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81331503
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81331504 can be divided by 10 positive divisors. The sum of these divisors (counting 81331504) is 1, the average is 0.1.

Base conversion 81331504

Base System Value
2 Binary 100110110010000010100110000
3 Ternary 12200001001211221
4 Quaternary 10312100110300
5 Quinary 131310102004
6 Senary 12023114424
8 Octal 466202460
10 Decimal 81331504
12 Duodecimal 232a2a14
16 Hexadecimal 4d90530
20 Vigesimal 15868f4
36 Base36 1cf7sg

Cryptographic Hash Functions

md5 418cf0ba0bb420145d7732bccec10a67
sha1 be9eb2341bde04228ff0a5cd7b9033a382092534
sha256 c349e48c66205422c821ad848f3e0bb0ced8e0325e25e3850aa608ee780e3afd
sha512 059ccb13519e2a4258df85ceae1c6ae476ffe43b2891ebdba539b5a38cb72e7655c5c438052ddb1c927fb0ef44164e66f6636c93e2667710871e73392c88ec69
ripemd-160 42532d26d80f06fa12be3e411dacc5ea283dc28a

81331504 as geometric shapes

Circle

Radius = n
Diameter 162663008
Circumference 511020910.94362
Area 2.0781049631247E+16

Sphere

Radius = n
Volume 2.253538694944E+24
Surface area 8.3124198524989E+16
Circumference 511020910.94362

Square

Length = n
Perimeter 325326016
Area 6614813542902016
Diagonal 115020116.005

Cube

Length = n
Surface area 39688881257412096
Volume 5.3799273412379E+23
Space diagonal 140870297.18399

Equilateral Triangle

Length = n
Perimeter 243994512
Area 2.8642982847252E+15
Altitude 70435148.591996

Triangular Pyramid

Length = n
Surface area 2.8642982847252E+15
Volume 6.340305175467E+22
Height 38340038.668334