81322015 (number)

81322015 is an odd 8-digits composite number following 81322014 and preceding 81322016. In scientific notation, it is written as 8.1322015 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 65057608 positive integers (up to 81322015) that are relatively prime to 81322015.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred twenty-two thousand fifteen

Notation

Scientific notation 8.1322015 × 10^7
Engineering notation 8.1322015 × 10^6

Prime Factorization of 81322015

Prime Factorization 5 × 16264403

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81322015
Product of the distinct prime numbers

The prime factorization of 81322015 is 5 × 16264403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81322015)

Multiplication

n×y
n×2 162644030
n×3 243966045
n×4 325288060
n×5 406610075

Division

n÷y
n÷2 40661007.5
n÷3 27107338.333333
n÷3 20330503.75
n÷5 16264403

Exponentiation

ny
n2 6613270123660225
n3 5.3780445219535E+23
n4 4.3735341728497E+31
n5 3.556646116075E+39

Nth Root

y√n
2√n 9017.871977357
3√n 433.24747838872
4√n 94.962476680829
5√n 38.19808811498

Divisors of 81322015

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 -81322014
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 81322015 can be divided by 4 positive divisors. The sum of these divisors (counting 81322015) is 1, the average is 0.25.

Base conversion 81322015

Base System Value
2 Binary 100110110001110000000011111
3 Ternary 12200000120211111
4 Quaternary 10312032000133
5 Quinary 131304301030
6 Senary 12023002451
8 Octal 466160037
10 Decimal 81322015
12 Duodecimal 23299427
16 Hexadecimal 4d8e01f
20 Vigesimal 158550f
36 Base36 1cf0gv

Cryptographic Hash Functions

md5 5da2c9c8d4f39cb26a8e71b80417cf52
sha1 2f3799f48874914408f96980a4a74cc288e96b06
sha256 cc99f532be73b5690815ccad4ddc564f6ba583936e4fa9d595ea6033acb96d53
sha512 caf772af89934d52591361fd93e74c7ad0894b9ac6599b697fb00bf7cefc5a3a66e99d3f3e2765c90ca77a992f88ff06d183e18424f9fd364d572634e46afcb1
ripemd-160 0b236b0ddb72cc15ff2f983f748278004c1d4796

81322015 as geometric shapes

Circle

Radius = n
Diameter 162644030
Circumference 510961289.79824
Area 2.0776200836696E+16

Sphere

Radius = n
Volume 2.2527500214464E+24
Surface area 8.3104803346783E+16
Circumference 510961289.79824

Square

Length = n
Perimeter 325288060
Area 6613270123660225
Diagonal 115006696.53251

Cube

Length = n
Surface area 39679620741961350
Volume 5.3780445219535E+23
Space diagonal 140853861.75388

Equilateral Triangle

Length = n
Perimeter 243966045
Area 2.8636299645892E+15
Altitude 70426930.876939

Triangular Pyramid

Length = n
Surface area 2.8636299645892E+15
Volume 6.3380862516608E+22
Height 38335565.510836