81573312 (number)

81573312 is an even 8-digits composite number following 81573311 and preceding 81573313. In scientific notation, it is written as 8.1573312 × 10^7. The sum of its digits is 30. It has a total of 8 prime factors and 28 positive divisors. There are 27191040 positive integers (up to 81573312) that are relatively prime to 81573312.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-three thousand three hundred twelve

Notation

Scientific notation 8.1573312 × 10^7
Engineering notation 8.1573312 × 10^6

Prime Factorization of 81573312

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 424861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2549166
Product of the distinct prime numbers

The prime factorization of 81573312 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 424861. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81573312)

Multiplication

n×y
n×2 163146624
n×3 244719936
n×4 326293248
n×5 407866560

Division

n÷y
n÷2 40786656
n÷3 27191104
n÷3 20393328
n÷5 16314662.4

Exponentiation

ny
n2 6654205230649344
n3 5.4280555939179E+23
n4 4.4278447251601E+31
n5 3.6119395925304E+39

Nth Root

y√n
2√n 9031.7945060769
3√n 433.69328566636
4√n 95.035753830213
5√n 38.221666531945

Divisors of 81573312

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81573311
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81573312 can be divided by 28 positive divisors. The sum of these divisors (counting 81573312) is 1, the average is 0.035714285714286.

Base conversion 81573312

Base System Value
2 Binary 100110111001011010111000000
3 Ternary 12200111100112210
4 Quaternary 10313023113000
5 Quinary 131340321222
6 Senary 12032222120
8 Octal 467132700
10 Decimal 81573312
12 Duodecimal 2339a940
16 Hexadecimal 4dcb5c0
20 Vigesimal 159gd5c
36 Base36 1ckedc

Cryptographic Hash Functions

md5 7022556321933d6fc545f6c5ebf36f5d
sha1 3f5c7c0deaebf0460549f510d7ef26571fc97c99
sha256 e06f829fc4f6111671cb0d11a2b5ebc09f9fe484ea7c89b08da44bf636edb886
sha512 ee5d56549e220723b9d22ac3a2dea8eb9010be10bb1bebe59cc3b67ed7b163bdd52afaabdb4417089edf19b5a9598e649cefac31a9c68c4c08b9f2d1b464ea12
ripemd-160 6876f1cb7f8004b36ca7fabbc76ce282579f12e4

81573312 as geometric shapes

Circle

Radius = n
Diameter 163146624
Circumference 512540235.41638
Area 2.0904802268087E+16

Sphere

Radius = n
Volume 2.2736986102839E+24
Surface area 8.3619209072347E+16
Circumference 512540235.41638

Square

Length = n
Perimeter 326293248
Area 6654205230649344
Diagonal 115362084.15809

Cube

Length = n
Surface area 39925231383896064
Volume 5.4280555939179E+23
Space diagonal 141289120.92567

Equilateral Triangle

Length = n
Perimeter 244719936
Area 2.8813553858688E+15
Altitude 70644560.462834

Triangular Pyramid

Length = n
Surface area 2.8813553858688E+15
Volume 6.3970248651949E+22
Height 38454028.052697