81330365 (number)

81330365 is an odd 8-digits composite number following 81330364 and preceding 81330366. In scientific notation, it is written as 8.1330365 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 64993792 positive integers (up to 81330365) that are relatively prime to 81330365.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330365 × 10^7
Engineering notation 8.1330365 × 10^6

Prime Factorization of 81330365

Prime Factorization 5 × 977 × 16649

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330365
Product of the distinct prime numbers

The prime factorization of 81330365 is 5 × 977 × 16649. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330365)

Multiplication

n×y
n×2 162660730
n×3 243991095
n×4 325321460
n×5 406651825

Division

n÷y
n÷2 40665182.5
n÷3 27110121.666667
n÷3 20332591.25
n÷5 16266073

Exponentiation

ny
n2 6614628271033225
n3 5.3797013162245E+23
n4 4.3753307163952E+31
n5 3.5584724416013E+39

Nth Root

y√n
2√n 9018.3349350088
3√n 433.26230624165
4√n 94.964914231567
5√n 38.198872505127

Divisors of 81330365

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 -81330364
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 81330365 can be divided by 8 positive divisors. The sum of these divisors (counting 81330365) is 1, the average is 0.125.

Base conversion 81330365

Base System Value
2 Binary 100110110010000000010111101
3 Ternary 12200001000021202
4 Quaternary 10312100002331
5 Quinary 131310032430
6 Senary 12023105245
8 Octal 466200275
10 Decimal 81330365
12 Duodecimal 232a2225
16 Hexadecimal 4d900bd
20 Vigesimal 15865i5
36 Base36 1cf6wt

Cryptographic Hash Functions

md5 6b1e3906874209ca39741356ee6cf48c
sha1 b5e6948dee460ff9aeb8f4f820e10f2704ca76e2
sha256 fb1b2f1e2860f15931297b290ba6e4f47426011fcd0dde0412f61dfd0c524bff
sha512 190f018ac099a44f7f3bd31359cefe50e7b90ea69672da97d1ea3417b2ebf413869f9a5625bb41520b7f1d0fe1af65eca19af36fe185d7056490b05465462918
ripemd-160 64e7d180d6519dd5fb3204648409dd278698f2be

81330365 as geometric shapes

Circle

Radius = n
Diameter 162660730
Circumference 511013754.39555
Area 2.0780467582505E+16

Sphere

Radius = n
Volume 2.2534440178078E+24
Surface area 8.3121870330021E+16
Circumference 511013754.39555

Square

Length = n
Perimeter 325321460
Area 6614628271033225
Diagonal 115018505.21575

Cube

Length = n
Surface area 39687769626199350
Volume 5.3797013162245E+23
Space diagonal 140868324.37812

Equilateral Triangle

Length = n
Perimeter 243991095
Area 2.8642180596528E+15
Altitude 70434162.189061

Triangular Pyramid

Length = n
Surface area 2.8642180596528E+15
Volume 6.3400388024342E+22
Height 38339501.738585