81465366 (number)

81465366 is an even 8-digits composite number following 81465365 and preceding 81465367. In scientific notation, it is written as 8.1465366 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 27139944 positive integers (up to 81465366) that are relatively prime to 81465366.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred sixty-five thousand three hundred sixty-six

Notation

Scientific notation 8.1465366 × 10^7
Engineering notation 8.1465366 × 10^6

Prime Factorization of 81465366

Prime Factorization 2 × 3 × 2887 × 4703

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81465366
Product of the distinct prime numbers

The prime factorization of 81465366 is 2 × 3 × 2887 × 4703. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81465366)

Multiplication

n×y
n×2 162930732
n×3 244396098
n×4 325861464
n×5 407326830

Division

n÷y
n÷2 40732683
n÷3 27155122
n÷3 20366341.5
n÷5 16293073.2

Exponentiation

ny
n2 6636605857513956
n3 5.4065352518012E+23
n4 4.4044537307989E+31
n5 3.5881043520959E+39

Nth Root

y√n
2√n 9025.816638953
3√n 433.50189904834
4√n 95.004298002527
5√n 38.21154542356

Divisors of 81465366

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81465365
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81465366 can be divided by 16 positive divisors. The sum of these divisors (counting 81465366) is 1, the average is 0.0625.

Base conversion 81465366

Base System Value
2 Binary 100110110110001000000010110
3 Ternary 12200021212110210
4 Quaternary 10312301000112
5 Quinary 131323342431
6 Senary 12030030250
8 Octal 466610026
10 Decimal 81465366
12 Duodecimal 23348386
16 Hexadecimal 4db1016
20 Vigesimal 1593386
36 Base36 1ci32u

Cryptographic Hash Functions

md5 3f4b844f3a8ad7ac003785344bef2507
sha1 42608c6bf33a779bdcf25b5a2866a40b7e99f56a
sha256 d0d25b0d25c8abd660177e69131788f6a39a1b6d0dfe4bbbf23298e8b1e5cd3d
sha512 296baaf1af878fe54f4a334925d6baeb53020c6d05d09710d17ce9b309ef2646c249b6c583950767284452b4b7d1ea3c4d30655d42f46d21560a3705f2ed0099
ripemd-160 6d4595ef0689c27ddda09b3e056b77d1d02a554a

81465366 as geometric shapes

Circle

Radius = n
Diameter 162930732
Circumference 511861990.69521
Area 2.0849512206737E+16

Sphere

Radius = n
Volume 2.2646841904577E+24
Surface area 8.3398048826947E+16
Circumference 511861990.69521

Square

Length = n
Perimeter 325861464
Area 6636605857513956
Diagonal 115209425.46089

Cube

Length = n
Surface area 39819635145083736
Volume 5.4065352518012E+23
Space diagonal 141102152.96919

Equilateral Triangle

Length = n
Perimeter 244396098
Area 2.8737346337558E+15
Altitude 70551076.484597

Triangular Pyramid

Length = n
Surface area 2.8737346337558E+15
Volume 6.3716628987879E+22
Height 38403141.820296