81666734 (number)

81666734 is an even 8-digits composite number following 81666733 and preceding 81666735. In scientific notation, it is written as 8.1666734 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 40701760 positive integers (up to 81666734) that are relatively prime to 81666734.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred sixty-six thousand seven hundred thirty-four

Notation

Scientific notation 8.1666734 × 10^7
Engineering notation 8.1666734 × 10^6

Prime Factorization of 81666734

Prime Factorization 2 × 311 × 131297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81666734
Product of the distinct prime numbers

The prime factorization of 81666734 is 2 × 311 × 131297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81666734)

Multiplication

n×y
n×2 163333468
n×3 245000202
n×4 326666936
n×5 408333670

Division

n÷y
n÷2 40833367
n÷3 27222244.666667
n÷3 20416683.5
n÷5 16333346.8

Exponentiation

ny
n2 6669455442226756
n3 5.4467264352518E+23
n4 4.4481635895848E+31
n5 3.6326699265911E+39

Nth Root

y√n
2√n 9036.964866591
3√n 433.85878520608
4√n 95.062952124321
5√n 38.230417212297

Divisors of 81666734

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 -81666733
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 81666734 can be divided by 8 positive divisors. The sum of these divisors (counting 81666734) is 1, the average is 0.125.

Base conversion 81666734

Base System Value
2 Binary 100110111100010001010101110
3 Ternary 12200200002200212
4 Quaternary 10313202022232
5 Quinary 131401313414
6 Senary 12034222422
8 Octal 467421256
10 Decimal 81666734
12 Duodecimal 23424a12
16 Hexadecimal 4de22ae
20 Vigesimal 15a86ge
36 Base36 1cmege

Cryptographic Hash Functions

md5 a349bf19a3ec125fb59256259bdffae3
sha1 86e69c4ff05e26d6a706522adfbaf7673c06465a
sha256 57eb942597b5455d1ef972b1b85cb7cf41edcd8cf4658caf3598a0af32756141
sha512 30aee95130dc4972446becf239f8745db4277b01c6116796399f2fea5c5c1a4a8dcc1a79cf5236e33e595c01176c797a508f5403c3594c6bb37803158e58adbe
ripemd-160 ff248b339c5f267a754086802f1bd671a2e74473

81666734 as geometric shapes

Circle

Radius = n
Diameter 163333468
Circumference 513127223.15414
Area 2.0952712220744E+16

Sphere

Radius = n
Volume 2.2815194340134E+24
Surface area 8.3810848882976E+16
Circumference 513127223.15414

Square

Length = n
Perimeter 326666936
Area 6669455442226756
Diagonal 115494202.81752

Cube

Length = n
Surface area 40016732653360536
Volume 5.4467264352518E+23
Space diagonal 141450932.57621

Equilateral Triangle

Length = n
Perimeter 245000202
Area 2.8879589211884E+15
Altitude 70725466.288106

Triangular Pyramid

Length = n
Surface area 2.8879589211884E+15
Volume 6.4190286627244E+22
Height 38498067.605839