81707088 (number)

81707088 is an even 8-digits composite number following 81707087 and preceding 81707089. In scientific notation, it is written as 8.1707088 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 27069952 positive integers (up to 81707088) that are relatively prime to 81707088.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seven thousand eighty-eight

Notation

Scientific notation 8.1707088 × 10^7
Engineering notation 8.1707088 × 10^6

Prime Factorization of 81707088

Prime Factorization 2 × 2 × 2 × 2 × 3 × 167 × 10193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10213386
Product of the distinct prime numbers

The prime factorization of 81707088 is 2 × 2 × 2 × 2 × 3 × 167 × 10193. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81707088)

Multiplication

n×y
n×2 163414176
n×3 245121264
n×4 326828352
n×5 408535440

Division

n÷y
n÷2 40853544
n÷3 27235696
n÷3 20426772
n÷5 16341417.6

Exponentiation

ny
n2 6676048229439744
n3 5.4548046017508E+23
n4 4.4569619961806E+31
n5 3.6416538603458E+39

Nth Root

y√n
2√n 9039.197309496
3√n 433.93023434911
4√n 95.074693317917
5√n 38.234194626535

Divisors of 81707088

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81707087
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81707088 can be divided by 40 positive divisors. The sum of these divisors (counting 81707088) is 1, the average is 0.025.

Base conversion 81707088

Base System Value
2 Binary 100110111101100000001010000
3 Ternary 12200202011001110
4 Quaternary 10313230001100
5 Quinary 131404111323
6 Senary 12035133320
8 Octal 467540120
10 Decimal 81707088
12 Duodecimal 23444240
16 Hexadecimal 4dec050
20 Vigesimal 15ad7e8
36 Base36 1cn9lc

Cryptographic Hash Functions

md5 016220d592a01786b77cea24dfb172cb
sha1 01b2ee5a3bb19d9ee9e3fb575215c3b820957953
sha256 7a799bde8fb9d67423a607630266b47791364118453b6f84cff7a065fcfb1d1d
sha512 5466f4301773c8db7e9993563f9b0fb9ce74b9a195ab96671a14f0d7d95caf390acb9e45c9f4ac5098f64ee4349f0abf69bc9650537f65009746b1233a55e279
ripemd-160 1276d1f9d9816d22a769ed70c4e4a7c4225d65c4

81707088 as geometric shapes

Circle

Radius = n
Diameter 163414176
Circumference 513380774.81403
Area 2.0973424072619E+16

Sphere

Radius = n
Volume 2.2849032084837E+24
Surface area 8.3893696290476E+16
Circumference 513380774.81403

Square

Length = n
Perimeter 326828352
Area 6676048229439744
Diagonal 115551271.99161

Cube

Length = n
Surface area 40056289376638464
Volume 5.4548046017508E+23
Space diagonal 141520827.7545

Equilateral Triangle

Length = n
Perimeter 245121264
Area 2.8908136817925E+15
Altitude 70760413.877251

Triangular Pyramid

Length = n
Surface area 2.8908136817925E+15
Volume 6.4285488732426E+22
Height 38517090.663871