81708061 (number)

81708061 is an odd 8-digits composite number following 81708060 and preceding 81708062. In scientific notation, it is written as 8.1708061 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 81682912 positive integers (up to 81708061) that are relatively prime to 81708061.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1708061 × 10^7
Engineering notation 8.1708061 × 10^6

Prime Factorization of 81708061

Prime Factorization 21317 × 3833

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81708061
Product of the distinct prime numbers

The prime factorization of 81708061 is 21317 × 3833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81708061)

Multiplication

n×y
n×2 163416122
n×3 245124183
n×4 326832244
n×5 408540305

Division

n÷y
n÷2 40854030.5
n÷3 27236020.333333
n÷3 20427015.25
n÷5 16341612.2

Exponentiation

ny
n2 6676207232379721
n3 5.4549994779192E+23
n4 4.4571743009679E+31
n5 3.6418706967112E+39

Nth Root

y√n
2√n 9039.2511304864
3√n 433.93195681266
4√n 95.074976363323
5√n 38.234285687654

Divisors of 81708061

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81708060
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81708061 can be divided by 4 positive divisors. The sum of these divisors (counting 81708061) is 1, the average is 0.25.

Base conversion 81708061

Base System Value
2 Binary 100110111101100010000011101
3 Ternary 12200202012101111
4 Quaternary 10313230100131
5 Quinary 131404124221
6 Senary 12035142021
8 Octal 467542035
10 Decimal 81708061
12 Duodecimal 23444911
16 Hexadecimal 4dec41d
20 Vigesimal 15ada31
36 Base36 1cnacd

Cryptographic Hash Functions

md5 0d6c92270a8bd1e7bffa961671acb0eb
sha1 4ca6456140dcc48764d9b12e418f0f13be6cec3f
sha256 065a3f2cf395098c190d3190424839a8316b16bbb5b51822d4c94cc98db74e30
sha512 8c7b98a855c9310c4cee0535c89462ca63382c3173dd4b875553c7f1df4b6b2c8702b6af74db1b4834c05ddc565a4907380e3bf587649e489f1e935b231a1f1f
ripemd-160 456ab0806f75822f4943e1d3b98b15c6da575fc5

81708061 as geometric shapes

Circle

Radius = n
Diameter 163416122
Circumference 513386888.35333
Area 2.0973923595087E+16

Sphere

Radius = n
Volume 2.2849848380223E+24
Surface area 8.3895694380349E+16
Circumference 513386888.35333

Square

Length = n
Perimeter 326832244
Area 6676207232379721
Diagonal 115552648.02141

Cube

Length = n
Surface area 40057243394278326
Volume 5.4549994779192E+23
Space diagonal 141522513.03994

Equilateral Triangle

Length = n
Perimeter 245124183
Area 2.8908825320851E+15
Altitude 70761256.519969

Triangular Pyramid

Length = n
Surface area 2.8908825320851E+15
Volume 6.4287785370096E+22
Height 38517549.340469