81708069 (number)

81708069 is an odd 8-digits composite number following 81708068 and preceding 81708070. In scientific notation, it is written as 8.1708069 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 51267776 positive integers (up to 81708069) that are relatively prime to 81708069.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1708069 × 10^7
Engineering notation 8.1708069 × 10^6

Prime Factorization of 81708069

Prime Factorization 51 × 1602119

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81708069
Product of the distinct prime numbers

The prime factorization of 81708069 is 51 × 1602119. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81708069)

Multiplication

n×y
n×2 163416138
n×3 245124207
n×4 326832276
n×5 408540345

Division

n÷y
n÷2 40854034.5
n÷3 27236023
n÷3 20427017.25
n÷5 16341613.8

Exponentiation

ny
n2 6676208539708761
n3 5.4550010802091E+23
n4 4.457176046568E+31
n5 3.6418724795813E+39

Nth Root

y√n
2√n 9039.2515730009
3√n 433.93197097469
4√n 95.07497869051
5√n 38.234286436354

Divisors of 81708069

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 -81708068
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 81708069 can be divided by 4 positive divisors. The sum of these divisors (counting 81708069) is 1, the average is 0.25.

Base conversion 81708069

Base System Value
2 Binary 100110111101100010000100101
3 Ternary 12200202012101210
4 Quaternary 10313230100211
5 Quinary 131404124234
6 Senary 12035142033
8 Octal 467542045
10 Decimal 81708069
12 Duodecimal 23444919
16 Hexadecimal 4dec425
20 Vigesimal 15ada39
36 Base36 1cnacl

Cryptographic Hash Functions

md5 54bd210f3d8e06919f10e4c139803ccf
sha1 1af4519784efded8001672fd9c3c6414dee98b97
sha256 eb6cccd1d793ad6f8e485749baaa469bbba81529a715e5874a610ddcde6be78d
sha512 a8616442ea64f5c8468df9a10b4949ceeb1aef7c982870788a1f5e80a78b3a6138ac53f39ae40ab2dfb36412e5236c366c805a948a4fe815c4281a76a4655d5f
ripemd-160 3c2b68645f8137da61b93e7763a33c2f37cf3c01

81708069 as geometric shapes

Circle

Radius = n
Diameter 163416138
Circumference 513386938.61882
Area 2.0973927702182E+16

Sphere

Radius = n
Volume 2.2849855091879E+24
Surface area 8.389571080873E+16
Circumference 513386938.61882

Square

Length = n
Perimeter 326832276
Area 6676208539708761
Diagonal 115552659.33512

Cube

Length = n
Surface area 40057251238252566
Volume 5.4550010802091E+23
Space diagonal 141522526.89634

Equilateral Triangle

Length = n
Perimeter 245124207
Area 2.8908830981752E+15
Altitude 70761263.448172

Triangular Pyramid

Length = n
Surface area 2.8908830981752E+15
Volume 6.4287804253264E+22
Height 38517553.111706