80985 (number)

80985 is an odd 5-digits composite number following 80984 and preceding 80986. In scientific notation, it is written as 8.0985 × 10^4. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 43184 positive integers (up to 80985) that are relatively prime to 80985.

Interesting facts

Basic properties

Name

Name eighty thousand nine hundred eighty-five

Notation

Scientific notation 8.0985 × 10^4
Engineering notation 8.0985 × 10^3

Prime Factorization of 80985

Prime Factorization 15 × 5399

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 80985
Product of the distinct prime numbers

The prime factorization of 80985 is 15 × 5399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 28, 38, 333, 952, 2228, 5220, 23286, 82241, 579129, 924531, 5244336, 5797634, 67775983, 44828450, 733976120, 430617326, 4275866864, 9145970330

Basic calculations (n = 80985)

Multiplication

n×y
n×2 161970
n×3 242955
n×4 323940
n×5 404925

Division

n÷y
n÷2 40492.5
n÷3 26995
n÷3 20246.25
n÷5 16197

Exponentiation

ny
n2 6558570225
n3 531145809671625
n4 4.3014843396257E+19
n5 3.4835570924458E+24

Nth Root

y√n
2√n 284.57863588119
3√n 43.264816111801
4√n 16.869458671848
5√n 9.5869600430898

Divisors of 80985

1, 15, 5399, 80985

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 -80984
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 80985 can be divided by 4 positive divisors. The sum of these divisors (counting 80985) is 1, the average is 0.25.

Base conversion 80985

Base System Value
2 Binary 10011110001011001
3 Ternary 11010002110
4 Quaternary 103301121
5 Quinary 10042420
6 Senary 1422533
8 Octal 236131
10 Decimal 80985
12 Duodecimal 3aa49
16 Hexadecimal 13c59
20 Vigesimal a295
36 Base36 1qhl

Cryptographic Hash Functions

md5 b919ca32fd6d962319b3a33515ac8cec
sha1 0a3022765ce4ae2eab2fdc254052f45789c511e9
sha256 3fd97509791cbd6b81f7e6d7dddf5719be421b8640550395731d1a36e91655d5
sha512 b00cb78a43a730f44183210af889b1be3fe41af84ebc775bc4c6b72aa6694adebd19fc781d5c6ecbe76a7b72c5d5a03b9f29f57c2d49ce8170161166b268248b
ripemd-160 6397fddf5421038889c57c2b0eb7c420ad52fd8d

80985 as geometric shapes

Circle

Radius = n
Diameter 161970
Circumference 508843.76210194
Area 20604356036.913

Sphere

Radius = n
Volume 2.2248583648658E+15
Surface area 82417424147.651
Circumference 508843.76210194

Square

Length = n
Perimeter 323940
Area 6558570225
Diagonal 114530.08534879

Cube

Length = n
Surface area 39351421350
Volume 531145809671625
Space diagonal 140270.13465097

Equilateral Triangle

Length = n
Perimeter 242955
Area 2839944213.6771
Altitude 70135.067325483

Triangular Pyramid

Length = n
Surface area 2839944213.6771
Volume 62596133969604
Height 38176.695116262