821085 (number)

821085 is an odd 6-digits composite number following 821084 and preceding 821086. In scientific notation, it is written as 8.21085 × 10^5. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 399168 positive integers (up to 821085) that are relatively prime to 821085.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one thousand eighty-five

Notation

Scientific notation 8.21085 × 10^5
Engineering notation 8.21085 × 10^3

Prime Factorization of 821085

Prime Factorization 15 × 1273 × 43

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 821085
Product of the distinct prime numbers

The prime factorization of 821085 is 15 × 1273 × 43. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 821085)

Multiplication

n×y
n×2 1642170
n×3 2463255
n×4 3284340
n×5 4105425

Division

n÷y
n÷2 410542.5
n÷3 273695
n÷3 205271.25
n÷5 164217

Exponentiation

ny
n2 674180577225
n3 553559559250789125
n4 4.5451945070743E+23
n5 3.7319910318411E+29

Nth Root

y√n
2√n 906.13740679877
3√n 93.640280529787
4√n 30.102116317607
5√n 15.236233637537

Divisors of 821085

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 -821084
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 821085 can be divided by 8 positive divisors. The sum of these divisors (counting 821085) is 1, the average is 0.125.

Base conversion 821085

Base System Value
2 Binary 11001000011101011101
3 Ternary 1112201022120
4 Quaternary 3020131131
5 Quinary 202233320
6 Senary 25333153
8 Octal 3103535
10 Decimal 821085
12 Duodecimal 3371b9
16 Hexadecimal c875d
20 Vigesimal 52ce5
36 Base36 hljx

Cryptographic Hash Functions

md5 e0ac5a3e7c2bb2783335ab207c87d73b
sha1 c83e108f0a2be1dc6b1dbf67eafedb5f664b5393
sha256 abe5fe5c9b64d40a8e409b3e0420f9c83d14a09fbc5c4223da1bae8a2d3b9250
sha512 ce0aa76966658a0a731cd89e5b34d492472d994ed4fafd1ef3405a435d9f118c1c4cc3cea54351532edc8dd02acaabad965fc2c53cab9f64a3de00dc527d98cd
ripemd-160 47d6cf9ccc68502477dcbacc25bb9e64df0e2282

821085 as geometric shapes

Circle

Radius = n
Diameter 1642170
Circumference 5159029.2079456
Area 2118000748603

Sphere

Radius = n
Volume 2.3187448595556E+18
Surface area 8472002994411.9
Circumference 5159029.2079456

Square

Length = n
Perimeter 3284340
Area 674180577225
Diagonal 1161189.5428611

Cube

Length = n
Surface area 4045083463350
Volume 553559559250789125
Space diagonal 1422160.9373327

Equilateral Triangle

Length = n
Perimeter 2463255
Area 291928753307.45
Altitude 711080.46866635

Triangular Pyramid

Length = n
Surface area 291928753307.45
Volume 6.5237619689478E+16
Height 387063.1809537