821000385 (number)

821000385 is an odd 9-digits composite number following 821000384 and preceding 821000386. In scientific notation, it is written as 8.21000385 × 10^8. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 437866848 positive integers (up to 821000385) that are relatively prime to 821000385.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million three hundred eighty-five

Notation

Scientific notation 8.21000385 × 10^8
Engineering notation 8.21000385 × 10^6

Prime Factorization of 821000385

Prime Factorization 45 × 18244453

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 821000385
Product of the distinct prime numbers

The prime factorization of 821000385 is 45 × 18244453. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 30, 33, 508, 599, 6084, 729, 53217, 38313, 630707, 370816, 3948051, 1194971, 81400391, 60679159, 462333414, 758271275, 3018603015, 9273354251

Basic calculations (n = 821000385)

Multiplication

n×y
n×2 1642000770
n×3 2463001155
n×4 3284001540
n×5 4105001925

Division

n÷y
n÷2 410500192.5
n÷3 273666795
n÷3 205250096.25
n÷5 164200077

Exponentiation

ny
n2 674041632170148225
n3 5.5338843951772E+26
n4 4.543321218986E+35
n5 3.7300684699662E+44

Nth Root

y√n
2√n 28653.104282084
3√n 936.37063792369
4√n 169.27227853988
5√n 60.655288418152

Divisors of 821000385

1, 45, 18244453, 821000385

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 -821000384
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 821000385 can be divided by 4 positive divisors. The sum of these divisors (counting 821000385) is 1, the average is 0.25.

Base conversion 821000385

Base System Value
2 Binary 110000111011110111100011000001
3 Ternary 2010012212010210200
4 Quaternary 300323313203001
5 Quinary 3140134003020
6 Senary 213244515413
8 Octal 6073674301
10 Decimal 821000385
12 Duodecimal 1aab4bb69
16 Hexadecimal 30ef78c1
20 Vigesimal cgb50j5
36 Base36 dksvy9

Cryptographic Hash Functions

md5 1a63aacfdf25d9dfdf3839bc30460944
sha1 2bf275249bd90218572e79c02506e90020cc06e8
sha256 ced6fde04c0538bc62a6cff57051880bfbe3e10a16565cbb28eb2d60a70ec6fa
sha512 7d5797f7a5421acd5c630c7e991093f6b95e2e34f7196a29b59a94fa0d66ff0f4a6eedfe1504385c92010ec2abe67e6d98d2b7e305d1629ec613f58997d4ebd9
ripemd-160 a666490fc6d9a73b1736f6b43c60b9283d878f64

821000385 as geometric shapes

Circle

Radius = n
Diameter 1642000770
Circumference 5158497556.2208
Area 2.1175642398394E+18

Sphere

Radius = n
Volume 2.3180280748939E+27
Surface area 8.4702569593576E+18
Circumference 5158497556.2208

Square

Length = n
Perimeter 3284001540
Area 674041632170148225
Diagonal 1161069879.1805

Cube

Length = n
Surface area 4044249793020889350
Volume 5.5338843951772E+26
Space diagonal 1422014379.8536

Equilateral Triangle

Length = n
Perimeter 2463001155
Area 2.9186858833384E+17
Altitude 711007189.9268

Triangular Pyramid

Length = n
Surface area 2.9186858833384E+17
Volume 6.5217453035537E+25
Height 387023293.06018