821000381 (number)

821000381 is an odd 9-digits composite number following 821000380 and preceding 821000382. In scientific notation, it is written as 8.21000381 × 10^8. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 820887612 positive integers (up to 821000381) that are relatively prime to 821000381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.21000381 × 10^8
Engineering notation 8.21000381 × 10^6

Prime Factorization of 821000381

Prime Factorization 7823 × 104947

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 821000381
Product of the distinct prime numbers

The prime factorization of 821000381 is 7823 × 104947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 821000381)

Multiplication

n×y
n×2 1642000762
n×3 2463001143
n×4 3284001524
n×5 4105001905

Division

n÷y
n÷2 410500190.5
n÷3 273666793.66667
n÷3 205250095.25
n÷5 164200076.2

Exponentiation

ny
n2 674041625602145161
n3 5.5338843142922E+26
n4 4.5433211304438E+35
n5 3.7300683790997E+44

Nth Root

y√n
2√n 28653.104212284
3√n 936.37063640299
4√n 169.27227833371
5√n 60.655288359049

Divisors of 821000381

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 -821000380
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 821000381 can be divided by 4 positive divisors. The sum of these divisors (counting 821000381) is 1, the average is 0.25.

Base conversion 821000381

Base System Value
2 Binary 110000111011110111100010111101
3 Ternary 2010012212010210112
4 Quaternary 300323313202331
5 Quinary 3140134003011
6 Senary 213244515405
8 Octal 6073674275
10 Decimal 821000381
12 Duodecimal 1aab4bb65
16 Hexadecimal 30ef78bd
20 Vigesimal cgb50j1
36 Base36 dksvy5

Cryptographic Hash Functions

md5 376544408d72573d4ab39ddcf145ebeb
sha1 f6abfea4bfb3fb5d9795ea554482aea7c57654c9
sha256 999a3d816eddb5d3a9d451b7a7f526dce741d697e477418c3fdba61d2433775f
sha512 47aedd984037ae8b76cb8a34e333cd4f4b8a65bb350788f870b656ec47efc23c59e1955774b7784592574d119b2ca5f06c565e3c791b120b196a968ba5e4c1af
ripemd-160 1b5536f2500f1aff4c1a588421c05813a8ac3f82

821000381 as geometric shapes

Circle

Radius = n
Diameter 1642000762
Circumference 5158497531.088
Area 2.1175642192054E+18

Sphere

Radius = n
Volume 2.3180280410128E+27
Surface area 8.4702568768217E+18
Circumference 5158497531.088

Square

Length = n
Perimeter 3284001524
Area 674041625602145161
Diagonal 1161069873.5237

Cube

Length = n
Surface area 4044249753612870966
Volume 5.5338843142922E+26
Space diagonal 1422014372.9254

Equilateral Triangle

Length = n
Perimeter 2463001143
Area 2.9186858548981E+17
Altitude 711007186.4627

Triangular Pyramid

Length = n
Surface area 2.9186858548981E+17
Volume 6.5217452082298E+25
Height 387023291.17456