821490242 (number)

821490242 is an even 9-digits composite number following 821490241 and preceding 821490243. In scientific notation, it is written as 8.21490242 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 410745120 positive integers (up to 821490242) that are relatively prime to 821490242.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million four hundred ninety thousand two hundred forty-two

Notation

Scientific notation 8.21490242 × 10^8
Engineering notation 8.21490242 × 10^6

Prime Factorization of 821490242

Prime Factorization 2 × 410745121

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 821490242
Product of the distinct prime numbers

The prime factorization of 821490242 is 2 × 410745121. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 47, 19, 929, 500, 8511, 3435, 52827, 47879, 753114, 989215, 2939194, 8210935, 81976082, 31263303, 646121557, 51761616, 7930211026, 2177578935

Basic calculations (n = 821490242)

Multiplication

n×y
n×2 1642980484
n×3 2464470726
n×4 3285960968
n×5 4107451210

Division

n÷y
n÷2 410745121
n÷3 273830080.66667
n÷3 205372560.5
n÷5 164298048.4

Exponentiation

ny
n2 674846217701218564
n3 5.5437958269216E+26
n4 4.5541741754564E+35
n5 3.7412096455058E+44

Nth Root

y√n
2√n 28661.651068981
3√n 936.5568321178
4√n 169.29752233562
5√n 60.662524792076

Divisors of 821490242

1, 2, 410745121, 821490242

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 -821490241
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 821490242 can be divided by 4 positive divisors. The sum of these divisors (counting 821490242) is 1, the average is 0.25.

Base conversion 821490242

Base System Value
2 Binary 110000111101101111001001000010
3 Ternary 2010020210000202112
4 Quaternary 300331233021002
5 Quinary 3140300141432
6 Senary 213303215322
8 Octal 6075571102
10 Decimal 821490242
12 Duodecimal 1ab147542
16 Hexadecimal 30f6f242
20 Vigesimal cge65c2
36 Base36 dl3dxe

Cryptographic Hash Functions

md5 25eca26ad355cdd11c6e2241a75f0d30
sha1 5d5490eaa02e2c1aba792ffe7aa10e8022faaad9
sha256 39eff515b2f19799aed351ced5b65db1cd405e37f094a929f03db31afc8ac2d8
sha512 1e557bb40a36f4c758450f93382b593a1e25ee3c9b3873f38a899a2f98f9a3dffa5dcbb5de945bf526ad54dc1799971b5abdbe903373935a26980fe033e38053
ripemd-160 1d41cbc166be0d04b017825726aa7839cfff0e8b

821490242 as geometric shapes

Circle

Radius = n
Diameter 1642980484
Circumference 5161575418.5258
Area 2.120091919833E+18

Sphere

Radius = n
Volume 2.3221797657145E+27
Surface area 8.480367679332E+18
Circumference 5161575418.5258

Square

Length = n
Perimeter 3285960968
Area 674846217701218564
Diagonal 1161762641.5936

Cube

Length = n
Surface area 4049077306207311384
Volume 5.5437958269216E+26
Space diagonal 1422862837.0661

Equilateral Triangle

Length = n
Perimeter 2464470726
Area 2.9221698408855E+17
Altitude 711431418.53303

Triangular Pyramid

Length = n
Surface area 2.9221698408855E+17
Volume 6.5334260378832E+25
Height 387254213.86452