821420146 (number)

821420146 is an even 9-digits composite number following 821420145 and preceding 821420147. In scientific notation, it is written as 8.21420146 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 410710072 positive integers (up to 821420146) that are relatively prime to 821420146.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million four hundred twenty thousand one hundred forty-six

Notation

Scientific notation 8.21420146 × 10^8
Engineering notation 8.21420146 × 10^6

Prime Factorization of 821420146

Prime Factorization 2 × 410710073

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 821420146
Product of the distinct prime numbers

The prime factorization of 821420146 is 2 × 410710073. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 821420146)

Multiplication

n×y
n×2 1642840292
n×3 2464260438
n×4 3285680584
n×5 4107100730

Division

n÷y
n÷2 410710073
n÷3 273806715.33333
n÷3 205355036.5
n÷5 164284029.2

Exponentiation

ny
n2 674731056254661316
n3 5.5423768273944E+26
n4 4.5526199827453E+35
n5 3.7396137709092E+44

Nth Root

y√n
2√n 28660.428224296
3√n 936.53019323168
4√n 169.29391077146
5√n 60.66148951612

Divisors of 821420146

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 -821420145
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 821420146 can be divided by 4 positive divisors. The sum of these divisors (counting 821420146) is 1, the average is 0.25.

Base conversion 821420146

Base System Value
2 Binary 110000111101011110000001110010
3 Ternary 2010020122110121101
4 Quaternary 300331132001302
5 Quinary 3140240421041
6 Senary 213301515014
8 Octal 6075360162
10 Decimal 821420146
12 Duodecimal 1ab112a6a
16 Hexadecimal 30f5e072
20 Vigesimal cgdha76
36 Base36 dl1vua

Cryptographic Hash Functions

md5 414d910fb430062c731ee51c9b662529
sha1 6a2a3d6c45700bf95597205523b4bee679fb6330
sha256 236dfb97b0197b1d46d84b3633ea34b914c4e13a43cf296ac4093306beedce0a
sha512 40993f58182da0f1781749b9be96041f4fa9d9ea8f99d863001a4d5ed1763c9ce3761b71a7294f9ed7be65f1ac311b4540e077bf2566db54673c50722a4c492b
ripemd-160 4de08488a5e704910446324e8425ba23a696975f

821420146 as geometric shapes

Circle

Radius = n
Diameter 1642840292
Circumference 5161134992.3685
Area 2.1197301294785E+18

Sphere

Radius = n
Volume 2.3215853765825E+27
Surface area 8.4789205179141E+18
Circumference 5161134992.3685

Square

Length = n
Perimeter 3285680584
Area 674731056254661316
Diagonal 1161663510.8797

Cube

Length = n
Surface area 4048386337527967896
Volume 5.5423768273944E+26
Space diagonal 1422741427.2326

Equilateral Triangle

Length = n
Perimeter 2464260438
Area 2.9216711771942E+17
Altitude 711370713.61632

Triangular Pyramid

Length = n
Surface area 2.9216711771942E+17
Volume 6.5317537309029E+25
Height 387221170.29323