821428090 (number)

821428090 is an even 9-digits composite number following 821428089 and preceding 821428091. In scientific notation, it is written as 8.21428090 × 10^8. The sum of its digits is 34. It has a total of 6 prime factors and 64 positive divisors. There are 274029120 positive integers (up to 821428090) that are relatively prime to 821428090.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.21428090 × 10^8
Engineering notation 8.21428090 × 10^6

Prime Factorization of 821428090

Prime Factorization 2 × 7 × 5 × 59 × 103 × 1931

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 821428090
Product of the distinct prime numbers

The prime factorization of 821428090 is 2 × 7 × 5 × 59 × 103 × 1931. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 821428090)

Multiplication

n×y
n×2 1642856180
n×3 2464284270
n×4 3285712360
n×5 4107140450

Division

n÷y
n÷2 410714045
n÷3 273809363.33333
n÷3 205357022.5
n÷5 164285618

Exponentiation

ny
n2 674744107041048100
n3 5.5425376308548E+26
n4 4.5527960998662E+35
n5 3.7397946044726E+44

Nth Root

y√n
2√n 28660.56681226
3√n 936.53321230051
4√n 169.29432008269
5√n 60.661606847796

Divisors of 821428090

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -821428089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 821428090 can be divided by 64 positive divisors. The sum of these divisors (counting 821428090) is 1, the average is 0.015625.

Base conversion 821428090

Base System Value
2 Binary 110000111101011111111101111010
3 Ternary 2010020122212111121
4 Quaternary 300331133331322
5 Quinary 3140241144330
6 Senary 213302015454
8 Octal 6075377572
10 Decimal 821428090
12 Duodecimal 1ab11758a
16 Hexadecimal 30f5ff7a
20 Vigesimal cgdia4a
36 Base36 dl21yy

Cryptographic Hash Functions

md5 d72b0dcdeeb8121869c8d8bb8bfc0a97
sha1 209baac1bc81466da07d504f30783c598e6ca4c6
sha256 c7f03b601b98c3de70ef6f775e50ed4b52eaa74050c86680974d56567ba60193
sha512 4daa58c85e6f296d2a5d92a44077792ef0d06c9f533730c0909a1a97cd682d951b0059ea742a1035d7cf1362f16e6ea891ff0cc4b3e79d71b800691db3f7cfad
ripemd-160 9e74b1132933161a31b75645c16e4c3f8ce0293d

821428090 as geometric shapes

Circle

Radius = n
Diameter 1642856180
Circumference 5161184905.9926
Area 2.1197711297332E+18

Sphere

Radius = n
Volume 2.3216527337785E+27
Surface area 8.4790845189326E+18
Circumference 5161184905.9926

Square

Length = n
Perimeter 3285712360
Area 674744107041048100
Diagonal 1161674745.3922

Cube

Length = n
Surface area 4048464642246288600
Volume 5.5425376308548E+26
Space diagonal 1422755186.6443

Equilateral Triangle

Length = n
Perimeter 2464284270
Area 2.921727688757E+17
Altitude 711377593.32213

Triangular Pyramid

Length = n
Surface area 2.921727688757E+17
Volume 6.5319432395985E+25
Height 387224915.13074