821490243 (number)

821490243 is an odd 9-digits composite number following 821490242 and preceding 821490244. In scientific notation, it is written as 8.21490243 × 10^8. The sum of its digits is 33. It has a total of 6 prime factors and 48 positive divisors. There are 450261504 positive integers (up to 821490243) that are relatively prime to 821490243.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.21490243 × 10^8
Engineering notation 8.21490243 × 10^6

Prime Factorization of 821490243

Prime Factorization 3 × 7 × 7 × 37 × 73 × 2069

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 117355749
Product of the distinct prime numbers

The prime factorization of 821490243 is 3 × 7 × 7 × 37 × 73 × 2069. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 821490243)

Multiplication

n×y
n×2 1642980486
n×3 2464470729
n×4 3285960972
n×5 4107451215

Division

n÷y
n÷2 410745121.5
n÷3 273830081
n÷3 205372560.75
n÷5 164298048.6

Exponentiation

ny
n2 674846219344199049
n3 5.543795847167E+26
n4 4.5541741976316E+35
n5 3.7412096682767E+44

Nth Root

y√n
2√n 28661.651086426
3√n 936.55683249782
4√n 169.29752238714
5√n 60.662524806845

Divisors of 821490243

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -821490242
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 821490243 can be divided by 48 positive divisors. The sum of these divisors (counting 821490243) is 1, the average is 0.020833333333333.

Base conversion 821490243

Base System Value
2 Binary 110000111101101111001001000011
3 Ternary 2010020210000202120
4 Quaternary 300331233021003
5 Quinary 3140300141433
6 Senary 213303215323
8 Octal 6075571103
10 Decimal 821490243
12 Duodecimal 1ab147543
16 Hexadecimal 30f6f243
20 Vigesimal cge65c3
36 Base36 dl3dxf

Cryptographic Hash Functions

md5 b17c41129efabad251a3ecfe51f40f72
sha1 3bb8a5dc157f6aa9e455bde3e6255a343190e3ee
sha256 cb79a00f4e020ac5f3610c353e88657a06af379949f1555672bdc73237c6afb9
sha512 2d6e3fdfa5e90812c9f3f09f38c3afd2bac944a00a520ef7154c541a9fa2f548acdc8fd8741f2c51dc17eabfdcd511a8ac1a5a65ac770f30ca7a009889c15507
ripemd-160 e735e6e251d4472d72cbe4183b8fbec25c8b3e8a

821490243 as geometric shapes

Circle

Radius = n
Diameter 1642980486
Circumference 5161575424.809
Area 2.1200919249946E+18

Sphere

Radius = n
Volume 2.3221797741948E+27
Surface area 8.4803676999783E+18
Circumference 5161575424.809

Square

Length = n
Perimeter 3285960972
Area 674846219344199049
Diagonal 1161762643.0078

Cube

Length = n
Surface area 4049077316065194294
Volume 5.543795847167E+26
Space diagonal 1422862838.7981

Equilateral Triangle

Length = n
Perimeter 2464470729
Area 2.9221698479998E+17
Altitude 711431419.39905

Triangular Pyramid

Length = n
Surface area 2.9221698479998E+17
Volume 6.5334260617426E+25
Height 387254214.33592