820512161 (number)

820512161 is an odd 9-digits composite number following 820512160 and preceding 820512162. In scientific notation, it is written as 8.20512161 × 10^8. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 703296132 positive integers (up to 820512161) that are relatively prime to 820512161.

Interesting facts

Basic properties

Name

Name eight hundred twenty million five hundred twelve thousand one hundred sixty-one

Notation

Scientific notation 8.20512161 × 10^8
Engineering notation 8.20512161 × 10^6

Prime Factorization of 820512161

Prime Factorization 7 × 117216023

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 820512161
Product of the distinct prime numbers

The prime factorization of 820512161 is 7 × 117216023. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 10, 25, 73, 774, 18, 8528, 8754, 99508, 2404, 35888, 709822, 5691277, 321949, 94648603, 6081187, 215982245, 151014347, 8551505848, 8482906476

Basic calculations (n = 820512161)

Multiplication

n×y
n×2 1641024322
n×3 2461536483
n×4 3282048644
n×5 4102560805

Division

n÷y
n÷2 410256080.5
n÷3 273504053.66667
n÷3 205128040.25
n÷5 164102432.2

Exponentiation

ny
n2 673240206348889921
n3 5.5240177658341E+26
n4 4.532523754447E+35
n5 3.7189908605451E+44

Nth Root

y√n
2√n 28644.583449581
3√n 936.18499072381
4√n 169.24710765499
5√n 60.648072729912

Divisors of 820512161

1, 7, 117216023, 820512161

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 -820512160
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 820512161 can be divided by 4 positive divisors. The sum of these divisors (counting 820512161) is 1, the average is 0.25.

Base conversion 820512161

Base System Value
2 Binary 110000111010000000010110100001
3 Ternary 2010011221100002022
4 Quaternary 300322000112201
5 Quinary 3140022342121
6 Senary 213230231225
8 Octal 6072002641
10 Decimal 820512161
12 Duodecimal 1aa955515
16 Hexadecimal 30e805a1
20 Vigesimal cg84081
36 Base36 dkif8h

Cryptographic Hash Functions

md5 81121277d16cab03a6cae326e418d855
sha1 7188c4a5d0be7da709da460618a65ad2bee81ae2
sha256 cb3f1a20ebd1f2a857f3445eec2fbd6b76a44009c239d04d0aafbb14661f8413
sha512 f4ef5758a521be65391d9b016b642a6876ab4b6521641796acf964fbbf84f09bb4f168545775516c207053c8aca68acaaed55ecc78bfdaa5590149fc1b388ab9
ripemd-160 fe9dbedfa340b3f6408a9552c0037e44cf564c43

820512161 as geometric shapes

Circle

Radius = n
Diameter 1641024322
Circumference 5155429954.3574
Area 2.1150464863669E+18

Sphere

Radius = n
Volume 2.3138951508592E+27
Surface area 8.4601859454678E+18
Circumference 5155429954.3574

Square

Length = n
Perimeter 3282048644
Area 673240206348889921
Diagonal 1160379426.1783

Cube

Length = n
Surface area 4039441238093339526
Volume 5.5240177658341E+26
Space diagonal 1421168751.0801

Equilateral Triangle

Length = n
Perimeter 2461536483
Area 2.9152156077361E+17
Altitude 710584375.54007

Triangular Pyramid

Length = n
Surface area 2.9152156077361E+17
Volume 6.5101173693605E+25
Height 386793142.05942