420721805 (number)

420721805 is an odd 9-digits composite number following 420721804 and preceding 420721806. In scientific notation, it is written as 4.20721805 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 288494928 positive integers (up to 420721805) that are relatively prime to 420721805.

Interesting facts

Basic properties

Name

Name four hundred twenty million seven hundred twenty-one thousand eight hundred five

Notation

Scientific notation 4.20721805 × 10^8
Engineering notation 4.20721805 × 10^6

Prime Factorization of 420721805

Prime Factorization 7 × 5 × 12020623

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 420721805
Product of the distinct prime numbers

The prime factorization of 420721805 is 7 × 5 × 12020623. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 82, 15, 52, 1000, 2, 8335, 25065, 61424, 233111, 110637, 2779709, 8209617, 12874183, 18319387, 414087024, 254361380, 2937910331, 4870863657

Basic calculations (n = 420721805)

Multiplication

n×y
n×2 841443610
n×3 1262165415
n×4 1682887220
n×5 2103609025

Division

n÷y
n÷2 210360902.5
n÷3 140240601.66667
n÷3 105180451.25
n÷5 84144361

Exponentiation

ny
n2 177006837202458025
n3 7.4470636045159E+25
n4 3.1331420416417E+34
n5 1.3181811750809E+43

Nth Root

y√n
2√n 20511.504211052
3√n 749.31600156968
4√n 143.2183794457
5√n 53.063880249377

Divisors of 420721805

1, 5, 7, 35, 12020623, 60103115, 84144361, 420721805

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -420721804
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 420721805 can be divided by 8 positive divisors. The sum of these divisors (counting 420721805) is 1, the average is 0.125.

Base conversion 420721805

Base System Value
2 Binary 11001000100111011010010001101
3 Ternary 1002022122212211002
4 Quaternary 121010323102031
5 Quinary 1330201044210
6 Senary 105425310045
8 Octal 3104732215
10 Decimal 420721805
12 Duodecimal b8a95325
16 Hexadecimal 1913b48d
20 Vigesimal 6b9a4a5
36 Base36 6yhj0t

Cryptographic Hash Functions

md5 8c1440675a1beba56f54352fcfccd4ac
sha1 9130f5ae02c51fb521720c69070bb11cdbd548d4
sha256 1a636dc433a19fe9912ee063b210ce19fe807dbbaf04f01cc329b19fc79b4e43
sha512 020c3650a7c4e46579a75d8324af245194c436f85e778c52b7fbde37c77ce4fac48222f021fc68af584765b35544c3d972b0d49d93508e6e51eb42c6c95ca409
ripemd-160 6473f5bf5a993134420a3ef47a2e6200ac213516

420721805 as geometric shapes

Circle

Radius = n
Diameter 841443610
Circumference 2643473063.5861
Area 5.5608337939041E+17

Sphere

Radius = n
Volume 3.1194187081018E+26
Surface area 2.2243335175616E+18
Circumference 2643473063.5861

Square

Length = n
Perimeter 1682887220
Area 177006837202458025
Diagonal 594990482.61709

Cube

Length = n
Surface area 1062041023214748150
Volume 7.4470636045159E+25
Space diagonal 728711542.11209

Equilateral Triangle

Length = n
Perimeter 1262165415
Area 7.6646208830433E+16
Altitude 364355771.05604

Triangular Pyramid

Length = n
Surface area 7.6646208830433E+16
Volume 8.7764486244679E+24
Height 198330160.87236