20408815 (number)

20408815 is an odd 8-digits composite number following 20408814 and preceding 20408816. In scientific notation, it is written as 2.0408815 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 13957920 positive integers (up to 20408815) that are relatively prime to 20408815.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand eight hundred fifteen

Notation

Scientific notation 2.0408815 × 10^7
Engineering notation 2.0408815 × 10^6

Prime Factorization of 20408815

Prime Factorization 5 × 7 × 719 × 811

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20408815
Product of the distinct prime numbers

The prime factorization of 20408815 is 5 × 7 × 719 × 811. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20408815)

Multiplication

n×y
n×2 40817630
n×3 61226445
n×4 81635260
n×5 102044075

Division

n÷y
n÷2 10204407.5
n÷3 6802938.3333333
n÷3 5102203.75
n÷5 4081763

Exponentiation

ny
n2 416519729704225
n3 8.5006741073835E+21
n4 1.7348868523288E+29
n5 3.5406984815111E+36

Nth Root

y√n
2√n 4517.6116477626
3√n 273.27879224401
4√n 67.213180610373
5√n 28.971004780571

Divisors of 20408815

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20408814
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20408815 can be divided by 16 positive divisors. The sum of these divisors (counting 20408815) is 1, the average is 0.0625.

Base conversion 20408815

Base System Value
2 Binary 1001101110110100111101111
3 Ternary 1102101212122001
4 Quaternary 1031312213233
5 Quinary 20211040230
6 Senary 2005233131
8 Octal 115664757
10 Decimal 20408815
12 Duodecimal 6a027a7
16 Hexadecimal 13769ef
20 Vigesimal 67b20f
36 Base36 c5fjj

Cryptographic Hash Functions

md5 495f43639d4269af78680785721a868e
sha1 67447fcff4a90d818ec53b64850572e7ab61889f
sha256 10b28f5b142da7ec5dfc818e346aad4cf74df1c2ef0f023f75863a3c0ecb5328
sha512 cd61924046febae1491c247c4981038ebafdfb6bd75e7140ca0a13e2d11b3af6f70cd6c185bb6898d1879cbc0be674204e9bebe2b618954a86a1551ff556dc0e
ripemd-160 e6125240902f5bd4f376c917ab1baf8809eeb289

20408815 as geometric shapes

Circle

Radius = n
Diameter 40817630
Circumference 128232366.54495
Area 1.308535322914E+15

Sphere

Radius = n
Volume 3.5607540435089E+22
Surface area 5.234141291656E+15
Circumference 128232366.54495

Square

Length = n
Perimeter 81635260
Area 416519729704225
Diagonal 28862422.964963

Cube

Length = n
Surface area 2499118378225350
Volume 8.5006741073835E+21
Space diagonal 35349104.502274

Equilateral Triangle

Length = n
Perimeter 61226445
Area 1.8035833355064E+14
Altitude 17674552.251137

Triangular Pyramid

Length = n
Surface area 1.8035833355064E+14
Volume 1.001814050998E+21
Height 9620807.6549878