20402815 (number)

20402815 is an odd 8-digits composite number following 20402814 and preceding 20402816. In scientific notation, it is written as 2.0402815 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 16306080 positive integers (up to 20402815) that are relatively prime to 20402815.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand eight hundred fifteen

Notation

Scientific notation 2.0402815 × 10^7
Engineering notation 2.0402815 × 10^6

Prime Factorization of 20402815

Prime Factorization 5 × 2111 × 1933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402815
Product of the distinct prime numbers

The prime factorization of 20402815 is 5 × 2111 × 1933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402815)

Multiplication

n×y
n×2 40805630
n×3 61208445
n×4 81611260
n×5 102014075

Division

n÷y
n÷2 10201407.5
n÷3 6800938.3333333
n÷3 5100703.75
n÷5 4080563

Exponentiation

ny
n2 416274859924225
n3 8.4931789561849E+21
n4 1.7328475900493E+29
n5 3.5354968802972E+36

Nth Root

y√n
2√n 4516.9475312428
3√n 273.25200915277
4√n 67.208240054645
5√n 28.969301139536

Divisors of 20402815

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 -20402814
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 20402815 can be divided by 8 positive divisors. The sum of these divisors (counting 20402815) is 1, the average is 0.125.

Base conversion 20402815

Base System Value
2 Binary 1001101110101001001111111
3 Ternary 1102101120101211
4 Quaternary 1031311021333
5 Quinary 20210342230
6 Senary 2005145251
8 Octal 115651177
10 Decimal 20402815
12 Duodecimal 69bb227
16 Hexadecimal 137527f
20 Vigesimal 67a70f
36 Base36 c5awv

Cryptographic Hash Functions

md5 06301c7336c2236e1bfe3bf11f2ce1e4
sha1 1c547f8e39fe14e5d69021a70f18546b365e42b6
sha256 97a67b964f062bb04f32cd950bec312de075cf904e758db560eeb3c7a7ce82bc
sha512 ca512fc31f19be1faed32810d0f5c532b606d8700498ec71967b5b7a7611b2e481333800b0d53570dca8f484e681019d24fef10558c8ccb092919f8c20ef0647
ripemd-160 8a8c3e0935a95f59bf263fe73782b28f89fd3354

20402815 as geometric shapes

Circle

Radius = n
Diameter 40805630
Circumference 128194667.4331
Area 1.3077660418121E+15

Sphere

Radius = n
Volume 3.5576144819165E+22
Surface area 5.2310641672483E+15
Circumference 128194667.4331

Square

Length = n
Perimeter 81611260
Area 416274859924225
Diagonal 28853937.683589

Cube

Length = n
Surface area 2497649159545350
Volume 8.4931789561849E+21
Space diagonal 35338712.197428

Equilateral Triangle

Length = n
Perimeter 61208445
Area 1.8025230182559E+14
Altitude 17669356.098714

Triangular Pyramid

Length = n
Surface area 1.8025230182559E+14
Volume 1.0009307389582E+21
Height 9617979.2278631