20136821 (number)

20136821 is an odd 8-digits composite number following 20136820 and preceding 20136822. In scientific notation, it is written as 2.0136821 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 19647520 positive integers (up to 20136821) that are relatively prime to 20136821.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-six thousand eight hundred twenty-one

Notation

Scientific notation 2.0136821 × 10^7
Engineering notation 2.0136821 × 10^6

Prime Factorization of 20136821

Prime Factorization 47 × 761 × 563

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20136821
Product of the distinct prime numbers

The prime factorization of 20136821 is 47 × 761 × 563. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20136821)

Multiplication

n×y
n×2 40273642
n×3 60410463
n×4 80547284
n×5 100684105

Division

n÷y
n÷2 10068410.5
n÷3 6712273.6666667
n÷3 5034205.25
n÷5 4027364.2

Exponentiation

ny
n2 405491559986041
n3 8.1653109604497E+21
n4 1.6442340521991E+29
n5 3.3109646791239E+36

Nth Root

y√n
2√n 4487.4069349681
3√n 272.05933772475
4√n 66.988110400041
5√n 28.893368858929

Divisors of 20136821

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 -20136820
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 20136821 can be divided by 8 positive divisors. The sum of these divisors (counting 20136821) is 1, the average is 0.125.

Base conversion 20136821

Base System Value
2 Binary 1001100110100001101110101
3 Ternary 1101220001112012
4 Quaternary 1030310031311
5 Quinary 20123334241
6 Senary 1555334005
8 Octal 114641565
10 Decimal 20136821
12 Duodecimal 68b1305
16 Hexadecimal 1334375
20 Vigesimal 65h211
36 Base36 bzlo5

Cryptographic Hash Functions

md5 d7e689fb0544508675100ebfbaacca7e
sha1 1ea5e7e1093210576f041272a69f0665d84de9fc
sha256 e3ab8f625b5c9a7901d99f3a0fc103bba0ff9f1a4c14b201a3b5f3db7408d98d
sha512 5a9a881d338f54daf940fd67db820304429fd58ff1ee96814b36a025de8e91209f2e8c0c651c3b77fad1a28022c6a91fc8196e3e1b6e726c3158fe3e7b9f8419
ripemd-160 3db6538e365a8ec5378eb92b07e13615434c74cd

20136821 as geometric shapes

Circle

Radius = n
Diameter 40273642
Circumference 126523377.84051
Area 1.2738893059448E+15

Sphere

Radius = n
Volume 3.4202774570167E+22
Surface area 5.0955572237792E+15
Circumference 126523377.84051

Square

Length = n
Perimeter 80547284
Area 405491559986041
Diagonal 28477765.361279

Cube

Length = n
Surface area 2432949359916246
Volume 8.1653109604497E+21
Space diagonal 34877997.07492

Equilateral Triangle

Length = n
Perimeter 60410463
Area 1.7558299598405E+14
Altitude 17438998.53746

Triangular Pyramid

Length = n
Surface area 1.7558299598405E+14
Volume 9.6229112510513E+20
Height 9492588.4537598