20123821 (number)

20123821 is an odd 8-digits composite number following 20123820 and preceding 20123822. In scientific notation, it is written as 2.0123821 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20076700 positive integers (up to 20123821) that are relatively prime to 20123821.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-three thousand eight hundred twenty-one

Notation

Scientific notation 2.0123821 × 10^7
Engineering notation 2.0123821 × 10^6

Prime Factorization of 20123821

Prime Factorization 431 × 46691

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20123821
Product of the distinct prime numbers

The prime factorization of 20123821 is 431 × 46691. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20123821)

Multiplication

n×y
n×2 40247642
n×3 60371463
n×4 80495284
n×5 100619105

Division

n÷y
n÷2 10061910.5
n÷3 6707940.3333333
n÷3 5030955.25
n÷5 4024764.2

Exponentiation

ny
n2 404968171640041
n3 8.1495069967815E+21
n4 1.6399922004148E+29
n5 3.3002909482543E+36

Nth Root

y√n
2√n 4485.9582031044
3√n 272.00077944557
4√n 66.977296176424
5√n 28.889637278569

Divisors of 20123821

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 -20123820
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 20123821 can be divided by 4 positive divisors. The sum of these divisors (counting 20123821) is 1, the average is 0.25.

Base conversion 20123821

Base System Value
2 Binary 1001100110001000010101101
3 Ternary 1101212101200201
4 Quaternary 1030301002231
5 Quinary 20122430241
6 Senary 1555153501
8 Octal 114610255
10 Decimal 20123821
12 Duodecimal 68a5891
16 Hexadecimal 13310ad
20 Vigesimal 65f9b1
36 Base36 bzbn1

Cryptographic Hash Functions

md5 57985f162869d3703361e72c88226331
sha1 0f014dd6590256f2fa2330d37fc4f846f69fbe0f
sha256 b948672e042efe02546e11f72f610f37675b2422416dfe21d584cb920126f809
sha512 779f0954c8e54477255c7c0d2250151ca176252ea1011a661eb7eda15eaefb07dceac9d1e7e3f1a4e6e2dd0a486698ce26bb2143752bad03ef1a820e19a73fb3
ripemd-160 766f166bb05e0c2bb2002ff92f2b270a91f2d57e

20123821 as geometric shapes

Circle

Radius = n
Diameter 40247642
Circumference 126441696.43151
Area 1.272245032962E+15

Sphere

Radius = n
Volume 3.4136575081956E+22
Surface area 5.0889801318482E+15
Circumference 126441696.43151

Square

Length = n
Perimeter 80495284
Area 404968171640041
Diagonal 28459380.584969

Cube

Length = n
Surface area 2429809029840246
Volume 8.1495069967815E+21
Space diagonal 34855480.414422

Equilateral Triangle

Length = n
Perimeter 60371463
Area 1.7535636218221E+14
Altitude 17427740.207211

Triangular Pyramid

Length = n
Surface area 1.7535636218221E+14
Volume 9.6042861012523E+20
Height 9486460.1949895