20129921 (number)

20129921 is an odd 8-digits composite number following 20129920 and preceding 20129922. In scientific notation, it is written as 2.0129921 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 16239168 positive integers (up to 20129921) that are relatively prime to 20129921.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-nine thousand nine hundred twenty-one

Notation

Scientific notation 2.0129921 × 10^7
Engineering notation 2.0129921 × 10^6

Prime Factorization of 20129921

Prime Factorization 119 × 169159

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20129921
Product of the distinct prime numbers

The prime factorization of 20129921 is 119 × 169159. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20129921)

Multiplication

n×y
n×2 40259842
n×3 60389763
n×4 80519684
n×5 100649605

Division

n÷y
n÷2 10064960.5
n÷3 6709973.6666667
n÷3 5032480.25
n÷5 4025984.2

Exponentiation

ny
n2 405213719466241
n3 8.1569201609716E+21
n4 1.6419815844367E+29
n5 3.3052959578165E+36

Nth Root

y√n
2√n 4486.6380509241
3√n 272.02825993143
4√n 66.982371195144
5√n 28.891388490964

Divisors of 20129921

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 -20129920
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 20129921 can be divided by 4 positive divisors. The sum of these divisors (counting 20129921) is 1, the average is 0.25.

Base conversion 20129921

Base System Value
2 Binary 1001100110010100010000001
3 Ternary 1101212201001122
4 Quaternary 1030302202001
5 Quinary 20123124141
6 Senary 1555242025
8 Octal 114624201
10 Decimal 20129921
12 Duodecimal 68a9315
16 Hexadecimal 1332881
20 Vigesimal 65g4g1
36 Base36 bzgch

Cryptographic Hash Functions

md5 6f45ce28482ad5696c893176642ab800
sha1 a1c7c99b5524c1e63f45bb9cb501064aab2eb4e4
sha256 419aa850be61ec326a09720c08d11ad325a09a7947947726ee0a7c1527496a4b
sha512 e009983028e65e631983ba3825ee2de53c5833206ac71f6bdc1f9fa2a7f64d15591c49d0d7109545ec8aff6f2549a16ef897278f8ec046f94faa59f3d6199b0d
ripemd-160 90d75c4753dd97ea56fd6e2b6386c27df70f72d6

20129921 as geometric shapes

Circle

Radius = n
Diameter 40259842
Circumference 126480023.86189
Area 1.2730164442089E+15

Sphere

Radius = n
Volume 3.4167627271502E+22
Surface area 5.0920657768358E+15
Circumference 126480023.86189

Square

Length = n
Perimeter 80519684
Area 405213719466241
Diagonal 28468007.287699

Cube

Length = n
Surface area 2431282316797446
Volume 8.1569201609716E+21
Space diagonal 34866045.924348

Equilateral Triangle

Length = n
Perimeter 60389763
Area 1.7546268750987E+14
Altitude 17433022.962174

Triangular Pyramid

Length = n
Surface area 1.7546268750987E+14
Volume 9.6130225990338E+20
Height 9489335.7625663