20921189 (number)

20921189 is an odd 8-digits composite number following 20921188 and preceding 20921190. In scientific notation, it is written as 2.0921189 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20898924 positive integers (up to 20921189) that are relatively prime to 20921189.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921189 × 10^7
Engineering notation 2.0921189 × 10^6

Prime Factorization of 20921189

Prime Factorization 983 × 21283

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921189
Product of the distinct prime numbers

The prime factorization of 20921189 is 983 × 21283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921189)

Multiplication

n×y
n×2 41842378
n×3 62763567
n×4 83684756
n×5 104605945

Division

n÷y
n÷2 10460594.5
n÷3 6973729.6666667
n÷3 5230297.25
n÷5 4184237.8

Exponentiation

ny
n2 437696149173721
n3 9.1571238614356E+21
n4 1.915779190015E+29
n5 4.0080378516572E+36

Nth Root

y√n
2√n 4573.9686269147
3√n 275.54685232971
4√n 67.631121733376
5√n 29.115032053679

Divisors of 20921189

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 -20921188
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 20921189 can be divided by 4 positive divisors. The sum of these divisors (counting 20921189) is 1, the average is 0.25.

Base conversion 20921189

Base System Value
2 Binary 1001111110011101101100101
3 Ternary 1110100220110212
4 Quaternary 1033303231211
5 Quinary 20323434224
6 Senary 2024225205
8 Octal 117635545
10 Decimal 20921189
12 Duodecimal 700b205
16 Hexadecimal 13f3b65
20 Vigesimal 6af2j9
36 Base36 cgew5

Cryptographic Hash Functions

md5 a9cce669a128aa4bc3a1f7467a9681a6
sha1 3fd603e510c5563656a3bf10f8e9764494f92d8f
sha256 6d07270149247d7d143743e151aa968e8a96522a99b15294b47258a05c1d38d1
sha512 aee7f79c5ced1f549a388485b54420da7b0625059eaf598669325d713c61129f929d0e77d372e469536eaf6d18b12f422db49f4fe545b2c4bc5d0b6ea905dff2
ripemd-160 8a734c36cdb656a4d7abd60e8c8085aa502ecc30

20921189 as geometric shapes

Circle

Radius = n
Diameter 41842378
Circumference 131451707.33353
Area 1.3750630067487E+15

Sphere

Radius = n
Volume 3.8357270734797E+22
Surface area 5.5002520269948E+15
Circumference 131451707.33353

Square

Length = n
Perimeter 83684756
Area 437696149173721
Diagonal 29587029.224771

Cube

Length = n
Surface area 2626176895042326
Volume 9.1571238614356E+21
Space diagonal 36236562.302751

Equilateral Triangle

Length = n
Perimeter 62763567
Area 1.8952799216153E+14
Altitude 18118281.151376

Triangular Pyramid

Length = n
Surface area 1.8952799216153E+14
Volume 1.079177396431E+21
Height 9862343.0749236