20921471 (number)

20921471 is an odd 8-digits composite number following 20921470 and preceding 20921472. In scientific notation, it is written as 2.0921471 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20844000 positive integers (up to 20921471) that are relatively prime to 20921471.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921471 × 10^7
Engineering notation 2.0921471 × 10^6

Prime Factorization of 20921471

Prime Factorization 271 × 77201

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921471
Product of the distinct prime numbers

The prime factorization of 20921471 is 271 × 77201. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921471)

Multiplication

n×y
n×2 41842942
n×3 62764413
n×4 83685884
n×5 104607355

Division

n÷y
n÷2 10460735.5
n÷3 6973823.6666667
n÷3 5230367.75
n÷5 4184294.2

Exponentiation

ny
n2 437707948803841
n3 9.157494157369E+21
n4 1.9158824844607E+29
n5 4.0083079838052E+36

Nth Root

y√n
2√n 4573.9994534324
3√n 275.54809037061
4√n 67.631349634858
5√n 29.115110542476

Divisors of 20921471

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 -20921470
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 20921471 can be divided by 4 positive divisors. The sum of these divisors (counting 20921471) is 1, the average is 0.25.

Base conversion 20921471

Base System Value
2 Binary 1001111110011110001111111
3 Ternary 1110100220212022
4 Quaternary 1033303301333
5 Quinary 20323441341
6 Senary 2024230355
8 Octal 117636177
10 Decimal 20921471
12 Duodecimal 700b3bb
16 Hexadecimal 13f3c7f
20 Vigesimal 6af3db
36 Base36 cgf3z

Cryptographic Hash Functions

md5 20377f9e76dceebc1766f1f0211b38e9
sha1 a6d83f967a5b27153f5a1746ea4b00985beb8000
sha256 cb1b479955603cc5efe3322b470c373baf96fd9c6e6d3f0060c51f4f104491c3
sha512 cfc9899862f2960b016f5dce96f041fa6cb025318d6c0a1ac6296e8513056c4e1e845a74584b31fe5d46eda593471dc88306cd2adb26e3152bc8abe55619456c
ripemd-160 064776fb134b1fcb365709d85f1b46181f4d51e5

20921471 as geometric shapes

Circle

Radius = n
Diameter 41842942
Circumference 131453479.19178
Area 1.37510007638E+15

Sphere

Radius = n
Volume 3.8358821826776E+22
Surface area 5.50040030552E+15
Circumference 131453479.19178

Square

Length = n
Perimeter 83685884
Area 437707948803841
Diagonal 29587428.032995

Cube

Length = n
Surface area 2626247692823046
Volume 9.157494157369E+21
Space diagonal 36237050.741079

Equilateral Triangle

Length = n
Perimeter 62764413
Area 1.8953310155125E+14
Altitude 18118525.370539

Triangular Pyramid

Length = n
Surface area 1.8953310155125E+14
Volume 1.0792210362253E+21
Height 9862476.0109985