20691421 (number)

20691421 is an odd 8-digits composite number following 20691420 and preceding 20691422. In scientific notation, it is written as 2.0691421 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19369680 positive integers (up to 20691421) that are relatively prime to 20691421.

Interesting facts

Basic properties

Name

Name twenty million six hundred ninety-one thousand four hundred twenty-one

Notation

Scientific notation 2.0691421 × 10^7
Engineering notation 2.0691421 × 10^6

Prime Factorization of 20691421

Prime Factorization 23 × 47 × 19141

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20691421
Product of the distinct prime numbers

The prime factorization of 20691421 is 23 × 47 × 19141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20691421)

Multiplication

n×y
n×2 41382842
n×3 62074263
n×4 82765684
n×5 103457105

Division

n÷y
n÷2 10345710.5
n÷3 6897140.3333333
n÷3 5172855.25
n÷5 4138284.2

Exponentiation

ny
n2 428134902999241
n3 8.8587195227515E+21
n4 1.8329949516617E+29
n5 3.7927270235707E+36

Nth Root

y√n
2√n 4548.7823645455
3√n 274.53440112629
4√n 67.444661497746
5√n 29.050797790164

Divisors of 20691421

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 -20691420
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 20691421 can be divided by 8 positive divisors. The sum of these divisors (counting 20691421) is 1, the average is 0.125.

Base conversion 20691421

Base System Value
2 Binary 1001110111011100111011101
3 Ternary 1102221020021221
4 Quaternary 1032323213131
5 Quinary 20244111141
6 Senary 2015253341
8 Octal 116734735
10 Decimal 20691421
12 Duodecimal 6b1a251
16 Hexadecimal 13bb9dd
20 Vigesimal 6968b1
36 Base36 cbhlp

Cryptographic Hash Functions

md5 bace3b38f81f4e63914679af925e2d82
sha1 5cc683521fc6eec60d21b3f7905ae84c3719c499
sha256 7e5e1f6f7c5ecae1bda17421d514f6c0af63158e34c628e04d5424dd3c6986e6
sha512 990add517704b4c3461cad5c0f9d6641a68d3dc811c82467ae0b3b3188c4d89462686527a9a93007b42941675dcf6d71f5cca86f508051c5832afd670694b79a
ripemd-160 1608c305ecf075457b39cc97ebd0a33597e4df9b

20691421 as geometric shapes

Circle

Radius = n
Diameter 41382842
Circumference 130008032.41187
Area 1.3450254660078E+15

Sphere

Radius = n
Volume 3.7107317563851E+22
Surface area 5.3801018640312E+15
Circumference 130008032.41187

Square

Length = n
Perimeter 82765684
Area 428134902999241
Diagonal 29262088.202971

Cube

Length = n
Surface area 2568809417995446
Volume 8.8587195227515E+21
Space diagonal 35838592.452798

Equilateral Triangle

Length = n
Perimeter 62074263
Area 1.8538785112206E+14
Altitude 17919296.226399

Triangular Pyramid

Length = n
Surface area 1.8538785112206E+14
Volume 1.0440101078612E+21
Height 9754029.4009905