20971421 (number)

20971421 is an odd 8-digits composite number following 20971420 and preceding 20971422. In scientific notation, it is written as 2.0971421 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 18698688 positive integers (up to 20971421) that are relatively prime to 20971421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0971421 × 10^7
Engineering notation 2.0971421 × 10^6

Prime Factorization of 20971421

Prime Factorization 17 × 19 × 64927

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20971421
Product of the distinct prime numbers

The prime factorization of 20971421 is 17 × 19 × 64927. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20971421)

Multiplication

n×y
n×2 41942842
n×3 62914263
n×4 83885684
n×5 104857105

Division

n÷y
n÷2 10485710.5
n÷3 6990473.6666667
n÷3 5242855.25
n÷5 4194284.2

Exponentiation

ny
n2 439800498759241
n3 9.22324141549E+21
n4 1.9342447870888E+29
n5 4.0563861747094E+36

Nth Root

y√n
2√n 4579.4564087891
3√n 275.76720638575
4√n 67.67168099574
5√n 29.128999746556

Divisors of 20971421

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 -20971420
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 20971421 can be divided by 8 positive divisors. The sum of these divisors (counting 20971421) is 1, the average is 0.125.

Base conversion 20971421

Base System Value
2 Binary 1001111111111111110011101
3 Ternary 1110110110101022
4 Quaternary 1033333332131
5 Quinary 20332041141
6 Senary 2025253525
8 Octal 117777635
10 Decimal 20971421
12 Duodecimal 70342a5
16 Hexadecimal 13fff9d
20 Vigesimal 6b18b1
36 Base36 chhnh

Cryptographic Hash Functions

md5 93c1d5ddec624fc85a568affb0a4c31a
sha1 09efc7051686cd64bf3493540b96e64e006fb77f
sha256 f5228d3092687d99637897276b9b085a8db3246d4011f50f91b3b63b16339666
sha512 2b69c94958b1699248aea55aaeb111e46a1e55eb80f81a591bcb2aac1720e68604bc26d4827afa4a1b887aeb89108e6014fa98d563f2c028bee3122ac531009c
ripemd-160 edea85f317e94eeab412692053f67a68fd06a503

20971421 as geometric shapes

Circle

Radius = n
Diameter 41942842
Circumference 131767324.29788
Area 1.3816740159472E+15

Sphere

Radius = n
Volume 3.8634223297585E+22
Surface area 5.5266960637886E+15
Circumference 131767324.29788

Square

Length = n
Perimeter 83885684
Area 439800498759241
Diagonal 29658068.000436

Cube

Length = n
Surface area 2638802992555446
Volume 9.22324141549E+21
Space diagonal 36323566.678917

Equilateral Triangle

Length = n
Perimeter 62914263
Area 1.9043920226128E+14
Altitude 18161783.339458

Triangular Pyramid

Length = n
Surface area 1.9043920226128E+14
Volume 1.0869694249023E+21
Height 9886022.666812