20771921 (number)

20771921 is an odd 8-digits composite number following 20771920 and preceding 20771922. In scientific notation, it is written as 2.0771921 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 18822672 positive integers (up to 20771921) that are relatively prime to 20771921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0771921 × 10^7
Engineering notation 2.0771921 × 10^6

Prime Factorization of 20771921

Prime Factorization 23 × 19 × 47533

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20771921
Product of the distinct prime numbers

The prime factorization of 20771921 is 23 × 19 × 47533. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20771921)

Multiplication

n×y
n×2 41543842
n×3 62315763
n×4 83087684
n×5 103859605

Division

n÷y
n÷2 10385960.5
n÷3 6923973.6666667
n÷3 5192980.25
n÷5 4154384.2

Exponentiation

ny
n2 431472702030241
n3 8.9625168802287E+21
n4 1.8616869259728E+29
n5 3.8670813753039E+36

Nth Root

y√n
2√n 4557.6222967683
3√n 274.88996589594
4√n 67.510164395951
5√n 29.073367128254

Divisors of 20771921

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 -20771920
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 20771921 can be divided by 8 positive divisors. The sum of these divisors (counting 20771921) is 1, the average is 0.125.

Base conversion 20771921

Base System Value
2 Binary 1001111001111010001010001
3 Ternary 1110002022201102
4 Quaternary 1033033101101
5 Quinary 20304200141
6 Senary 2021114145
8 Octal 117172121
10 Decimal 20771921
12 Duodecimal 6b58955
16 Hexadecimal 13cf451
20 Vigesimal 69g9g1
36 Base36 cd7pt

Cryptographic Hash Functions

md5 b1e4a087f44619b52d541dfc43936bff
sha1 c36d202b9c14611c9027b395cf1048ec4d2c2829
sha256 882b597a0ddab54695a48d669d6b1a76c8e5497eda01cb4fbedafd16c00fecc6
sha512 29c71f76f76de1e61521a34c132dceaf74620a8a8e584f5b334f8e4e7244387f70e5081dcbbba435b29d158c961b90ce3f6a3dfe3565da7c328cbc01002906a6
ripemd-160 3fca6496e57ce084f265436633692614e6534e75

20771921 as geometric shapes

Circle

Radius = n
Diameter 41543842
Circumference 130513828.8291
Area 1.3555114709227E+15

Sphere

Radius = n
Volume 3.7542102918135E+22
Surface area 5.422045883691E+15
Circumference 130513828.8291

Square

Length = n
Perimeter 83087684
Area 431472702030241
Diagonal 29375932.394743

Cube

Length = n
Surface area 2588836212181446
Volume 8.9625168802287E+21
Space diagonal 35978022.542807

Equilateral Triangle

Length = n
Perimeter 62315763
Area 1.8683316049885E+14
Altitude 17989011.271403

Triangular Pyramid

Length = n
Surface area 1.8683316049885E+14
Volume 1.0562427437514E+21
Height 9791977.4649142