20172721 (number)

20172721 is an odd 8-digits composite number following 20172720 and preceding 20172722. In scientific notation, it is written as 2.0172721 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20163700 positive integers (up to 20172721) that are relatively prime to 20172721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0172721 × 10^7
Engineering notation 2.0172721 × 10^6

Prime Factorization of 20172721

Prime Factorization 4091 × 4931

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20172721
Product of the distinct prime numbers

The prime factorization of 20172721 is 4091 × 4931. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20172721)

Multiplication

n×y
n×2 40345442
n×3 60518163
n×4 80690884
n×5 100863605

Division

n÷y
n÷2 10086360.5
n÷3 6724240.3333333
n÷3 5043180.25
n÷5 4034544.2

Exponentiation

ny
n2 406938672543841
n3 8.2090603053373E+21
n4 1.6559908321174E+29
n5 3.3405841034863E+36

Nth Root

y√n
2√n 4491.4052366715
3√n 272.22091787673
4√n 67.017947123673
5√n 28.903663761301

Divisors of 20172721

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 -20172720
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 20172721 can be divided by 4 positive divisors. The sum of these divisors (counting 20172721) is 1, the average is 0.25.

Base conversion 20172721

Base System Value
2 Binary 1001100111100111110110001
3 Ternary 1101221212202211
4 Quaternary 1030330332301
5 Quinary 20131011341
6 Senary 2000212121
8 Octal 114747661
10 Decimal 20172721
12 Duodecimal 690a041
16 Hexadecimal 133cfb1
20 Vigesimal 661bg1
36 Base36 c0ddd

Cryptographic Hash Functions

md5 f8fdf6ef9364807df005d162c5d4c11d
sha1 c61c51e3b75f8efef0b91a9ad9c27cea30325b14
sha256 4ff24a8341084111eb4f5f00e985487edc0be641ea8761deacf2e51e5dfbc1c5
sha512 5eec2e81352b5483bdaeba662a91e86ca9debdb605b698c056640712e9cfb091314c054e7791b8b964c55b65dac93d7b372c39bb0bfee478c71647e7d8125f7c
ripemd-160 017907ea18ad5149dd0fd251043d64d2be909c20

20172721 as geometric shapes

Circle

Radius = n
Diameter 40345442
Circumference 126748944.19303
Area 1.2784355441253E+15

Sphere

Radius = n
Volume 3.4386031397498E+22
Surface area 5.1137421765013E+15
Circumference 126748944.19303

Square

Length = n
Perimeter 80690884
Area 406938672543841
Diagonal 28528535.628169

Cube

Length = n
Surface area 2441632035263046
Volume 8.2090603053373E+21
Space diagonal 34940177.698912

Equilateral Triangle

Length = n
Perimeter 60518163
Area 1.7620961410264E+14
Altitude 17470088.849456

Triangular Pyramid

Length = n
Surface area 1.7620961410264E+14
Volume 9.6744703484555E+20
Height 9509511.8760562