20731649 (number)

20731649 is an odd 8-digits composite number following 20731648 and preceding 20731650. In scientific notation, it is written as 2.0731649 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20718036 positive integers (up to 20731649) that are relatively prime to 20731649.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand six hundred forty-nine

Notation

Scientific notation 2.0731649 × 10^7
Engineering notation 2.0731649 × 10^6

Prime Factorization of 20731649

Prime Factorization 1747 × 11867

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20731649
Product of the distinct prime numbers

The prime factorization of 20731649 is 1747 × 11867. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731649)

Multiplication

n×y
n×2 41463298
n×3 62194947
n×4 82926596
n×5 103658245

Division

n÷y
n÷2 10365824.5
n÷3 6910549.6666667
n÷3 5182912.25
n÷5 4146329.8

Exponentiation

ny
n2 429801270259201
n3 8.9104890747679E+21
n4 1.8472913191642E+29
n5 3.829739522966E+36

Nth Root

y√n
2√n 4553.2020600891
3√n 274.71220139154
4√n 67.477418890242
5√n 29.062085054756

Divisors of 20731649

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 -20731648
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 20731649 can be divided by 4 positive divisors. The sum of these divisors (counting 20731649) is 1, the average is 0.25.

Base conversion 20731649

Base System Value
2 Binary 1001111000101011100000001
3 Ternary 1110000021110212
4 Quaternary 1033011130001
5 Quinary 20301403044
6 Senary 2020203505
8 Octal 117053401
10 Decimal 20731649
12 Duodecimal 6b39595
16 Hexadecimal 13c5701
20 Vigesimal 69b929
36 Base36 cccn5

Cryptographic Hash Functions

md5 a1c17191d2ba3624d5587ef211a5b00e
sha1 8c71ba818b14ce70b2dc8578bc75d8706d016fed
sha256 e1dd47af1c718171e2adb2672e7fc709e48a194c31f95c368bb10ac09274e921
sha512 cccac3f6caec341919d4134421d6615c6bd0815d6429a524425db216266271d6be0aed6a0cdd420591ccd0eebe28a175da54f555e41c46c0c2bc391020016cfa
ripemd-160 317e8c7637e31287541e37ff90a4ce98eb3b005a

20731649 as geometric shapes

Circle

Radius = n
Diameter 41463298
Circumference 130260792.3904
Area 1.3502605131499E+15

Sphere

Radius = n
Volume 3.7324169356244E+22
Surface area 5.4010420525995E+15
Circumference 130260792.3904

Square

Length = n
Perimeter 82926596
Area 429801270259201
Diagonal 29318979.186159

Cube

Length = n
Surface area 2578807621555206
Volume 8.9104890747679E+21
Space diagonal 35908269.392685

Equilateral Triangle

Length = n
Perimeter 62194947
Area 1.8610940931164E+14
Altitude 17954134.696342

Triangular Pyramid

Length = n
Surface area 1.8610940931164E+14
Volume 1.0501112080762E+21
Height 9772993.0620529