20731621 (number)

20731621 is an odd 8-digits composite number following 20731620 and preceding 20731622. In scientific notation, it is written as 2.0731621 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20627244 positive integers (up to 20731621) that are relatively prime to 20731621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731621 × 10^7
Engineering notation 2.0731621 × 10^6

Prime Factorization of 20731621

Prime Factorization 199 × 104179

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20731621
Product of the distinct prime numbers

The prime factorization of 20731621 is 199 × 104179. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731621)

Multiplication

n×y
n×2 41463242
n×3 62194863
n×4 82926484
n×5 103658105

Division

n÷y
n÷2 10365810.5
n÷3 6910540.3333333
n÷3 5182905.25
n÷5 4146324.2

Exponentiation

ny
n2 429800109287641
n3 8.91045297151E+21
n4 1.8472813394367E+29
n5 3.8297136609574E+36

Nth Root

y√n
2√n 4553.1989853289
3√n 274.71207771678
4√n 67.477396106614
5√n 29.062077204548

Divisors of 20731621

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 -20731620
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 20731621 can be divided by 4 positive divisors. The sum of these divisors (counting 20731621) is 1, the average is 0.25.

Base conversion 20731621

Base System Value
2 Binary 1001111000101011011100101
3 Ternary 1110000021102211
4 Quaternary 1033011123211
5 Quinary 20301402441
6 Senary 2020203421
8 Octal 117053345
10 Decimal 20731621
12 Duodecimal 6b39571
16 Hexadecimal 13c56e5
20 Vigesimal 69b911
36 Base36 cccmd

Cryptographic Hash Functions

md5 4bd892a99c4f677bece70d7c6d6493f8
sha1 c53674aab97bd2ab15185a5e99099f65210bcbe5
sha256 a41089df58211b159b3457cc752de084dd3b50d86206bea0bb3540d60b105172
sha512 6438a2759ce2a6885dfb9735b9690893830cb3a3193bb27bd50b340e72f87480a284e222c421e87703174ede65f4507f346fa231bb3352f695964158261be5b1
ripemd-160 0ef243d8de50a99fc573ab8a82ee0a7897102a72

20731621 as geometric shapes

Circle

Radius = n
Diameter 41463242
Circumference 130260616.46122
Area 1.3502568658501E+15

Sphere

Radius = n
Volume 3.7324018127271E+22
Surface area 5.4010274634006E+15
Circumference 130260616.46122

Square

Length = n
Perimeter 82926484
Area 429800109287641
Diagonal 29318939.588179

Cube

Length = n
Surface area 2578800655725846
Volume 8.91045297151E+21
Space diagonal 35908220.895262

Equilateral Triangle

Length = n
Perimeter 62194863
Area 1.8610890659621E+14
Altitude 17954110.447631

Triangular Pyramid

Length = n
Surface area 1.8610890659621E+14
Volume 1.0501069532664E+21
Height 9772979.8627263