20505972 (number)

20505972 is an even 8-digits composite number following 20505971 and preceding 20505973. In scientific notation, it is written as 2.0505972 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 6538048 positive integers (up to 20505972) that are relatively prime to 20505972.

Interesting facts

Basic properties

Name

Name twenty million five hundred five thousand nine hundred seventy-two

Notation

Scientific notation 2.0505972 × 10^7
Engineering notation 2.0505972 × 10^6

Prime Factorization of 20505972

Prime Factorization 2 × 2 × 3 × 23 × 74297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10252986
Product of the distinct prime numbers

The prime factorization of 20505972 is 2 × 2 × 3 × 23 × 74297. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 64, 73, 918, 749, 768, 1708, 9730, 29841, 712328, 368216, 3406840, 7496375, 83774041, 84434410, 964018214, 858113892, 1796597485, 8555527314

Basic calculations (n = 20505972)

Multiplication

n×y
n×2 41011944
n×3 61517916
n×4 82023888
n×5 102529860

Division

n÷y
n÷2 10252986
n÷3 6835324
n÷3 5126493
n÷5 4101194.4

Exponentiation

ny
n2 420494887664784
n3 8.6226563925972E+21
n4 1.7681595055222E+29
n5 3.6257829311772E+36

Nth Root

y√n
2√n 4528.3520181187
3√n 273.71175754852
4√n 67.293030977351
5√n 28.998535936142

Divisors of 20505972

1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 74297, 148594, 222891, 297188, 445782, 891564, 1708831, 3417662, 5126493, 6835324, 10252986, 20505972

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20505971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20505972 can be divided by 24 positive divisors. The sum of these divisors (counting 20505972) is 1, the average is 0.041666666666667.

Base conversion 20505972

Base System Value
2 Binary 1001110001110010101110100
3 Ternary 1102120210220110
4 Quaternary 1032032111310
5 Quinary 20222142342
6 Senary 2011303020
8 Octal 116162564
10 Decimal 20505972
12 Duodecimal 6a4aa70
16 Hexadecimal 138e574
20 Vigesimal 6834ic
36 Base36 c7iic

Cryptographic Hash Functions

md5 2d4c488a9b1bdccc76545e2a1a9d51d6
sha1 22b9101dafcf6b36d41b223fae0cb110b8721924
sha256 ebb65294c4e72f381926a1a70ebcdf45c330ec06d8ded4f1bea37c8a4c6d5d27
sha512 5737491bfd92ce3975ce5a5a9b911dec2af3ea22e8ec3ba74c82b453292625f0c202d1a3bfe1536d9f9e7c55356742269c8f7adb14637cb5a302bafa6817f37d
ripemd-160 838b6753b92c1ce82aea7d7c903828cc09a8372d

20505972 as geometric shapes

Circle

Radius = n
Diameter 41011944
Circumference 128842821.97984
Area 1.3210236499598E+15

Sphere

Radius = n
Volume 3.611849863655E+22
Surface area 5.284094599839E+15
Circumference 128842821.97984

Square

Length = n
Perimeter 82023888
Area 420494887664784
Diagonal 28999823.712043

Cube

Length = n
Surface area 2522969325988704
Volume 8.6226563925972E+21
Space diagonal 35517385.362585

Equilateral Triangle

Length = n
Perimeter 61517916
Area 1.8207962743959E+14
Altitude 17758692.681292

Triangular Pyramid

Length = n
Surface area 1.8207962743959E+14
Volume 1.0161898011745E+21
Height 9666607.9040143