20642605 (number)

20642605 is an odd 8-digits composite number following 20642604 and preceding 20642606. In scientific notation, it is written as 2.0642605 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 16514080 positive integers (up to 20642605) that are relatively prime to 20642605.

Interesting facts

Basic properties

Name

Name twenty million six hundred forty-two thousand six hundred five

Notation

Scientific notation 2.0642605 × 10^7
Engineering notation 2.0642605 × 10^6

Prime Factorization of 20642605

Prime Factorization 5 × 4128521

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20642605
Product of the distinct prime numbers

The prime factorization of 20642605 is 5 × 4128521. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20642605)

Multiplication

n×y
n×2 41285210
n×3 61927815
n×4 82570420
n×5 103213025

Division

n÷y
n÷2 10321302.5
n÷3 6880868.3333333
n÷3 5160651.25
n÷5 4128521

Exponentiation

ny
n2 426117141186025
n3 8.7961678292323E+21
n4 1.8157581801255E+29
n5 3.748197888785E+36

Nth Root

y√n
2√n 4543.4133644211
3√n 274.3183337296
4√n 67.404846742805
5√n 29.037077283116

Divisors of 20642605

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 -20642604
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 20642605 can be divided by 4 positive divisors. The sum of these divisors (counting 20642605) is 1, the average is 0.25.

Base conversion 20642605

Base System Value
2 Binary 1001110101111101100101101
3 Ternary 1102211202022221
4 Quaternary 1032233230231
5 Quinary 20241030410
6 Senary 2014235341
8 Octal 116575455
10 Decimal 20642605
12 Duodecimal 6ab5b51
16 Hexadecimal 13afb2d
20 Vigesimal 6906a5
36 Base36 cafxp

Cryptographic Hash Functions

md5 9c2e8c5e2e18413a620b01600bce73a8
sha1 a3d97114cc3683822436ff92fe91d0274bc3de03
sha256 f1624934376ff5fe0e420b0b0bcef4741147406286191152a7c58989d11aa780
sha512 f01d3e843d8a3308ad045cb7631cfb4143dc3c2dbf50326d975300c4e1ca97b7213c728bc839c152695b2ea31c10928e63e6a30d634eead344e423b793335bde
ripemd-160 396014a03440ce626c6c260e34c893c8a2d5a245

20642605 as geometric shapes

Circle

Radius = n
Diameter 41285210
Circumference 129701312.43791
Area 1.3386864803187E+15

Sphere

Radius = n
Volume 3.6845301642746E+22
Surface area 5.3547459212748E+15
Circumference 129701312.43791

Square

Length = n
Perimeter 82570420
Area 426117141186025
Diagonal 29193051.953711

Cube

Length = n
Surface area 2556702847116150
Volume 8.7961678292323E+21
Space diagonal 35754040.660575

Equilateral Triangle

Length = n
Perimeter 61927815
Area 1.8451413462755E+14
Altitude 17877020.330288

Triangular Pyramid

Length = n
Surface area 1.8451413462755E+14
Volume 1.0366383200842E+21
Height 9731017.3179036