20105665 (number)

20105665 is an odd 8-digits composite number following 20105664 and preceding 20105666. In scientific notation, it is written as 2.0105665 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16055040 positive integers (up to 20105665) that are relatively prime to 20105665.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand six hundred sixty-five

Notation

Scientific notation 2.0105665 × 10^7
Engineering notation 2.0105665 × 10^6

Prime Factorization of 20105665

Prime Factorization 5 × 593 × 6781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20105665
Product of the distinct prime numbers

The prime factorization of 20105665 is 5 × 593 × 6781. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105665)

Multiplication

n×y
n×2 40211330
n×3 60316995
n×4 80422660
n×5 100528325

Division

n÷y
n÷2 10052832.5
n÷3 6701888.3333333
n÷3 5026416.25
n÷5 4021133

Exponentiation

ny
n2 404237765092225
n3 8.127469085293E+21
n4 1.6340817072676E+29
n5 3.285429938895E+36

Nth Root

y√n
2√n 4483.9340985345
3√n 271.91895383079
4√n 66.962184093221
5√n 28.884422467238

Divisors of 20105665

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20105664
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20105665 can be divided by 8 positive divisors. The sum of these divisors (counting 20105665) is 1, the average is 0.125.

Base conversion 20105665

Base System Value
2 Binary 1001100101100100111000001
3 Ternary 1101211110210021
4 Quaternary 1030230213001
5 Quinary 20121340130
6 Senary 1554533441
8 Octal 114544701
10 Decimal 20105665
12 Duodecimal 6897281
16 Hexadecimal 132c9c1
20 Vigesimal 65d435
36 Base36 byxmp

Cryptographic Hash Functions

md5 e7f576ebed83e90b09fa9a99fec09f7e
sha1 1501ac83e2ad6eed4d600f72ed1c664e27735c24
sha256 1927efb9bf88e43999ef8d5ae6722d070b7322c9b2716e0a52451db6169bc882
sha512 294d013e911cb5a7d6888e0e6a1ea2d3cd4e72b37b82ecd9e2d03d1a308e777a24c7c427bc76e037ad9a7cf49c0687a0d5cbadd3d9c03cc936bf6cd3cff1e805
ripemd-160 da8272d89a49d90e6fc4d0072daa2deb9f720a13

20105665 as geometric shapes

Circle

Radius = n
Diameter 40211330
Circumference 126327618.91907
Area 1.2699503931173E+15

Sphere

Radius = n
Volume 3.4044262894179E+22
Surface area 5.0798015724692E+15
Circumference 126327618.91907

Square

Length = n
Perimeter 80422660
Area 404237765092225
Diagonal 28433704.12353

Cube

Length = n
Surface area 2425426590553350
Volume 8.127469085293E+21
Space diagonal 34824033.299959

Equilateral Triangle

Length = n
Perimeter 60316995
Area 1.7504008686946E+14
Altitude 17412016.64998

Triangular Pyramid

Length = n
Surface area 1.7504008686946E+14
Volume 9.5783141734911E+20
Height 9477901.37451