20872009 (number)

20872009 is an odd 8-digits composite number following 20872008 and preceding 20872010. In scientific notation, it is written as 2.0872009 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20803716 positive integers (up to 20872009) that are relatively prime to 20872009.

Interesting facts

Basic properties

Name

Name twenty million eight hundred seventy-two thousand nine

Notation

Scientific notation 2.0872009 × 10^7
Engineering notation 2.0872009 × 10^6

Prime Factorization of 20872009

Prime Factorization 307 × 67987

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20872009
Product of the distinct prime numbers

The prime factorization of 20872009 is 307 × 67987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20872009)

Multiplication

n×y
n×2 41744018
n×3 62616027
n×4 83488036
n×5 104360045

Division

n÷y
n÷2 10436004.5
n÷3 6957336.3333333
n÷3 5218002.25
n÷5 4174401.8

Exponentiation

ny
n2 435640759696081
n3 9.0926978571434E+21
n4 1.8978287150858E+29
n5 3.9611498021729E+36

Nth Root

y√n
2√n 4568.5893884218
3√n 275.33077113361
4√n 67.591341075775
5√n 29.101330867199

Divisors of 20872009

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 -20872008
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 20872009 can be divided by 4 positive divisors. The sum of these divisors (counting 20872009) is 1, the average is 0.25.

Base conversion 20872009

Base System Value
2 Binary 1001111100111101101001001
3 Ternary 1110021102000101
4 Quaternary 1033213231021
5 Quinary 20320401014
6 Senary 2023205401
8 Octal 117475511
10 Decimal 20872009
12 Duodecimal 6ba6861
16 Hexadecimal 13e7b49
20 Vigesimal 6a9009
36 Base36 cfcy1

Cryptographic Hash Functions

md5 41c245dc7a3b2e49bb1c193b8b5b7dfa
sha1 8324fc721603a5f4343f756cb59710cde4e0e8dc
sha256 2e1512ca16c8de3b1fb21cdce83370c00e434441b7cb3fa7cbf73dc2a7e1fbf3
sha512 d44e24ac1eb65a7fe24ff7a9d6c26a816447e7c080bc8b0665f6f671d743a51e8e61353d2c784a49a944c5336a43c0c4e1bafb7e39e35c2a0451b2e4538d9cbf
ripemd-160 250ce9ffa50ad1b777cdc4ddb061fcdbcd8c2f2e

20872009 as geometric shapes

Circle

Radius = n
Diameter 41744018
Circumference 131142700.28012
Area 1.3686058102655E+15

Sphere

Radius = n
Volume 3.8087403719085E+22
Surface area 5.4744232410619E+15
Circumference 131142700.28012

Square

Length = n
Perimeter 83488036
Area 435640759696081
Diagonal 29517478.201773

Cube

Length = n
Surface area 2613844558176486
Volume 9.0926978571434E+21
Space diagonal 36151380.044035

Equilateral Triangle

Length = n
Perimeter 62616027
Area 1.8863798241038E+14
Altitude 18075690.022017

Triangular Pyramid

Length = n
Surface area 1.8863798241038E+14
Volume 1.0715847190111E+21
Height 9839159.4005911