20872912 (number)

20872912 is an even 8-digits composite number following 20872911 and preceding 20872913. In scientific notation, it is written as 2.0872912 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors. There are 10280160 positive integers (up to 20872912) that are relatively prime to 20872912.

Interesting facts

Basic properties

Name

Name twenty million eight hundred seventy-two thousand nine hundred twelve

Notation

Scientific notation 2.0872912 × 10^7
Engineering notation 2.0872912 × 10^6

Prime Factorization of 20872912

Prime Factorization 2 × 2 × 2 × 2 × 67 × 19471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2609114
Product of the distinct prime numbers

The prime factorization of 20872912 is 2 × 2 × 2 × 2 × 67 × 19471. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20872912)

Multiplication

n×y
n×2 41745824
n×3 62618736
n×4 83491648
n×5 104364560

Division

n÷y
n÷2 10436456
n÷3 6957637.3333333
n÷3 5218228
n÷5 4174582.4

Exponentiation

ny
n2 435678455359744
n3 9.0938780590199E+21
n4 1.8981571646465E+29
n5 3.9620067459836E+36

Nth Root

y√n
2√n 4568.6882143565
3√n 275.33474168417
4√n 67.592072126519
5√n 29.101582668997

Divisors of 20872912

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20872911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20872912 can be divided by 20 positive divisors. The sum of these divisors (counting 20872912) is 1, the average is 0.05.

Base conversion 20872912

Base System Value
2 Binary 1001111100111111011010000
3 Ternary 1110021110020211
4 Quaternary 1033213323100
5 Quinary 20320413122
6 Senary 2023213504
8 Octal 117477320
10 Decimal 20872912
12 Duodecimal 6ba7294
16 Hexadecimal 13e7ed0
20 Vigesimal 6a925c
36 Base36 cfdn4

Cryptographic Hash Functions

md5 435622d53988542cd447157960d2c84b
sha1 5983d79951f566e4f812f16128a6dba002c0c7d9
sha256 70a046f0d1475d5239a657c55b125ee9c37bcbb50988ab6838c7e9de1924f497
sha512 1d676063b41ac3b0d295566326397b0b52f5e44d07ffd628488499e8865a4b1bbe645df1316b35535356ed0681b7ca63ef627d840b81fa98fda456c4633edc01
ripemd-160 d246d71537dfed7d2559c70df3a651c07204fa42

20872912 as geometric shapes

Circle

Radius = n
Diameter 41745824
Circumference 131148373.99645
Area 1.3687242346855E+15

Sphere

Radius = n
Volume 3.8092347337144E+22
Surface area 5.4748969387421E+15
Circumference 131148373.99645

Square

Length = n
Perimeter 83491648
Area 435678455359744
Diagonal 29518755.23662

Cube

Length = n
Surface area 2614070732158464
Volume 9.0938780590199E+21
Space diagonal 36152944.085914

Equilateral Triangle

Length = n
Perimeter 62618736
Area 1.8865430511155E+14
Altitude 18076472.042957

Triangular Pyramid

Length = n
Surface area 1.8865430511155E+14
Volume 1.0717238071361E+21
Height 9839585.0788734