20718906 (number)

20718906 is an even 8-digits composite number following 20718905 and preceding 20718907. In scientific notation, it is written as 2.0718906 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 6097344 positive integers (up to 20718906) that are relatively prime to 20718906.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighteen thousand nine hundred six

Notation

Scientific notation 2.0718906 × 10^7
Engineering notation 2.0718906 × 10^6

Prime Factorization of 20718906

Prime Factorization 2 × 69 × 13 × 11549

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20718906
Product of the distinct prime numbers

The prime factorization of 20718906 is 2 × 69 × 13 × 11549. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20718906)

Multiplication

n×y
n×2 41437812
n×3 62156718
n×4 82875624
n×5 103594530

Division

n÷y
n÷2 10359453
n÷3 6906302
n÷3 5179726.5
n÷5 4143781.2

Exponentiation

ny
n2 429273065836836
n3 8.8940682994052E+21
n4 1.8427536505296E+29
n5 3.8179839666479E+36

Nth Root

y√n
2√n 4551.8025001092
3√n 274.6559046144
4√n 67.467047512909
5√n 29.058511492066

Divisors of 20718906

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20718905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20718906 can be divided by 16 positive divisors. The sum of these divisors (counting 20718906) is 1, the average is 0.0625.

Base conversion 20718906

Base System Value
2 Binary 1001111000010010100111010
3 Ternary 1102222121222220
4 Quaternary 1033002110322
5 Quinary 20301001111
6 Senary 2020024510
8 Octal 117022472
10 Decimal 20718906
12 Duodecimal 6b32136
16 Hexadecimal 13c253a
20 Vigesimal 699h56
36 Base36 cc2t6

Cryptographic Hash Functions

md5 ad7804be05a9adeee44688e6a57b0d17
sha1 e32322f5ab5ec63e46021d994823a3af51d6cf74
sha256 d949c583202bee96568e0d5c4b405a76444247bdf1de36dd303917756e6aa668
sha512 7afb40fc195dd0c39434bf8a7a9735979ac668b5589e5e41b31c1e26275bffa2b8a88decf1eb229e60ecf35150324caf0e95f369fd7174dc3a838b34dfa90b53
ripemd-160 2e268a375aadc8052b8c28c2318d17329b3c7dd6

20718906 as geometric shapes

Circle

Radius = n
Diameter 41437812
Circumference 130180725.76003
Area 1.348601110017E+15

Sphere

Radius = n
Volume 3.725538617325E+22
Surface area 5.3944044400679E+15
Circumference 130180725.76003

Square

Length = n
Perimeter 82875624
Area 429273065836836
Diagonal 29300957.862733

Cube

Length = n
Surface area 2575638395021016
Volume 8.8940682994052E+21
Space diagonal 35886197.869244

Equilateral Triangle

Length = n
Perimeter 62156718
Area 1.8588069008756E+14
Altitude 17943098.934622

Triangular Pyramid

Length = n
Surface area 1.8588069008756E+14
Volume 1.048176001141E+21
Height 9766985.9542444