20921709 (number)

20921709 is an odd 8-digits composite number following 20921708 and preceding 20921710. In scientific notation, it is written as 2.0921709 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13929920 positive integers (up to 20921709) that are relatively prime to 20921709.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand seven hundred nine

Notation

Scientific notation 2.0921709 × 10^7
Engineering notation 2.0921709 × 10^6

Prime Factorization of 20921709

Prime Factorization 3 × 863 × 8081

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921709
Product of the distinct prime numbers

The prime factorization of 20921709 is 3 × 863 × 8081. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921709)

Multiplication

n×y
n×2 41843418
n×3 62765127
n×4 83686836
n×5 104608545

Division

n÷y
n÷2 10460854.5
n÷3 6973903
n÷3 5230427.25
n÷5 4184341.8

Exponentiation

ny
n2 437717907480681
n3 9.1578066843997E+21
n4 1.9159696652927E+29
n5 4.008535979008E+36

Nth Root

y√n
2√n 4574.0254699772
3√n 275.54913523335
4√n 67.631541975451
5√n 29.115176784136

Divisors of 20921709

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 -20921708
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 20921709 can be divided by 8 positive divisors. The sum of these divisors (counting 20921709) is 1, the average is 0.125.

Base conversion 20921709

Base System Value
2 Binary 1001111110011110101101101
3 Ternary 1110100221012010
4 Quaternary 1033303311231
5 Quinary 20323443314
6 Senary 2024231433
8 Octal 117636555
10 Decimal 20921709
12 Duodecimal 700b579
16 Hexadecimal 13f3d6d
20 Vigesimal 6af459
36 Base36 cgfal

Cryptographic Hash Functions

md5 cd7c03d13cc21a34f5245518835ec175
sha1 792ae751e7f6e7aeb3da0a9fce6a5c506607899d
sha256 ebc180994d1e85a50db653799d9207af01c79b238aef9888c8c89075cd111564
sha512 9ec09b3e695b385c566a6c58700b23dfece1d5b76a18e1bf0cee027c7288d8fbe320ef065064f7beac6c1aef0f32efa8beded7b707e2db839b7aff9da12463fb
ripemd-160 f6f6d6d7d2bc964784856a4a1d565c7b0e2708ee

20921709 as geometric shapes

Circle

Radius = n
Diameter 41843418
Circumference 131454974.58989
Area 1.375131362486E+15

Sphere

Radius = n
Volume 3.8360130936941E+22
Surface area 5.500525449944E+15
Circumference 131454974.58989

Square

Length = n
Perimeter 83686836
Area 437717907480681
Diagonal 29587764.615823

Cube

Length = n
Surface area 2626307444884086
Volume 9.1578066843997E+21
Space diagonal 36237462.969171

Equilateral Triangle

Length = n
Perimeter 62765127
Area 1.8953741378482E+14
Altitude 18118731.484586

Triangular Pyramid

Length = n
Surface area 1.8953741378482E+14
Volume 1.0792578678891E+21
Height 9862588.2052744