20809980 (number)

20809980 is an even 8-digits composite number following 20809979 and preceding 20809981. In scientific notation, it is written as 2.0809980 × 10^7. The sum of its digits is 36. It has a total of 8 prime factors and 96 positive divisors. There are 5474304 positive integers (up to 20809980) that are relatively prime to 20809980.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand nine hundred eighty

Notation

Scientific notation 2.0809980 × 10^7
Engineering notation 2.0809980 × 10^6

Prime Factorization of 20809980

Prime Factorization 2 × 2 × 3 × 5 × 3 × 3 × 89 × 433

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1156110
Product of the distinct prime numbers

The prime factorization of 20809980 is 2 × 2 × 3 × 5 × 3 × 3 × 89 × 433. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809980)

Multiplication

n×y
n×2 41619960
n×3 62429940
n×4 83239920
n×5 104049900

Division

n÷y
n÷2 10404990
n÷3 6936660
n÷3 5202495
n÷5 4161996

Exponentiation

ny
n2 433055267600400
n3 9.011871457659E+21
n4 1.8753686479645E+29
n5 3.9026384056769E+36

Nth Root

y√n
2√n 4561.7956990641
3√n 275.05775095665
4√n 67.541066759892
5√n 29.08401316548

Divisors of 20809980

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809980 can be divided by 96 positive divisors. The sum of these divisors (counting 20809980) is 1, the average is 0.010416666666667.

Base conversion 20809980

Base System Value
2 Binary 1001111011000100011111100
3 Ternary 1110011020221000
4 Quaternary 1033120203330
5 Quinary 20311404410
6 Senary 2022010300
8 Octal 117304374
10 Decimal 20809980
12 Duodecimal 6b76990
16 Hexadecimal 13d88fc
20 Vigesimal 6a14j0
36 Base36 ce130

Cryptographic Hash Functions

md5 c2079275dbf56a41886b086b9a679354
sha1 17361d185a2904b6e9833a788fb47fbb1146a875
sha256 a5ef0ba21821cb2f4448f8a4a01a69f6df5216185a377388ac0165a9983dbdc4
sha512 82406281540150bf632f5b67f42e58b7a4140e7a3d0bd6f8541a0a6e5e40429a78a520ef8a40a14404938715e438951625b8288f6b45a647b6d0bddb846e4f12
ripemd-160 fd485f59eba3122b56088f93181a091811bcb0c0

20809980 as geometric shapes

Circle

Radius = n
Diameter 41619960
Circumference 130752960.5787
Area 1.3604832472918E+15

Sphere

Radius = n
Volume 3.7748838888636E+22
Surface area 5.4419329891671E+15
Circumference 130752960.5787

Square

Length = n
Perimeter 83239920
Area 433055267600400
Diagonal 29429755.948713

Cube

Length = n
Surface area 2598331605602400
Volume 9.011871457659E+21
Space diagonal 36043942.664492

Equilateral Triangle

Length = n
Perimeter 62429940
Area 1.8751843149231E+14
Altitude 18021971.332246

Triangular Pyramid

Length = n
Surface area 1.8751843149231E+14
Volume 1.062059236482E+21
Height 9809918.649571