20809740 (number)

20809740 is an even 8-digits composite number following 20809739 and preceding 20809741. In scientific notation, it is written as 2.0809740 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 48 positive divisors. There are 4756416 positive integers (up to 20809740) that are relatively prime to 20809740.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand seven hundred forty

Notation

Scientific notation 2.0809740 × 10^7
Engineering notation 2.0809740 × 10^6

Prime Factorization of 20809740

Prime Factorization 2 × 2 × 3 × 5 × 7 × 49547

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10404870
Product of the distinct prime numbers

The prime factorization of 20809740 is 2 × 2 × 3 × 5 × 7 × 49547. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809740)

Multiplication

n×y
n×2 41619480
n×3 62429220
n×4 83238960
n×5 104048700

Division

n÷y
n÷2 10404870
n÷3 6936580
n÷3 5202435
n÷5 4161948

Exponentiation

ny
n2 433045278867600
n3 9.0115596614623E+21
n4 1.8752821354952E+29
n5 3.9024133666299E+36

Nth Root

y√n
2√n 4561.7693935577
3√n 275.05669354551
4√n 67.540872022485
5√n 29.083946080405

Divisors of 20809740

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809739
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809740 can be divided by 48 positive divisors. The sum of these divisors (counting 20809740) is 1, the average is 0.020833333333333.

Base conversion 20809740

Base System Value
2 Binary 1001111011000100000001100
3 Ternary 1110011020121010
4 Quaternary 1033120200030
5 Quinary 20311402430
6 Senary 2022005220
8 Octal 117304014
10 Decimal 20809740
12 Duodecimal 6b76810
16 Hexadecimal 13d880c
20 Vigesimal 6a1470
36 Base36 ce0wc

Cryptographic Hash Functions

md5 8637656de9f1cce2f0de6f64625515cb
sha1 83927cba1a26e25b29b1e0a8d9855081ceb5c46d
sha256 40d9ee0845e24411898c710e6676fd3af126c4c34706df114a3e4b17a5505d85
sha512 d3b6e7cb1d90c9da4994ce098461a1ad759b0e7f4a178343b3df71aeb4de5da2f746fa1afb0b41c5f820a1b83cde1bf061032ef8010caf893816c64fb77c718a
ripemd-160 eb300e241b4c9a6d50d4ae854f509b027ac5b015

20809740 as geometric shapes

Circle

Radius = n
Diameter 41619480
Circumference 130751452.61423
Area 1.3604518667622E+15

Sphere

Radius = n
Volume 3.7747532839781E+22
Surface area 5.4418074670488E+15
Circumference 130751452.61423

Square

Length = n
Perimeter 83238960
Area 433045278867600
Diagonal 29429416.537458

Cube

Length = n
Surface area 2598271673205600
Volume 9.0115596614623E+21
Space diagonal 36043526.972298

Equilateral Triangle

Length = n
Perimeter 62429220
Area 1.8751410624413E+14
Altitude 18021763.486149

Triangular Pyramid

Length = n
Surface area 1.8751410624413E+14
Volume 1.0620224909479E+21
Height 9809805.512486