20809999 (number)

20809999 is an odd 8-digits composite number following 20809998 and preceding 20810000. In scientific notation, it is written as 2.0809999 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 17570520 positive integers (up to 20809999) that are relatively prime to 20809999.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand nine hundred ninety-nine

Notation

Scientific notation 2.0809999 × 10^7
Engineering notation 2.0809999 × 10^6

Prime Factorization of 20809999

Prime Factorization 7 × 67 × 44371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20809999
Product of the distinct prime numbers

The prime factorization of 20809999 is 7 × 67 × 44371. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809999)

Multiplication

n×y
n×2 41619998
n×3 62429997
n×4 83239996
n×5 104049995

Division

n÷y
n÷2 10404999.5
n÷3 6936666.3333333
n÷3 5202499.75
n÷5 4161999.8

Exponentiation

ny
n2 433056058380001
n3 9.0118961418318E+21
n4 1.8753754969962E+29
n5 3.9026562217116E+36

Nth Root

y√n
2√n 4561.7977815769
3√n 275.05783466802
4√n 67.541082176531
5√n 29.084018476355

Divisors of 20809999

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 -20809998
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 20809999 can be divided by 8 positive divisors. The sum of these divisors (counting 20809999) is 1, the average is 0.125.

Base conversion 20809999

Base System Value
2 Binary 1001111011000100100001111
3 Ternary 1110011020221201
4 Quaternary 1033120210033
5 Quinary 20311404444
6 Senary 2022010331
8 Octal 117304417
10 Decimal 20809999
12 Duodecimal 6b769a7
16 Hexadecimal 13d890f
20 Vigesimal 6a14jj
36 Base36 ce13j

Cryptographic Hash Functions

md5 4eed5564f05e0a38e7130452e4f34bd9
sha1 28af59f97886643f9626836ba19714cf90501b62
sha256 3c77b1eea4175f98136e6bd9d981be254300473609644ff77a55ba20a0a28a40
sha512 51b48a4e1ec52f9b6a53bbe757d8cba00776776ff1d9f871098036f200106186fab3347fed716f0538e15ecd3053ed3942d2d6c8f01c4f49836392a8ca1e2c96
ripemd-160 3e7d9cd8374f2716062ba5d5e69099ca1f0c8879

20809999 as geometric shapes

Circle

Radius = n
Diameter 41619998
Circumference 130753079.95922
Area 1.3604857315992E+15

Sphere

Radius = n
Volume 3.7748942285457E+22
Surface area 5.4419429263967E+15
Circumference 130753079.95922

Square

Length = n
Perimeter 83239996
Area 433056058380001
Diagonal 29429782.818771

Cube

Length = n
Surface area 2598336350280006
Volume 9.0118961418318E+21
Space diagonal 36043975.573458

Equilateral Triangle

Length = n
Perimeter 62429997
Area 1.8751877390992E+14
Altitude 18021987.786729

Triangular Pyramid

Length = n
Surface area 1.8751877390992E+14
Volume 1.0620621455397E+21
Height 9809927.6062569