208020809 (number)

208020809 is an odd 9-digits composite number following 208020808 and preceding 208020810. In scientific notation, it is written as 2.08020809 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 198796576 positive integers (up to 208020809) that are relatively prime to 208020809.

Interesting facts

Basic properties

Name

Name two hundred eight million twenty thousand eight hundred nine

Notation

Scientific notation 2.08020809 × 10^8
Engineering notation 2.08020809 × 10^6

Prime Factorization of 208020809

Prime Factorization 23 × 1319 × 6857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 208020809
Product of the distinct prime numbers

The prime factorization of 208020809 is 23 × 1319 × 6857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 55, 72, 497, 476, 7677, 2, 71652, 72296, 309725, 39707, 3257102, 976226, 25133665, 87640167, 149114732, 288080863, 5644661737, 1800827230

Basic calculations (n = 208020809)

Multiplication

n×y
n×2 416041618
n×3 624062427
n×4 832083236
n×5 1040104045

Division

n÷y
n÷2 104010404.5
n÷3 69340269.666667
n÷3 52005202.25
n÷5 41604161.8

Exponentiation

ny
n2 43272656977014481
n3 9.001613111938E+24
n4 1.8725228418504E+33
n5 3.8952371643269E+41

Nth Root

y√n
2√n 14422.926506087
3√n 592.51897154206
4√n 120.09548911632
5√n 46.09155457065

Divisors of 208020809

1, 23, 1319, 6857, 30337, 157711, 9044383, 208020809

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 -208020808
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 208020809 can be divided by 8 positive divisors. The sum of these divisors (counting 208020809) is 1, the average is 0.125.

Base conversion 208020809

Base System Value
2 Binary 1100011001100010010101001001
3 Ternary 112111102112220102
4 Quaternary 30121202111021
5 Quinary 411223131214
6 Senary 32350335145
8 Octal 1431422511
10 Decimal 208020809
12 Duodecimal 597ba4b5
16 Hexadecimal c662549
20 Vigesimal 3502c09
36 Base36 3fulvt

Cryptographic Hash Functions

md5 6c32bc72c24b216d9074a084ab056f93
sha1 c08a835ece015742ea962a08c38ccdbe8385dc5d
sha256 9c629ba46f64a77cd80ea915a237d5459bd09216c0dd432cbf529ff43014a449
sha512 16071408b9065962deda10729696c10e7ca97a827a776f276594470c3e1ee591ad3da8d520e8298ea790a464ab95770798e042c2b9b2aabcef78265dbfce623f
ripemd-160 6461fef1307d91da3b0b4039fe354ac9da6f3bc0

208020809 as geometric shapes

Circle

Radius = n
Diameter 416041618
Circumference 1307033290.6964
Area 1.359450612603E+17

Sphere

Radius = n
Volume 3.7705868830563E+25
Surface area 5.437802450412E+17
Circumference 1307033290.6964

Square

Length = n
Perimeter 832083236
Area 43272656977014481
Diagonal 294185849.34362

Cube

Length = n
Surface area 259635941862086886
Volume 9.001613111938E+24
Space diagonal 360302610.21958

Equilateral Triangle

Length = n
Perimeter 624062427
Area 1.8737610115672E+16
Altitude 180151305.10979

Triangular Pyramid

Length = n
Surface area 1.8737610115672E+16
Volume 1.0608502788449E+24
Height 98061949.781208