638680209 (number)

638680209 is an odd 9-digits composite number following 638680208 and preceding 638680210. In scientific notation, it is written as 6.38680209 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 424129536 positive integers (up to 638680209) that are relatively prime to 638680209.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred eighty thousand two hundred nine

Notation

Scientific notation 6.38680209 × 10^8
Engineering notation 6.38680209 × 10^6

Prime Factorization of 638680209

Prime Factorization 3 × 257 × 828379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638680209
Product of the distinct prime numbers

The prime factorization of 638680209 is 3 × 257 × 828379. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 24, 8, 758, 725, 5325, 3427, 5845, 57465, 397254, 176794, 8186555, 2328932, 31718838, 24181054, 349720958, 356041943, 8798872241, 6334946572

Basic calculations (n = 638680209)

Multiplication

n×y
n×2 1277360418
n×3 1916040627
n×4 2554720836
n×5 3193401045

Division

n÷y
n÷2 319340104.5
n÷3 212893403
n÷3 159670052.25
n÷5 127736041.8

Exponentiation

ny
n2 407912409368283681
n3 2.6052558286903E+26
n4 1.6639253371664E+35
n5 1.0627161821018E+44

Nth Root

y√n
2√n 25272.123159719
3√n 861.18109261969
4√n 158.9720829571
5√n 57.684175800034

Divisors of 638680209

1, 3, 257, 771, 828379, 2485137, 212893403, 638680209

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 -638680208
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 638680209 can be divided by 8 positive divisors. The sum of these divisors (counting 638680209) is 1, the average is 0.125.

Base conversion 638680209

Base System Value
2 Binary 100110000100010111110010010001
3 Ternary 1122111210022112120
4 Quaternary 212010113302101
5 Quinary 2302000231314
6 Senary 143213044453
8 Octal 4604276221
10 Decimal 638680209
12 Duodecimal 159a86729
16 Hexadecimal 26117c91
20 Vigesimal 9jbf0a9
36 Base36 ak94sx

Cryptographic Hash Functions

md5 992289f382d7ce1550c005494a58d8b9
sha1 74a35bad75534513d0f0870d360618b4c283735d
sha256 0f06ae5cac6bf5a9ab2123c05de3f5c2047a28b7cb6a030172c981d9bbf330d3
sha512 8750630bac7185751e08581d1d98a7f78b5802e25eb96bc4c2c6414eb87462bf91a3f8b7f3d5bf37a07547b590ee10d6e8f4193db14dad20271cd532c4ae3b8a
ripemd-160 c99424334022d8c064055630a1e68a0367b6f207

638680209 as geometric shapes

Circle

Radius = n
Diameter 1277360418
Circumference 4012946105.1752
Area 1.2814946285795E+18

Sphere

Radius = n
Volume 1.0912870096181E+27
Surface area 5.125978514318E+18
Circumference 4012946105.1752

Square

Length = n
Perimeter 2554720836
Area 407912409368283681
Diagonal 903230213.58708

Cube

Length = n
Surface area 2447474456209702086
Volume 2.6052558286903E+26
Space diagonal 1106226571.7767

Equilateral Triangle

Length = n
Perimeter 1916040627
Area 1.7663125451593E+17
Altitude 553113285.88835

Triangular Pyramid

Length = n
Surface area 1.7663125451593E+17
Volume 3.0703234386545E+25
Height 301076737.86236