638994009 (number)

638994009 is an odd 9-digits composite number following 638994008 and preceding 638994010. In scientific notation, it is written as 6.38994009 × 10^8. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 420863360 positive integers (up to 638994009) that are relatively prime to 638994009.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-four thousand nine

Notation

Scientific notation 6.38994009 × 10^8
Engineering notation 6.38994009 × 10^6

Prime Factorization of 638994009

Prime Factorization 3 × 83 × 2566241

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638994009
Product of the distinct prime numbers

The prime factorization of 638994009 is 3 × 83 × 2566241. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 2, 92, 188, 547, 8621, 4552, 11171, 96682, 559573, 808950, 344637, 1353547, 99141686, 26930729, 250138525, 760605524, 9420015169, 7373977931

Basic calculations (n = 638994009)

Multiplication

n×y
n×2 1277988018
n×3 1916982027
n×4 2555976036
n×5 3194970045

Division

n÷y
n÷2 319497004.5
n÷3 212998003
n÷3 159748502.25
n÷5 127798801.8

Exponentiation

ny
n2 408313343537892081
n3 2.6090978031547E+26
n4 1.6671978651109E+35
n5 1.0653294476235E+44

Nth Root

y√n
2√n 25278.330819103
3√n 861.32210966116
4√n 158.99160612782
5√n 57.689843029958

Divisors of 638994009

1, 3, 83, 249, 2566241, 7698723, 212998003, 638994009

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 -638994008
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 638994009 can be divided by 8 positive divisors. The sum of these divisors (counting 638994009) is 1, the average is 0.125.

Base conversion 638994009

Base System Value
2 Binary 100110000101100100011001011001
3 Ternary 1122112101020222210
4 Quaternary 212011210121121
5 Quinary 2302040302014
6 Senary 143223505333
8 Octal 4605443131
10 Decimal 638994009
12 Duodecimal 159bb8249
16 Hexadecimal 26164659
20 Vigesimal 9jde509
36 Base36 akfuxl

Cryptographic Hash Functions

md5 063da10e9a3b1ca41fce85e4f56d3279
sha1 a8778c21f7afdd8781f1e1d295b24f22afa6ac6f
sha256 97c8c436d5081e8133bbbf80ae9a1a76cc1c4c60dc08c0d82e72d5955abcb74e
sha512 c0fb862744889f16b871d95fa877749974259db0788a1a041368a7d77e0d7075fddd05d489821116eb4f3fb6e61706334690696e699ca4d0f5774072fd73dbb9
ripemd-160 52a4a624e97c50faf2094b578ec910e0cabdee75

638994009 as geometric shapes

Circle

Radius = n
Diameter 1277988018
Circumference 4014917768.7246
Area 1.2827542004213E+18

Sphere

Radius = n
Volume 1.0928963321184E+27
Surface area 5.1310168016853E+18
Circumference 4014917768.7246

Square

Length = n
Perimeter 2555976036
Area 408313343537892081
Diagonal 903673993.80296

Cube

Length = n
Surface area 2449880061227352486
Volume 2.6090978031547E+26
Space diagonal 1106770089.3201

Equilateral Triangle

Length = n
Perimeter 1916982027
Area 1.7680486410399E+17
Altitude 553385044.66006

Triangular Pyramid

Length = n
Surface area 1.7680486410399E+17
Volume 3.0748512489827E+25
Height 301224664.60099