638632955 (number)

638632955 is an odd 9-digits composite number following 638632954 and preceding 638632956. In scientific notation, it is written as 6.38632955 × 10^8. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 509293408 positive integers (up to 638632955) that are relatively prime to 638632955.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred thirty-two thousand nine hundred fifty-five

Notation

Scientific notation 6.38632955 × 10^8
Engineering notation 6.38632955 × 10^6

Prime Factorization of 638632955

Prime Factorization 5 × 317 × 402923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638632955
Product of the distinct prime numbers

The prime factorization of 638632955 is 5 × 317 × 402923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638632955)

Multiplication

n×y
n×2 1277265910
n×3 1915898865
n×4 2554531820
n×5 3193164775

Division

n÷y
n÷2 319316477.5
n÷3 212877651.66667
n÷3 159658238.75
n÷5 127726591

Exponentiation

ny
n2 407852051212032025
n3 2.6046776066835E+26
n4 1.6634329567786E+35
n5 1.0623231046319E+44

Nth Root

y√n
2√n 25271.188238783
3√n 861.15985337537
4√n 158.96914241067
5√n 57.683322199538

Divisors of 638632955

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 -638632954
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 638632955 can be divided by 8 positive divisors. The sum of these divisors (counting 638632955) is 1, the average is 0.125.

Base conversion 638632955

Base System Value
2 Binary 100110000100001100001111111011
3 Ternary 1122111200220201102
4 Quaternary 212010030033323
5 Quinary 2301442223310
6 Senary 143212042015
8 Octal 4604141773
10 Decimal 638632955
12 Duodecimal 159a6330b
16 Hexadecimal 2610c3fb
20 Vigesimal 9jb927f
36 Base36 ak84cb

Cryptographic Hash Functions

md5 bac9221e5ddb7418bb807140db0268e4
sha1 057b06889f06bbe3542137a305e50be63134b805
sha256 0c56b65a46d2e70f0d41b1e8ccd865c17aafba2e56136ce81b6ff4cdcca9cb55
sha512 0f7ef858a1b848906b45732141bf1d3015bf8d477a37b59a1bb9343143e6ae71dc2f04873e82cef579feadc9fd589a15eca2ad0c63051c3d6c76c2ceebe60a9f
ripemd-160 ee67e8c6badd0d7f5a3f8438f3a523c548406e3c

638632955 as geometric shapes

Circle

Radius = n
Diameter 1277265910
Circumference 4012649199.5367
Area 1.2813050078392E+18

Sphere

Radius = n
Volume 1.0910448045502E+27
Surface area 5.125220031357E+18
Circumference 4012649199.5367

Square

Length = n
Perimeter 2554531820
Area 407852051212032025
Diagonal 903163386.33941

Cube

Length = n
Surface area 2447112307272192150
Volume 2.6046776066835E+26
Space diagonal 1106144725.4478

Equilateral Triangle

Length = n
Perimeter 1915898865
Area 1.7660511866761E+17
Altitude 553072362.72392

Triangular Pyramid

Length = n
Surface area 1.7660511866761E+17
Volume 3.0696419974844E+25
Height 301054462.11314