638954672 (number)

638954672 is an even 9-digits composite number following 638954671 and preceding 638954673. In scientific notation, it is written as 6.38954672 × 10^8. The sum of its digits is 50. It has a total of 6 prime factors and 20 positive divisors. There are 319075968 positive integers (up to 638954672) that are relatively prime to 638954672.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred fifty-four thousand six hundred seventy-two

Notation

Scientific notation 6.38954672 × 10^8
Engineering notation 6.38954672 × 10^6

Prime Factorization of 638954672

Prime Factorization 2 × 2 × 2 × 2 × 809 × 49363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 79869334
Product of the distinct prime numbers

The prime factorization of 638954672 is 2 × 2 × 2 × 2 × 809 × 49363. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638954672)

Multiplication

n×y
n×2 1277909344
n×3 1916864016
n×4 2555818688
n×5 3194773360

Division

n÷y
n÷2 319477336
n÷3 212984890.66667
n÷3 159738668
n÷5 127790934.4

Exponentiation

ny
n2 408263072870627584
n3 2.6086159781576E+26
n4 1.6667873666977E+35
n5 1.0650015751821E+44

Nth Root

y√n
2√n 25277.552729645
3√n 861.30443473117
4√n 158.98915915761
5√n 57.689132725571

Divisors of 638954672

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638954671
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638954672 can be divided by 20 positive divisors. The sum of these divisors (counting 638954672) is 1, the average is 0.05.

Base conversion 638954672

Base System Value
2 Binary 100110000101011010110010110000
3 Ternary 1122112022021000212
4 Quaternary 212011122302300
5 Quinary 2302033022142
6 Senary 143223003252
8 Octal 4605326260
10 Decimal 638954672
12 Duodecimal 159b99528
16 Hexadecimal 2615acb0
20 Vigesimal 9jd96dc
36 Base36 akf0kw

Cryptographic Hash Functions

md5 557d6a0f28d8b3276e4cea1cb166c5d0
sha1 3cc7391825c8758f411a033e37d0553deadaa9b8
sha256 a0fef4639d6051b12d87aedff76970fb64ef1f6006675dbac45186f8a9d9bfbf
sha512 7b326988d9eaa3d23d985d5ad70224e39676cc2c53ef9dd8eec1f64032f69455b0b8a6e9e1a5fb18e4e01a34831c0efd66970ac147d5ac38cee9953f0c3432af
ripemd-160 22118b4a3cc6c55f9ca4d4a045595dc432c79986

638954672 as geometric shapes

Circle

Radius = n
Diameter 1277909344
Circumference 4014670607.0642
Area 1.2825962704624E+18

Sphere

Radius = n
Volume 1.0926945057356E+27
Surface area 5.1303850818494E+18
Circumference 4014670607.0642

Square

Length = n
Perimeter 2555818688
Area 408263072870627584
Diagonal 903618362.88405

Cube

Length = n
Surface area 2449578437223765504
Volume 2.6086159781576E+26
Space diagonal 1106701955.6375

Equilateral Triangle

Length = n
Perimeter 1916864016
Area 1.7678309626653E+17
Altitude 553350977.81875

Triangular Pyramid

Length = n
Surface area 1.7678309626653E+17
Volume 3.0742834127781E+25
Height 301206120.96135