638564780 (number)

638564780 is an even 9-digits composite number following 638564779 and preceding 638564781. In scientific notation, it is written as 6.38564780 × 10^8. The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors. There are 218936448 positive integers (up to 638564780) that are relatively prime to 638564780.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred sixty-four thousand seven hundred eighty

Notation

Scientific notation 6.38564780 × 10^8
Engineering notation 6.38564780 × 10^6

Prime Factorization of 638564780

Prime Factorization 2 × 2 × 5 × 7 × 4561177

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 319282390
Product of the distinct prime numbers

The prime factorization of 638564780 is 2 × 2 × 5 × 7 × 4561177. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638564780)

Multiplication

n×y
n×2 1277129560
n×3 1915694340
n×4 2554259120
n×5 3192823900

Division

n÷y
n÷2 319282390
n÷3 212854926.66667
n÷3 159641195
n÷5 127712956

Exponentiation

ny
n2 407764978256448400
n3 2.6038435363203E+26
n4 1.6627227749248E+35
n5 1.0617562029709E+44

Nth Root

y√n
2√n 25269.839334669
3√n 861.12920892784
4√n 158.96489969383
5√n 57.68209059118

Divisors of 638564780

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638564779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638564780 can be divided by 24 positive divisors. The sum of these divisors (counting 638564780) is 1, the average is 0.041666666666667.

Base conversion 638564780

Base System Value
2 Binary 100110000011111011100110101100
3 Ternary 1122111120110012102
4 Quaternary 212003323212230
5 Quinary 2301433033110
6 Senary 143210354232
8 Octal 4603734654
10 Decimal 638564780
12 Duodecimal 159a2b978
16 Hexadecimal 260fb9ac
20 Vigesimal 9jb0bj0
36 Base36 ak6nqk

Cryptographic Hash Functions

md5 23414517823dcbf4279f81c1182d560a
sha1 48fd7bb2d4ae6f5fbb297c9cadaf87473ee42afc
sha256 6b5d8fb9ab75ce15b756da87a30be775241840b291eaab4cbe7fa8fb45b0e9ee
sha512 a0101fb41f9b4cf98d707f630b629c3f259210c2f79458c52dcd43073e6490df13351a22be0d1f5299b6f5d172fe5c0a77a79d7a0f77117f91989a1d3857f018
ripemd-160 fa9d6e8b1a4003f2ef2f807185fb00c5598d9aad

638564780 as geometric shapes

Circle

Radius = n
Diameter 1277129560
Circumference 4012220843.3784
Area 1.2810314600817E+18

Sphere

Radius = n
Volume 1.0906954299735E+27
Surface area 5.1241258403266E+18
Circumference 4012220843.3784

Square

Length = n
Perimeter 2554259120
Area 407764978256448400
Diagonal 903066972.32979

Cube

Length = n
Surface area 2446589869538690400
Volume 2.6038435363203E+26
Space diagonal 1106026642.884

Equilateral Triangle

Length = n
Perimeter 1915694340
Area 1.7656741497185E+17
Altitude 553013321.44202

Triangular Pyramid

Length = n
Surface area 1.7656741497185E+17
Volume 3.0686590361348E+25
Height 301022324.10993