638963784 (number)

638963784 is an even 9-digits composite number following 638963783 and preceding 638963785. In scientific notation, it is written as 6.38963784 × 10^8. The sum of its digits is 54. It has a total of 5 prime factors and 16 positive divisors. There are 212987904 positive integers (up to 638963784) that are relatively prime to 638963784.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38963784 × 10^8
Engineering notation 6.38963784 × 10^6

Prime Factorization of 638963784

Prime Factorization 2 × 2 × 2 × 9 × 8874497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159740946
Product of the distinct prime numbers

The prime factorization of 638963784 is 2 × 2 × 2 × 9 × 8874497. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 4, 63, 47, 495, 485, 3358, 347, 76388, 11015, 232993, 480461, 1179969, 3260438, 47879189, 14268597, 856252416, 762953103, 2633932744, 3174574051

Basic calculations (n = 638963784)

Multiplication

n×y
n×2 1277927568
n×3 1916891352
n×4 2555855136
n×5 3194818920

Division

n÷y
n÷2 319481892
n÷3 212987928
n÷3 159740946
n÷5 127792756.8

Exponentiation

ny
n2 408274717263598656
n3 2.6087275825428E+26
n4 1.6668824475667E+35
n5 1.0650775161804E+44

Nth Root

y√n
2√n 25277.73296797
3√n 861.30852900632
4√n 158.98972598244
5√n 57.689297263183

Divisors of 638963784

1, 2, 4, 8, 9, 18, 36, 72, 8874497, 17748994, 35497988, 70995976, 79870473, 159740946, 319481892, 638963784

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638963783
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638963784 can be divided by 16 positive divisors. The sum of these divisors (counting 638963784) is 1, the average is 0.0625.

Base conversion 638963784

Base System Value
2 Binary 100110000101011101000001001000
3 Ternary 1122112022201112100
4 Quaternary 212011131001020
5 Quinary 2302033320114
6 Senary 143223113400
8 Octal 4605350110
10 Decimal 638963784
12 Duodecimal 159ba2860
16 Hexadecimal 2615d048
20 Vigesimal 9jda994
36 Base36 akf7m0

Cryptographic Hash Functions

md5 c718439f72b0590d9818020a001272d0
sha1 1a2f833b74a3ccc89b9bd023c40077bedd1f8922
sha256 72b01661abc2e536459051b8b7b41bb5d43ae1bb15be0b9333af6abbb0990e1e
sha512 58da5f018d4d7471956df0e48aa549f518e13e895eddca03666dc7ebf262b4ec219567ae4961e9f6cf5e659009de905baceefa7ea20fc8801c7c4c144b6c8749
ripemd-160 0a164ad3ed04e974986b743d7ab5c6eb191af35c

638963784 as geometric shapes

Circle

Radius = n
Diameter 1277927568
Circumference 4014727859.4487
Area 1.2826328524018E+18

Sphere

Radius = n
Volume 1.0927412544711E+27
Surface area 5.1305314096071E+18
Circumference 4014727859.4487

Square

Length = n
Perimeter 2555855136
Area 408274717263598656
Diagonal 903631249.19803

Cube

Length = n
Surface area 2449648303581591936
Volume 2.6087275825428E+26
Space diagonal 1106717738.0845

Equilateral Triangle

Length = n
Perimeter 1916891352
Area 1.7678813843659E+17
Altitude 553358869.04223

Triangular Pyramid

Length = n
Surface area 1.7678813843659E+17
Volume 3.0744149398073E+25
Height 301210416.39934