638804949 (number)

638804949 is an odd 9-digits composite number following 638804948 and preceding 638804950. In scientific notation, it is written as 6.38804949 × 10^8. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 425869964 positive integers (up to 638804949) that are relatively prime to 638804949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38804949 × 10^8
Engineering notation 6.38804949 × 10^6

Prime Factorization of 638804949

Prime Factorization 3 × 212934983

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638804949
Product of the distinct prime numbers

The prime factorization of 638804949 is 3 × 212934983. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 100, 95, 967, 613, 284, 5232, 88130, 34662, 424031, 837007, 2728008, 2617985, 50847238, 95920148, 244766026, 855032597, 6881532516, 5199298509

Basic calculations (n = 638804949)

Multiplication

n×y
n×2 1277609898
n×3 1916414847
n×4 2555219796
n×5 3194024745

Division

n÷y
n÷2 319402474.5
n÷3 212934983
n÷3 159701237.25
n÷5 127760989.8

Exponentiation

ny
n2 408071762866892601
n3 2.6067826166653E+26
n4 1.6652256364929E+35
n5 1.0637543777934E+44

Nth Root

y√n
2√n 25274.590975919
3√n 861.2371544459
4√n 158.97984455873
5√n 57.686428871889

Divisors of 638804949

1, 3, 212934983, 638804949

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638804948
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638804949 can be divided by 4 positive divisors. The sum of these divisors (counting 638804949) is 1, the average is 0.25.

Base conversion 638804949

Base System Value
2 Binary 100110000100110110001111010101
3 Ternary 1122112000122122120
4 Quaternary 212010312033111
5 Quinary 2302013224244
6 Senary 143215450153
8 Octal 4604661725
10 Decimal 638804949
12 Duodecimal 159b26959
16 Hexadecimal 261363d5
20 Vigesimal 9jcac79
36 Base36 akbt1x

Cryptographic Hash Functions

md5 fca908492b4416d11b25d667a83c7e80
sha1 f5089db363665be6bfd115624585e86fc7100bae
sha256 5cd30229d7fa66a9e9f9c88fb0ae1a212ef60c2bbf025ed7c48a50c40bfe4b6b
sha512 04be0322b74ede55990d3d8a635b1e3799cfc75b31c948d3713eb7e85f7a27e4b5325c79450f08509eac9f82af37dbfab7a4c27588ec6255a4473b565147086b
ripemd-160 9f4165c21e8941edb7cb802895aa0b8fb5383636

638804949 as geometric shapes

Circle

Radius = n
Diameter 1277609898
Circumference 4013729869.7104
Area 1.2819952523601E+18

Sphere

Radius = n
Volume 1.0919265490695E+27
Surface area 5.1279810094403E+18
Circumference 4013729869.7104

Square

Length = n
Perimeter 2555219796
Area 408071762866892601
Diagonal 903406622.58685

Cube

Length = n
Surface area 2448430577201355606
Volume 2.6067826166653E+26
Space diagonal 1106442627.7944

Equilateral Triangle

Length = n
Perimeter 1916414847
Area 1.7670025660491E+17
Altitude 553221313.89722

Triangular Pyramid

Length = n
Surface area 1.7670025660491E+17
Volume 3.0721227755387E+25
Height 301135540.86228