638963947 (number)

638963947 is an odd 9-digits composite number following 638963946 and preceding 638963948. In scientific notation, it is written as 6.38963947 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 638619840 positive integers (up to 638963947) that are relatively prime to 638963947.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38963947 × 10^8
Engineering notation 6.38963947 × 10^6

Prime Factorization of 638963947

Prime Factorization 1867 × 342241

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638963947
Product of the distinct prime numbers

The prime factorization of 638963947 is 1867 × 342241. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 62, 45, 69, 961, 4112, 8217, 78251, 54346, 4693, 365514, 198866, 6107936, 20496773, 6095673, 503822578, 346421676, 4055357745, 2168607825

Basic calculations (n = 638963947)

Multiplication

n×y
n×2 1277927894
n×3 1916891841
n×4 2555855788
n×5 3194819735

Division

n÷y
n÷2 319481973.5
n÷3 212987982.33333
n÷3 159740986.75
n÷5 127792789.4

Exponentiation

ny
n2 408274925565818809
n3 2.6087295790067E+26
n4 1.6668841484577E+35
n5 1.0650788746903E+44

Nth Root

y√n
2√n 25277.736192151
3√n 861.3086022464
4√n 158.98973612203
5√n 57.689300206497

Divisors of 638963947

1, 1867, 342241, 638963947

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 -638963946
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 638963947 can be divided by 4 positive divisors. The sum of these divisors (counting 638963947) is 1, the average is 0.25.

Base conversion 638963947

Base System Value
2 Binary 100110000101011101000011101011
3 Ternary 1122112022201202101
4 Quaternary 212011131003223
5 Quinary 2302033321242
6 Senary 143223114231
8 Octal 4605350353
10 Decimal 638963947
12 Duodecimal 159ba2977
16 Hexadecimal 2615d0eb
20 Vigesimal 9jda9h7
36 Base36 akf7qj

Cryptographic Hash Functions

md5 026123b9b7431ce419f99fe5dade3569
sha1 bfedbcd067c6a0d6ccca1825020f104242db0a30
sha256 ff5777104202b71360aa60941995468a843052ca7bde3c9c0b2ee85355640a4a
sha512 075d82584fd6d3e9dea9172659acf1adad57803175772b2813b33f0f98242056107dbbad6f0053a4f9a6e285d1c80499e4d03e83db0081fbb5ca86762ada000d
ripemd-160 92fdc3999897b9d347f389d750bdae5ebfe0e810

638963947 as geometric shapes

Circle

Radius = n
Diameter 1277927894
Circumference 4014728883.6079
Area 1.2826335068025E+18

Sphere

Radius = n
Volume 1.092742090748E+27
Surface area 5.13053402721E+18
Circumference 4014728883.6079

Square

Length = n
Perimeter 2555855788
Area 408274925565818809
Diagonal 903631479.71484

Cube

Length = n
Surface area 2449649553394912854
Volume 2.6087295790067E+26
Space diagonal 1106718020.4087

Equilateral Triangle

Length = n
Perimeter 1916891841
Area 1.767882286341E+17
Altitude 553359010.20437

Triangular Pyramid

Length = n
Surface area 1.767882286341E+17
Volume 3.0744172926626E+25
Height 301210493.23828