38639945 (number)

38639945 is an odd 8-digits composite number following 38639944 and preceding 38639946. In scientific notation, it is written as 3.8639945 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 30911952 positive integers (up to 38639945) that are relatively prime to 38639945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.8639945 × 10^7
Engineering notation 3.8639945 × 10^6

Prime Factorization of 38639945

Prime Factorization 5 × 7727989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 38639945
Product of the distinct prime numbers

The prime factorization of 38639945 is 5 × 7727989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 58, 76, 919, 716, 2523, 4054, 8729, 20496, 682856, 345729, 1858864, 5686322, 24522127, 71754345, 141771112, 376178864, 1940968904, 3274124782

Basic calculations (n = 38639945)

Multiplication

n×y
n×2 77279890
n×3 115919835
n×4 154559780
n×5 193199725

Division

n÷y
n÷2 19319972.5
n÷3 12879981.666667
n÷3 9659986.25
n÷5 7727989

Exponentiation

ny
n2 1493045349603025
n3 5.7691190191167E+22
n4 2.2291844159712E+30
n5 8.6135563227985E+37

Nth Root

y√n
2√n 6216.1036831765
3√n 338.07430704093
4√n 78.842270915902
5√n 32.91601866466

Divisors of 38639945

1, 5, 7727989, 38639945

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 -38639944
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 38639945 can be divided by 4 positive divisors. The sum of these divisors (counting 38639945) is 1, the average is 0.25.

Base conversion 38639945

Base System Value
2 Binary 10010011011001100101001001
3 Ternary 2200201010001002
4 Quaternary 2103121211021
5 Quinary 34342434240
6 Senary 3500104345
8 Octal 223314511
10 Decimal 38639945
12 Duodecimal 10b350b5
16 Hexadecimal 24d9949
20 Vigesimal c19jh5
36 Base36 n06rt

Cryptographic Hash Functions

md5 7c4f5785a428e7ff9d5311ac1ad56da7
sha1 370a7bb4d3de05c70f2041445ff97e56c6cad253
sha256 c246d6c9413b772f78d697ee2e7587475a148ed48f3fd3ae6589dbef5c7408fd
sha512 70cd8a276ac12776c90f8a25fbf52178d914f108e9a73653fb6fd4228ea1de0c63372e080997f1809d25051577bf908c427d62e80574dc08ad0a206d1428f2cd
ripemd-160 24b03fc71e2c75c4fd3b4f46dacc90030257790e

38639945 as geometric shapes

Circle

Radius = n
Diameter 77279890
Circumference 242781934.69423
Area 4.6905403017893E+15

Sphere

Radius = n
Volume 2.4165629237523E+23
Surface area 1.8762161207157E+16
Circumference 242781934.69423

Square

Length = n
Perimeter 154559780
Area 1493045349603025
Diagonal 54645134.26835

Cube

Length = n
Surface area 8958272097618150
Volume 5.7691190191167E+22
Space diagonal 66926347.941667

Equilateral Triangle

Length = n
Perimeter 115919835
Area 6.4650760087922E+14
Altitude 33463173.970833

Triangular Pyramid

Length = n
Surface area 6.4650760087922E+14
Volume 6.7989719664828E+21
Height 18215044.756117