38943987 (number)

38943987 is an odd 8-digits composite number following 38943986 and preceding 38943988. In scientific notation, it is written as 3.8943987 × 10^7. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 25962656 positive integers (up to 38943987) that are relatively prime to 38943987.

Interesting facts

Basic properties

Name

Name thirty-eight million nine hundred forty-three thousand nine hundred eighty-seven

Notation

Scientific notation 3.8943987 × 10^7
Engineering notation 3.8943987 × 10^6

Prime Factorization of 38943987

Prime Factorization 3 × 12981329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 38943987
Product of the distinct prime numbers

The prime factorization of 38943987 is 3 × 12981329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 3, 52, 86, 578, 754, 2505, 5686, 23989, 16094, 297756, 704886, 4053881, 1796371, 97964284, 91688460, 349290021, 904511124, 8816748760, 8161763452

Basic calculations (n = 38943987)

Multiplication

n×y
n×2 77887974
n×3 116831961
n×4 155775948
n×5 194719935

Division

n÷y
n÷2 19471993.5
n÷3 12981329
n÷3 9735996.75
n÷5 7788797.4

Exponentiation

ny
n2 1516634123456169
n3 5.9063779587633E+22
n4 2.3001790644317E+30
n5 8.9578143582899E+37

Nth Root

y√n
2√n 6240.5117578609
3√n 338.95871444034
4√n 78.99690979944
5√n 32.967656941881

Divisors of 38943987

1, 3, 12981329, 38943987

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 -38943986
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 38943987 can be divided by 4 positive divisors. The sum of these divisors (counting 38943987) is 1, the average is 0.25.

Base conversion 38943987

Base System Value
2 Binary 10010100100011110011110011
3 Ternary 2201021120002220
4 Quaternary 2110203303303
5 Quinary 34432201422
6 Senary 3510412123
8 Octal 224436363
10 Decimal 38943987
12 Duodecimal 11061043
16 Hexadecimal 2523cf3
20 Vigesimal c37jj7
36 Base36 n6pdf

Cryptographic Hash Functions

md5 db9317063080a66c9298464390655e80
sha1 a67fde81e86d26cbfeb1eefff3cda18e38bc7129
sha256 b3c981f6ff388d0c92b02b9f499d51d40a0ec7b2ea9161a76fa193cfb36b5155
sha512 e363c6ed403c5a75155cee573a6e69e679faf6cc8c44385da2a6b94f85acf449465989b66c5a4344e9f44b12e3639253afbb378f72efe6ce1f97f9b03f5ea02c
ripemd-160 fa03086d1bd93f0fcb8b548e4162a347f2ada760

38943987 as geometric shapes

Circle

Radius = n
Diameter 77887974
Circumference 244692286.92139
Area 4.7646466204335E+15

Sphere

Radius = n
Volume 2.4740578139434E+23
Surface area 1.9058586481734E+16
Circumference 244692286.92139

Square

Length = n
Perimeter 155775948
Area 1516634123456169
Diagonal 55075114.588282

Cube

Length = n
Surface area 9099804740737014
Volume 5.9063779587633E+22
Space diagonal 67452964.133302

Equilateral Triangle

Length = n
Perimeter 116831961
Area 6.5672183957969E+14
Altitude 33726482.066651

Triangular Pyramid

Length = n
Surface area 6.5672183957969E+14
Volume 6.9607331781539E+21
Height 18358371.529427