51387939 (number)

51387939 is an odd 8-digits composite number following 51387938 and preceding 51387940. In scientific notation, it is written as 5.1387939 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 34257168 positive integers (up to 51387939) that are relatively prime to 51387939.

Interesting facts

Basic properties

Name

Name fifty-one million three hundred eighty-seven thousand nine hundred thirty-nine

Notation

Scientific notation 5.1387939 × 10^7
Engineering notation 5.1387939 × 10^6

Prime Factorization of 51387939

Prime Factorization 243 × 9 × 23497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 51387939
Product of the distinct prime numbers

The prime factorization of 51387939 is 243 × 9 × 23497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51387939)

Multiplication

n×y
n×2 102775878
n×3 154163817
n×4 205551756
n×5 256939695

Division

n÷y
n÷2 25693969.5
n÷3 17129313
n÷3 12846984.75
n÷5 10277587.8

Exponentiation

ny
n2 2640720274667721
n3 1.3570117239069E+23
n4 6.9734035690412E+30
n5 3.5834883722827E+38

Nth Root

y√n
2√n 7168.5381354918
3√n 371.78089334484
4√n 84.667219958445
5√n 34.847549204536

Divisors of 51387939

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -51387938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51387939 can be divided by 8 positive divisors. The sum of these divisors (counting 51387939) is 1, the average is 0.125.

Base conversion 51387939

Base System Value
2 Binary 11000100000001111000100011
3 Ternary 10120200210000000
4 Quaternary 3010001320203
5 Quinary 101123403224
6 Senary 5033231043
8 Octal 304017043
10 Decimal 51387939
12 Duodecimal 15262483
16 Hexadecimal 3101e23
20 Vigesimal g139gj
36 Base36 ulf6r

Cryptographic Hash Functions

md5 d8c4efdbc336bcb1c71d9069ee06c7d3
sha1 4214683ced75023a7f15f51cd47452591a7f270c
sha256 c78266bb863cf69d94033a616f294beb5a019a583315954c793ebbd2f016d63d
sha512 a9a55d9d2b2166f321603d96b1cfa88c5fab54f775dcb2ce97ff15661511b7ea4bc0d509c8c3d71549697a8f3d79ec0526946dc444650d94104835e8ba409e37
ripemd-160 a0aec99f2f731dedd11a826a734be16d3decf03e

51387939 as geometric shapes

Circle

Radius = n
Diameter 102775878
Circumference 322879943.29104
Area 8.2960674150817E+15

Sphere

Radius = n
Volume 5.6842374168814E+23
Surface area 3.3184269660327E+16
Circumference 322879943.29104

Square

Length = n
Perimeter 205551756
Area 2640720274667721
Diagonal 72673520.276201

Cube

Length = n
Surface area 15844321648006326
Volume 1.3570117239069E+23
Space diagonal 89006521.24425

Equilateral Triangle

Length = n
Perimeter 154163817
Area 1.1434654210754E+15
Altitude 44503260.622125

Triangular Pyramid

Length = n
Surface area 1.1434654210754E+15
Volume 1.5992536535403E+22
Height 24224506.758734