51387947 (number)

51387947 is an odd 8-digits composite number following 51387946 and preceding 51387948. In scientific notation, it is written as 5.1387947 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 47435016 positive integers (up to 51387947) that are relatively prime to 51387947.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 5.1387947 × 10^7
Engineering notation 5.1387947 × 10^6

Prime Factorization of 51387947

Prime Factorization 13 × 3952919

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 51387947
Product of the distinct prime numbers

The prime factorization of 51387947 is 13 × 3952919. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51387947)

Multiplication

n×y
n×2 102775894
n×3 154163841
n×4 205551788
n×5 256939735

Division

n÷y
n÷2 25693973.5
n÷3 17129315.666667
n÷3 12846986.75
n÷5 10277589.4

Exponentiation

ny
n2 2640721096874809
n3 1.3570123576798E+23
n4 6.9734079114797E+30
n5 3.583491161645E+38

Nth Root

y√n
2√n 7168.5386934856
3√n 371.78091263761
4√n 84.667223253663
5√n 34.84755028954

Divisors of 51387947

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 -51387946
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 51387947 can be divided by 4 positive divisors. The sum of these divisors (counting 51387947) is 1, the average is 0.25.

Base conversion 51387947

Base System Value
2 Binary 11000100000001111000101011
3 Ternary 10120200210000022
4 Quaternary 3010001320223
5 Quinary 101123403242
6 Senary 5033231055
8 Octal 304017053
10 Decimal 51387947
12 Duodecimal 1526248b
16 Hexadecimal 3101e2b
20 Vigesimal g139h7
36 Base36 ulf6z

Cryptographic Hash Functions

md5 d57f8318dd303661da7c47f385d8bf08
sha1 89914086e63e76448e5fab7c300f3f49b906adcc
sha256 9c420a71a672735c7a8ac46ac165a08b97d491ef36268d5086d34e7d454396c7
sha512 cb0dd0dbe0615468d0507ff18015800767cb726bd6ff8093002524725bdd9f7af0ae15813a0d577126d8dd3c7f0a6336935e440fb1d786476e84b6cab4d8e1b4
ripemd-160 5f213a090180d495c6d04381777c4d2547971166

51387947 as geometric shapes

Circle

Radius = n
Diameter 102775894
Circumference 322879993.55652
Area 8.2960699981215E+15

Sphere

Radius = n
Volume 5.6842400716234E+23
Surface area 3.3184279992486E+16
Circumference 322879993.55652

Square

Length = n
Perimeter 205551788
Area 2640721096874809
Diagonal 72673531.58991

Cube

Length = n
Surface area 15844326581248854
Volume 1.3570123576798E+23
Space diagonal 89006535.100657

Equilateral Triangle

Length = n
Perimeter 154163841
Area 1.1434657771015E+15
Altitude 44503267.550328

Triangular Pyramid

Length = n
Surface area 1.1434657771015E+15
Volume 1.5992544004489E+22
Height 24224510.52997