51397985 (number)

51397985 is an odd 8-digits composite number following 51397984 and preceding 51397986. In scientific notation, it is written as 5.1397985 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 38953728 positive integers (up to 51397985) that are relatively prime to 51397985.

Interesting facts

Basic properties

Name

Name fifty-one million three hundred ninety-seven thousand nine hundred eighty-five

Notation

Scientific notation 5.1397985 × 10^7
Engineering notation 5.1397985 × 10^6

Prime Factorization of 51397985

Prime Factorization 23 × 5 × 107 × 4177

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 51397985
Product of the distinct prime numbers

The prime factorization of 51397985 is 23 × 5 × 107 × 4177. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51397985)

Multiplication

n×y
n×2 102795970
n×3 154193955
n×4 205591940
n×5 256989925

Division

n÷y
n÷2 25698992.5
n÷3 17132661.666667
n÷3 12849496.25
n÷5 10279597

Exponentiation

ny
n2 2641752862060225
n3 1.3578077397788E+23
n4 6.9788581842034E+30
n5 3.5869924826881E+38

Nth Root

y√n
2√n 7169.2388019929
3√n 371.80511866288
4√n 84.6713576246
5√n 34.848911590786

Divisors of 51397985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -51397984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51397985 can be divided by 16 positive divisors. The sum of these divisors (counting 51397985) is 1, the average is 0.0625.

Base conversion 51397985

Base System Value
2 Binary 11000100000100010101100001
3 Ternary 10120201021210002
4 Quaternary 3010010111201
5 Quinary 101124213420
6 Senary 5033345345
8 Octal 304042541
10 Decimal 51397985
12 Duodecimal 15268255
16 Hexadecimal 3104561
20 Vigesimal g14ej5
36 Base36 ulmxt

Cryptographic Hash Functions

md5 15bb61dbe0a0fd39ffda50c1c5c8e1fb
sha1 5fa75e0bab0240defca11890d51dbffdd4a8e41d
sha256 6ff75a210f95337d94db90da68e20df3887aec0db43be1ed0dbfe898a41b777c
sha512 fe49d6442a5710b4d2a3c0f035a6f764322b1fcdb032b528027d0231204b5c452711620290bd62580d6ca54332da735ce75573c44ef2686e44a4ac57bfee8be8
ripemd-160 69054a302e6dab5a9c3b639d9da4068ed11c2d0c

51397985 as geometric shapes

Circle

Radius = n
Diameter 102795970
Circumference 322943064.17064
Area 8.2993113840482E+15

Sphere

Radius = n
Volume 5.6875717603685E+23
Surface area 3.3197245536193E+16
Circumference 322943064.17064

Square

Length = n
Perimeter 205591940
Area 2641752862060225
Diagonal 72687727.465649

Cube

Length = n
Surface area 15850517172361350
Volume 1.3578077397788E+23
Space diagonal 89023921.426663

Equilateral Triangle

Length = n
Perimeter 154193955
Area 1.1439125445322E+15
Altitude 44511960.713332

Triangular Pyramid

Length = n
Surface area 1.1439125445322E+15
Volume 1.6001917672419E+22
Height 24229242.48855