51991385 (number)

51991385 is an odd 8-digits composite number following 51991384 and preceding 51991386. In scientific notation, it is written as 5.1991385 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 39623232 positive integers (up to 51991385) that are relatively prime to 51991385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 5.1991385 × 10^7
Engineering notation 5.1991385 × 10^6

Prime Factorization of 51991385

Prime Factorization 115 × 293 × 1543

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 51991385
Product of the distinct prime numbers

The prime factorization of 51991385 is 115 × 293 × 1543. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51991385)

Multiplication

n×y
n×2 103982770
n×3 155974155
n×4 207965540
n×5 259956925

Division

n÷y
n÷2 25995692.5
n÷3 17330461.666667
n÷3 12997846.25
n÷5 10398277

Exponentiation

ny
n2 2703104114218225
n3 1.405381266974E+23
n4 7.3067718523035E+30
n5 3.7988918848027E+38

Nth Root

y√n
2√n 7210.5051834112
3√n 373.2305019897
4√n 84.914693566021
5√n 34.929010067437

Divisors of 51991385

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 -51991384
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 51991385 can be divided by 8 positive divisors. The sum of these divisors (counting 51991385) is 1, the average is 0.125.

Base conversion 51991385

Base System Value
2 Binary 11000110010101001101011001
3 Ternary 10121211102202212
4 Quaternary 3012111031121
5 Quinary 101302211020
6 Senary 5054204505
8 Octal 306251531
10 Decimal 51991385
12 Duodecimal 154b3735
16 Hexadecimal 3195359
20 Vigesimal g4ii95
36 Base36 uyct5

Cryptographic Hash Functions

md5 5f32051587d579fa8b5773ab10698fa0
sha1 2cffad5f4b449d7e327ddd6002d0e0241a68541e
sha256 0c0e153c5c4dc571e21adff0f055b92c3fa10afa7ccc6df43fcc8c0512598c34
sha512 126e381d6acc4e994f6de1f258ab25ab7c5c98000b2e006707fae300bdd6f9fa73b4914dafd29ee7ee0817d6bba752baf3709efcdbc3bff4e34ddc3ea630dd8c
ripemd-160 5b17b387bb7db831157bc2e6938d708cbc284ce9

51991385 as geometric shapes

Circle

Radius = n
Diameter 103982770
Circumference 326671506.33192
Area 8.4920520271163E+15

Sphere

Radius = n
Volume 5.8868472850911E+23
Surface area 3.3968208108465E+16
Circumference 326671506.33192

Square

Length = n
Perimeter 207965540
Area 2703104114218225
Diagonal 73526921.793561

Cube

Length = n
Surface area 16218624685309350
Volume 1.405381266974E+23
Space diagonal 90051720.375874

Equilateral Triangle

Length = n
Perimeter 155974155
Area 1.1704784159936E+15
Altitude 45025860.187937

Triangular Pyramid

Length = n
Surface area 1.1704784159936E+15
Volume 1.6562577067165E+22
Height 24508973.931187