51988987 (number)

51988987 is an odd 8-digits composite number following 51988986 and preceding 51988988. In scientific notation, it is written as 5.1988987 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 51822576 positive integers (up to 51988987) that are relatively prime to 51988987.

Interesting facts

Basic properties

Name

Name fifty-one million nine hundred eighty-eight thousand nine hundred eighty-seven

Notation

Scientific notation 5.1988987 × 10^7
Engineering notation 5.1988987 × 10^6

Prime Factorization of 51988987

Prime Factorization 313 × 166099

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 51988987
Product of the distinct prime numbers

The prime factorization of 51988987 is 313 × 166099. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51988987)

Multiplication

n×y
n×2 103977974
n×3 155966961
n×4 207955948
n×5 259944935

Division

n÷y
n÷2 25994493.5
n÷3 17329662.333333
n÷3 12997246.75
n÷5 10397797.4

Exponentiation

ny
n2 2702854769286169
n3 1.4051868146331E+23
n4 7.305423903853E+30
n5 3.798015883669E+38

Nth Root

y√n
2√n 7210.3388963349
3√n 373.2247637281
4√n 84.913714418431
5√n 34.928687855165

Divisors of 51988987

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 -51988986
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 51988987 can be divided by 4 positive divisors. The sum of these divisors (counting 51988987) is 1, the average is 0.25.

Base conversion 51988987

Base System Value
2 Binary 11000110010100100111111011
3 Ternary 10121211022111001
4 Quaternary 3012110213323
5 Quinary 101302121422
6 Senary 5054145431
8 Octal 306244773
10 Decimal 51988987
12 Duodecimal 154b2277
16 Hexadecimal 31949fb
20 Vigesimal g4ic97
36 Base36 uyayj

Cryptographic Hash Functions

md5 6be37a9fbf3f43425fa30c62652c15c0
sha1 70fca906cde65543314a32fdf7e37f0c0c2089c0
sha256 d7f0f71ec3a8d64da4c1d0ab6efdd3f5781a6bf7827989f1dc9c62c853a18d9e
sha512 7910aeb99fda2b8b33676ef50d2354caabd6aec39b2b2dc4da7a190ed4e5f2b15be415c2402898792b67fab87056d129f8e85d66afb9a4e9b98a0203cb40abc7
ripemd-160 2f1830d350416c90bb38fa186be77442071564d1

51988987 as geometric shapes

Circle

Radius = n
Diameter 103977974
Circumference 326656439.25355
Area 8.4912686869096E+15

Sphere

Radius = n
Volume 5.88603276503E+23
Surface area 3.3965074747638E+16
Circumference 326656439.25355

Square

Length = n
Perimeter 207955948
Area 2702854769286169
Diagonal 73523530.509439

Cube

Length = n
Surface area 16217128615717014
Volume 1.4051868146331E+23
Space diagonal 90047566.918038

Equilateral Triangle

Length = n
Perimeter 155966961
Area 1.1703704464709E+15
Altitude 45023783.459019

Triangular Pyramid

Length = n
Surface area 1.1703704464709E+15
Volume 1.6560285424349E+22
Height 24507843.503146