66487 (number)

66487 is an odd 5-digits composite number following 66486 and preceding 66488. In scientific notation, it is written as 6.6487 × 10^4. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 62560 positive integers (up to 66487) that are relatively prime to 66487.

Interesting facts

Basic properties

Name

Name sixty-six thousand four hundred eighty-seven

Notation

Scientific notation 6.6487 × 10^4
Engineering notation 6.6487 × 10^3

Prime Factorization of 66487

Prime Factorization 17 × 3911

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66487
Product of the distinct prime numbers

The prime factorization of 66487 is 17 × 3911. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 4, 57, 82, 490, 128, 36, 8355, 53476, 76349, 772823, 213778, 880656, 8440153, 17580739, 73793056, 616386397, 767022081, 1830028691, 9638154365

Basic calculations (n = 66487)

Multiplication

n×y
n×2 132974
n×3 199461
n×4 265948
n×5 332435

Division

n÷y
n÷2 33243.5
n÷3 22162.333333333
n÷3 16621.75
n÷5 13297.4

Exponentiation

ny
n2 4420521169
n3 293907190963303
n4 1.9541007405577E+19
n5 1.2992229593746E+24

Nth Root

y√n
2√n 257.8507320137
3√n 40.511554900431
4√n 16.057731222489
5√n 9.2161035866601

Divisors of 66487

1, 17, 3911, 66487

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 -66486
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 66487 can be divided by 4 positive divisors. The sum of these divisors (counting 66487) is 1, the average is 0.25.

Base conversion 66487

Base System Value
2 Binary 10000001110110111
3 Ternary 10101012111
4 Quaternary 100032313
5 Quinary 4111422
6 Senary 1231451
8 Octal 201667
10 Decimal 66487
12 Duodecimal 32587
16 Hexadecimal 103b7
20 Vigesimal 8647
36 Base36 1fav

Cryptographic Hash Functions

md5 4e5d163c91f1627e14efe060c7760098
sha1 081f9849e0e9049314fc96ca090176ec2bc98296
sha256 93fe73105a755f2b3be3ee67234dfdd3552a103c1fd2d048c3c0a6f54194b5c5
sha512 a6a86d1fcea9c058699a109d1c54b2f5066ce1695e9d4ca7de89c9faa9c9c20071399eda850b7fa74b83cdb504461a9865c783feb9896f44fddf135b4e22b37b
ripemd-160 6bd63df2cb69ac87e3985404dde63a146190af67

66487 as geometric shapes

Circle

Radius = n
Diameter 132974
Circumference 417750.14151845
Area 13887476829.569

Sphere

Radius = n
Volume 1.2311155626234E+15
Surface area 55549907318.274
Circumference 417750.14151845

Square

Length = n
Perimeter 265948
Area 4420521169
Diagonal 94026.8171215

Cube

Length = n
Surface area 26523127014
Volume 293907190963303
Space diagonal 115158.86204283

Equilateral Triangle

Length = n
Perimeter 199461
Area 1914141815.1604
Altitude 57579.431021416

Triangular Pyramid

Length = n
Surface area 1914141815.1604
Volume 34637294628274
Height 31342.272373833