66403985 (number)

66403985 is an odd 8-digits composite number following 66403984 and preceding 66403986. In scientific notation, it is written as 6.6403985 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 53123184 positive integers (up to 66403985) that are relatively prime to 66403985.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred three thousand nine hundred eighty-five

Notation

Scientific notation 6.6403985 × 10^7
Engineering notation 6.6403985 × 10^6

Prime Factorization of 66403985

Prime Factorization 5 × 13280797

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66403985
Product of the distinct prime numbers

The prime factorization of 66403985 is 5 × 13280797. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66403985)

Multiplication

n×y
n×2 132807970
n×3 199211955
n×4 265615940
n×5 332019925

Division

n÷y
n÷2 33201992.5
n÷3 22134661.666667
n÷3 16600996.25
n÷5 13280797

Exponentiation

ny
n2 4409489223880225
n3 2.928076562802E+23
n4 1.9443595215516E+31
n5 1.2911322050372E+39

Nth Root

y√n
2√n 8148.8640312623
3√n 404.94687104727
4√n 90.271058658145
5√n 36.680802499429

Divisors of 66403985

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 -66403984
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 66403985 can be divided by 4 positive divisors. The sum of these divisors (counting 66403985) is 1, the average is 0.25.

Base conversion 66403985

Base System Value
2 Binary 11111101010011111010010001
3 Ternary 11121221200010212
4 Quaternary 3331103322101
5 Quinary 113444411420
6 Senary 10331133505
8 Octal 375237221
10 Decimal 66403985
12 Duodecimal 1a2a4295
16 Hexadecimal 3f53e91
20 Vigesimal 10f09j5
36 Base36 13j9n5

Cryptographic Hash Functions

md5 1b83313fade0efee213757eb83a2e443
sha1 f21d8f42440ade21e2c9b2411bfea75724ed4661
sha256 b710d571be552fd965a89b802281ca29922036d4189d2f70905bc5156d4ea3a1
sha512 d4d0880e1191a11006fc4d22f1c923010492c8c2cbf2107abd660518874d929b155e507297e05b9de72044b39eda00b7c4edf786d5f990e7c11ffc6664a2b0ce
ripemd-160 0192445691cbfa7cc250c71d9b74f4aaac105d33

66403985 as geometric shapes

Circle

Radius = n
Diameter 132807970
Circumference 417228542.89017
Area 1.3852818951825E+16

Sphere

Radius = n
Volume 1.226509842513E+24
Surface area 5.5411275807302E+16
Circumference 417228542.89017

Square

Length = n
Perimeter 265615940
Area 4409489223880225
Diagonal 93909416.18262

Cube

Length = n
Surface area 26456935343281350
Volume 2.928076562802E+23
Space diagonal 115015075.84504

Equilateral Triangle

Length = n
Perimeter 199211955
Area 1.909364842797E+15
Altitude 57507537.922521

Triangular Pyramid

Length = n
Surface area 1.909364842797E+15
Volume 3.4507713223179E+22
Height 31303138.72754