66138081 (number)

66138081 is an odd 8-digits composite number following 66138080 and preceding 66138082. In scientific notation, it is written as 6.6138081 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 44019360 positive integers (up to 66138081) that are relatively prime to 66138081.

Interesting facts

Basic properties

Name

Name sixty-six million one hundred thirty-eight thousand eighty-one

Notation

Scientific notation 6.6138081 × 10^7
Engineering notation 6.6138081 × 10^6

Prime Factorization of 66138081

Prime Factorization 3 × 617 × 35731

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66138081
Product of the distinct prime numbers

The prime factorization of 66138081 is 3 × 617 × 35731. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66138081)

Multiplication

n×y
n×2 132276162
n×3 198414243
n×4 264552324
n×5 330690405

Division

n÷y
n÷2 33069040.5
n÷3 22046027
n÷3 16534520.25
n÷5 13227616.2

Exponentiation

ny
n2 4374245758362561
n3 2.8930422028049E+23
n4 1.9134025954553E+31
n5 1.2654877584383E+39

Nth Root

y√n
2√n 8132.5322624629
3√n 404.40563325653
4√n 90.180553682393
5√n 36.651378866531

Divisors of 66138081

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 -66138080
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 66138081 can be divided by 8 positive divisors. The sum of these divisors (counting 66138081) is 1, the average is 0.125.

Base conversion 66138081

Base System Value
2 Binary 11111100010010111111100001
3 Ternary 11121110011101120
4 Quaternary 3330102333201
5 Quinary 113412404311
6 Senary 10321322453
8 Octal 374227741
10 Decimal 66138081
12 Duodecimal 1a196429
16 Hexadecimal 3f12fe1
20 Vigesimal 10d7541
36 Base36 13dkgx

Cryptographic Hash Functions

md5 cb1eae763bea4ec95b545205b835370f
sha1 7593f66d546dbd09cfb7050c24248da991d971ef
sha256 58df3dfc95a99927a04a5805a8d1a97b298102d8e18d9d3a6f86b353528623d8
sha512 8d2643ad1fe2a9b00266e967b5da39516cf4569ffc3050901b655955fe2c78d7599d5d7ac33c8bfc0e91a7b5bf114417e5141f80d981bf9ab0b95da1c2b4178c
ripemd-160 fadd245c99f97479adb6af17a50303ff97532dd5

66138081 as geometric shapes

Circle

Radius = n
Diameter 132276162
Circumference 415557818.78425
Area 1.3742098339468E+16

Sphere

Radius = n
Volume 1.2118346841143E+24
Surface area 5.4968393357873E+16
Circumference 415557818.78425

Square

Length = n
Perimeter 264552324
Area 4374245758362561
Diagonal 93533371.13953

Cube

Length = n
Surface area 26245474550175366
Volume 2.8930422028049E+23
Space diagonal 114554516.60711

Equilateral Triangle

Length = n
Perimeter 198414243
Area 1.8941039745692E+15
Altitude 57277258.303553

Triangular Pyramid

Length = n
Surface area 1.8941039745692E+15
Volume 3.4094829331037E+22
Height 31177790.379843