66646918 (number)

66646918 is an even 8-digits composite number following 66646917 and preceding 66646919. In scientific notation, it is written as 6.6646918 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 30760104 positive integers (up to 66646918) that are relatively prime to 66646918.

Interesting facts

Basic properties

Name

Name sixty-six million six hundred forty-six thousand nine hundred eighteen

Notation

Scientific notation 6.6646918 × 10^7
Engineering notation 6.6646918 × 10^6

Prime Factorization of 66646918

Prime Factorization 2 × 13 × 2563343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66646918
Product of the distinct prime numbers

The prime factorization of 66646918 is 2 × 13 × 2563343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66646918)

Multiplication

n×y
n×2 133293836
n×3 199940754
n×4 266587672
n×5 333234590

Division

n÷y
n÷2 33323459
n÷3 22215639.333333
n÷3 16661729.5
n÷5 13329383.6

Exponentiation

ny
n2 4441811678898724
n3 2.9603305873501E+23
n4 1.9729690990801E+31
n5 1.3149230976293E+39

Nth Root

y√n
2√n 8163.7563657914
3√n 405.44009062411
4√n 90.353507766945
5√n 36.707601993286

Divisors of 66646918

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 -66646917
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 66646918 can be divided by 8 positive divisors. The sum of these divisors (counting 66646918) is 1, the average is 0.125.

Base conversion 66646918

Base System Value
2 Binary 11111110001111001110000110
3 Ternary 11122102000101101
4 Quaternary 3332033032012
5 Quinary 114030200133
6 Senary 10340250314
8 Octal 376171606
10 Decimal 66646918
12 Duodecimal 1a3a099a
16 Hexadecimal 3f8f386
20 Vigesimal 10gah5i
36 Base36 13oh3a

Cryptographic Hash Functions

md5 26abbef7d9e5b1ae4ef1a2e37cb7b534
sha1 d3233d697788be25cc890d2d97240c304c011bf5
sha256 51b908910f32df9eef8bae40d4f7d219c3fcace470cd567a939958c1e867d06d
sha512 c5ccebc26cf1a3f844dea2673a4d1ab4f4db4fc0201d842f54d449bdd748de0b72bf22feb812107ec4fe6d44c418a6c350e97e26adb101ea5a2d064a34da9bab
ripemd-160 c82048f2fda983bf5c40ff7a94a109d5d0fccaa3

66646918 as geometric shapes

Circle

Radius = n
Diameter 133293836
Circumference 418754935.9464
Area 1.3954362939058E+16

Sphere

Radius = n
Volume 1.2400203767221E+24
Surface area 5.581745175623E+16
Circumference 418754935.9464

Square

Length = n
Perimeter 266587672
Area 4441811678898724
Diagonal 94252975.325968

Cube

Length = n
Surface area 26650870073392344
Volume 2.9603305873501E+23
Space diagonal 115435848.14388

Equilateral Triangle

Length = n
Perimeter 199940754
Area 1.9233608763764E+15
Altitude 57717924.071938

Triangular Pyramid

Length = n
Surface area 1.9233608763764E+15
Volume 3.488783054782E+22
Height 31417658.441989