66691 (number)

66691 is an odd 5-digits composite number following 66690 and preceding 66692. In scientific notation, it is written as 6.6691 × 10^4. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 62752 positive integers (up to 66691) that are relatively prime to 66691.

Interesting facts

Basic properties

Name

Name sixty-six thousand six hundred ninety-one

Notation

Scientific notation 6.6691 × 10^4
Engineering notation 6.6691 × 10^3

Prime Factorization of 66691

Prime Factorization 17 × 3923

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66691
Product of the distinct prime numbers

The prime factorization of 66691 is 17 × 3923. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 9, 97, 97, 707, 133, 8900, 6930, 72273, 80895, 88685, 856563, 5295201, 8559425, 35427360, 22285449, 233219407, 765113488, 3333125382, 4370163878

Basic calculations (n = 66691)

Multiplication

n×y
n×2 133382
n×3 200073
n×4 266764
n×5 333455

Division

n÷y
n÷2 33345.5
n÷3 22230.333333333
n÷3 16672.75
n÷5 13338.2

Exponentiation

ny
n2 4447689481
n3 296620859177371
n4 1.9781941719398E+19
n5 1.3192774752084E+24

Nth Root

y√n
2√n 258.24600674551
3√n 40.55294604534
4√n 16.070034435106
5√n 9.2217521553359

Divisors of 66691

1, 17, 3923, 66691

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 -66690
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 66691 can be divided by 4 positive divisors. The sum of these divisors (counting 66691) is 1, the average is 0.25.

Base conversion 66691

Base System Value
2 Binary 10000010010000011
3 Ternary 10101111001
4 Quaternary 100102003
5 Quinary 4113231
6 Senary 1232431
8 Octal 202203
10 Decimal 66691
12 Duodecimal 32717
16 Hexadecimal 10483
20 Vigesimal 86eb
36 Base36 1fgj

Cryptographic Hash Functions

md5 6f66423204e41181f9fe513d45fc7009
sha1 5b27bdd1d76493b09055f7e7cd3e1e9d04a8df08
sha256 a8f26fa7a7323b5c272e0de82c83b55a390135d500140be15b343fa709361e8a
sha512 c7114760c4df5adb98d21b2bfce37dca60455aff07184b92c6773d0fc4da0eb757f193c53e4e47d01338598cf45ae9d8717fc9463b6da3e46b5cae0e0ffa00cc
ripemd-160 815ad8efb8abe5e2018b767517c5227c94884450

66691 as geometric shapes

Circle

Radius = n
Diameter 133382
Circumference 419031.91132111
Area 13972828598.958

Sphere

Radius = n
Volume 1.2424825494575E+15
Surface area 55891314395.833
Circumference 419031.91132111

Square

Length = n
Perimeter 266764
Area 4447689481
Diagonal 94315.316688224

Cube

Length = n
Surface area 26686136886
Volume 296620859177371
Space diagonal 115512.20040758

Equilateral Triangle

Length = n
Perimeter 200073
Area 1925906039.3454
Altitude 57756.100203788

Triangular Pyramid

Length = n
Surface area 1925906039.3454
Volume 34957103494283
Height 31438.438896075