66561691 (number)

66561691 is an odd 8-digits composite number following 66561690 and preceding 66561692. In scientific notation, it is written as 6.6561691 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 56030976 positive integers (up to 66561691) that are relatively prime to 66561691.

Interesting facts

Basic properties

Name

Name sixty-six million five hundred sixty-one thousand six hundred ninety-one

Notation

Scientific notation 6.6561691 × 10^7
Engineering notation 6.6561691 × 10^6

Prime Factorization of 66561691

Prime Factorization 7 × 167 × 97 × 587

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66561691
Product of the distinct prime numbers

The prime factorization of 66561691 is 7 × 167 × 97 × 587. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 46, 6, 85, 399, 7899, 4429, 47540, 88835, 802735, 168824, 8619364, 8472315, 14587236, 48646887, 7629486, 857117587, 3911841694, 6975871075

Basic calculations (n = 66561691)

Multiplication

n×y
n×2 133123382
n×3 199685073
n×4 266246764
n×5 332808455

Division

n÷y
n÷2 33280845.5
n÷3 22187230.333333
n÷3 16640422.75
n÷5 13312338.2

Exponentiation

ny
n2 4430458708779481
n3 2.9489882356204E+23
n4 1.96289643702E+31
n5 1.3065370610593E+39

Nth Root

y√n
2√n 8158.5348562104
3√n 405.2671934953
4√n 90.324608253844
5√n 36.698208969941

Divisors of 66561691

1, 7, 97, 167, 587, 679, 1169, 4109, 16199, 56939, 98029, 113393, 398573, 686203, 9508813, 66561691

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66561690
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66561691 can be divided by 16 positive divisors. The sum of these divisors (counting 66561691) is 1, the average is 0.0625.

Base conversion 66561691

Base System Value
2 Binary 11111101111010011010011011
3 Ternary 11122020200110211
4 Quaternary 3331322122123
5 Quinary 114014433231
6 Senary 10334351551
8 Octal 375723233
10 Decimal 66561691
12 Duodecimal 1a35b5b7
16 Hexadecimal 3f7a69b
20 Vigesimal 10g044b
36 Base36 13mnbv

Cryptographic Hash Functions

md5 71e92d0e2d33f59bdf6cdd913e61f6ea
sha1 82f6c92971a43c7a6f45392b6b846338bd9d559c
sha256 6b8d94796e401b45a5d5138d9e03982163b8935dc177e3660246205539e711f3
sha512 77ce8f0a6a74bb06010c48027ed03d784ab6706b8c7c0adcf0d60faa2b709db927ea8c9e028ab43c818da421cfd5b7a97b8e18e00ef55418193b9ea1339ed120
ripemd-160 d0e87d818e9199c6c10d6f38d153478fe5eab5db

66561691 as geometric shapes

Circle

Radius = n
Diameter 133123382
Circumference 418219438.91223
Area 1.3918696531535E+16

Sphere

Radius = n
Volume 1.2352693035397E+24
Surface area 5.5674786126138E+16
Circumference 418219438.91223

Square

Length = n
Perimeter 266246764
Area 4430458708779481
Diagonal 94132446.146687

Cube

Length = n
Surface area 26582752252676886
Volume 2.9489882356204E+23
Space diagonal 115288230.6497

Equilateral Triangle

Length = n
Perimeter 199685073
Area 1.9184448961105E+15
Altitude 57644115.32485

Triangular Pyramid

Length = n
Surface area 1.9184448961105E+15
Volume 3.4754159650775E+22
Height 31377482.048896