66561690 (number)

66561690 is an even 8-digits composite number following 66561689 and preceding 66561691. In scientific notation, it is written as 6.6561690 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 16215552 positive integers (up to 66561690) that are relatively prime to 66561690.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6561690 × 10^7
Engineering notation 6.6561690 × 10^6

Prime Factorization of 66561690

Prime Factorization 2 × 103 × 39 × 5 × 1657

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 66561690
Product of the distinct prime numbers

The prime factorization of 66561690 is 2 × 103 × 39 × 5 × 1657. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 80, 19, 932, 541, 9713, 3517, 1230, 56315, 76272, 590276, 1315006, 1834515, 33416638, 40048850, 662168844, 815577757, 3984709726, 8750230946

Basic calculations (n = 66561690)

Multiplication

n×y
n×2 133123380
n×3 199685070
n×4 266246760
n×5 332808450

Division

n÷y
n÷2 33280845
n÷3 22187230
n÷3 16640422.5
n÷5 13312338

Exponentiation

ny
n2 4430458575656100
n3 2.9489881027066E+23
n4 1.9628963190605E+31
n5 1.3065369629144E+39

Nth Root

y√n
2√n 8158.5347949249
3√n 405.26719146577
4√n 90.324607914593
5√n 36.698208859673

Divisors of 66561690

1, 2, 5, 10, 39, 78, 103, 195, 206, 390, 515, 1030, 1657, 3314, 4017, 8034, 8285, 16570, 20085, 40170, 64623, 129246, 170671, 323115, 341342, 646230, 853355, 1706710, 6656169, 13312338, 33280845, 66561690

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66561689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66561690 can be divided by 32 positive divisors. The sum of these divisors (counting 66561690) is 1, the average is 0.03125.

Base conversion 66561690

Base System Value
2 Binary 11111101111010011010011010
3 Ternary 11122020200110210
4 Quaternary 3331322122122
5 Quinary 114014433230
6 Senary 10334351550
8 Octal 375723232
10 Decimal 66561690
12 Duodecimal 1a35b5b6
16 Hexadecimal 3f7a69a
20 Vigesimal 10g044a
36 Base36 13mnbu

Cryptographic Hash Functions

md5 ffa9e81104ada007978cff329fd3aefd
sha1 243e3f7c20441a5362ae8a1da9120d50427b6847
sha256 dfbc741cc7215cc633b0c8b7df4daf932e3da56ff1a40ac627da393c2573b42c
sha512 703f6637703b9a5411eff7fb3074515c4701cc267b82579573ff003e675a56033b576aee63d45ff31a7b9f472e6d62316e5bca70c7bd0d9aa05f539e41dc4963
ripemd-160 451dc4cd0d1d30eb00d46ec2b2cf431363ba14f2

66561690 as geometric shapes

Circle

Radius = n
Diameter 133123380
Circumference 418219432.62904
Area 1.3918696113315E+16

Sphere

Radius = n
Volume 1.2352692478649E+24
Surface area 5.567478445326E+16
Circumference 418219432.62904

Square

Length = n
Perimeter 266246760
Area 4430458575656100
Diagonal 94132444.732474

Cube

Length = n
Surface area 26582751453936600
Volume 2.9489881027066E+23
Space diagonal 115288228.91765

Equilateral Triangle

Length = n
Perimeter 199685070
Area 1.9184448384664E+15
Altitude 57644114.458825

Triangular Pyramid

Length = n
Surface area 1.9184448384664E+15
Volume 3.4754158084372E+22
Height 31377481.577491