66561904 (number)

66561904 is an even 8-digits composite number following 66561903 and preceding 66561905. In scientific notation, it is written as 6.6561904 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 10 positive divisors. There are 33280944 positive integers (up to 66561904) that are relatively prime to 66561904.

Interesting facts

Basic properties

Name

Name sixty-six million five hundred sixty-one thousand nine hundred four

Notation

Scientific notation 6.6561904 × 10^7
Engineering notation 6.6561904 × 10^6

Prime Factorization of 66561904

Prime Factorization 2 × 2 × 2 × 2 × 4160119

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 8320238
Product of the distinct prime numbers

The prime factorization of 66561904 is 2 × 2 × 2 × 2 × 4160119. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 9, 67, 591, 94, 3473, 6964, 50886, 43621, 635874, 114799, 1631157, 1708190, 4218379, 50759499, 622307214, 979884399, 1341564804, 9798537869

Basic calculations (n = 66561904)

Multiplication

n×y
n×2 133123808
n×3 199685712
n×4 266247616
n×5 332809520

Division

n÷y
n÷2 33280952
n÷3 22187301.333333
n÷3 16640476
n÷5 13312380.8

Exponentiation

ny
n2 4430487064105216
n3 2.9490165463421E+23
n4 1.9629215625204E+31
n5 1.3065579660401E+39

Nth Root

y√n
2√n 8158.5479100144
3√n 405.2676257851
4√n 90.324680514322
5√n 36.69823245705

Divisors of 66561904

1, 2, 4, 8, 16, 4160119, 8320238, 16640476, 33280952, 66561904

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66561903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66561904 can be divided by 10 positive divisors. The sum of these divisors (counting 66561904) is 1, the average is 0.1.

Base conversion 66561904

Base System Value
2 Binary 11111101111010011101110000
3 Ternary 11122020200202201
4 Quaternary 3331322131300
5 Quinary 114014440104
6 Senary 10334352544
8 Octal 375723560
10 Decimal 66561904
12 Duodecimal 1a35b754
16 Hexadecimal 3f7a770
20 Vigesimal 10g04f4
36 Base36 13mnhs

Cryptographic Hash Functions

md5 4b03c0de73f6e7ff77382bd1c6aaeb4d
sha1 6bfd2e837307cb8dc59406933338d0e43e2f8120
sha256 3666dbc9b4803230d80e938dc1b7cb88500bfb2f65728bcdf74055de884c8d3b
sha512 a97da073352991489951c91f8a2a7540d93b4c850937f17270dae8ddde12e1d1f7011c1301ef57181f14464cc7fcbb202c269414ae13afd397a20d76b8f7bed4
ripemd-160 437bad933df63fcef3d9aaf67288c6d5089d62a5

66561904 as geometric shapes

Circle

Radius = n
Diameter 133123808
Circumference 418220777.2307
Area 1.3918785612418E+16

Sphere

Radius = n
Volume 1.2352811623071E+24
Surface area 5.567514244967E+16
Circumference 418220777.2307

Square

Length = n
Perimeter 266247616
Area 4430487064105216
Diagonal 94132747.374176

Cube

Length = n
Surface area 26582922384631296
Volume 2.9490165463421E+23
Space diagonal 115288599.57652

Equilateral Triangle

Length = n
Perimeter 199685712
Area 1.9184571743267E+15
Altitude 57644299.788261

Triangular Pyramid

Length = n
Surface area 1.9184571743267E+15
Volume 3.4754493295831E+22
Height 31377582.458059