66561688 (number)

66561688 is an even 8-digits composite number following 66561687 and preceding 66561689. In scientific notation, it is written as 6.6561688 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 8 positive divisors. There are 33280840 positive integers (up to 66561688) that are relatively prime to 66561688.

Interesting facts

Basic properties

Name

Name sixty-six million five hundred sixty-one thousand six hundred eighty-eight

Notation

Scientific notation 6.6561688 × 10^7
Engineering notation 6.6561688 × 10^6

Prime Factorization of 66561688

Prime Factorization 2 × 2 × 2 × 8320211

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16640422
Product of the distinct prime numbers

The prime factorization of 66561688 is 2 × 2 × 2 × 8320211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66561688)

Multiplication

n×y
n×2 133123376
n×3 199685064
n×4 266246752
n×5 332808440

Division

n÷y
n÷2 33280844
n÷3 22187229.333333
n÷3 16640422
n÷5 13312337.6

Exponentiation

ny
n2 4430458309409344
n3 2.9489878368791E+23
n4 1.9628960831414E+31
n5 1.3065367666248E+39

Nth Root

y√n
2√n 8158.5346723539
3√n 405.26718740671
4√n 90.32460723609
5√n 36.698208639136

Divisors of 66561688

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 -66561687
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 66561688 can be divided by 8 positive divisors. The sum of these divisors (counting 66561688) is 1, the average is 0.125.

Base conversion 66561688

Base System Value
2 Binary 11111101111010011010011000
3 Ternary 11122020200110201
4 Quaternary 3331322122120
5 Quinary 114014433223
6 Senary 10334351544
8 Octal 375723230
10 Decimal 66561688
12 Duodecimal 1a35b5b4
16 Hexadecimal 3f7a698
20 Vigesimal 10g0448
36 Base36 13mnbs

Cryptographic Hash Functions

md5 3632891b5b23fed489326b9c326098a4
sha1 b9a3f4ef34b9fdd1856f86633d6e7d8e86acaa76
sha256 6042a95fada8a827ad2795d68ba45be859f6737c9159a35ad8c7631d2a54bde5
sha512 f69c4dea9ce68604ba3fd95fc0be39fad29f5592161237d207f98a953db27871eae5f22a31e76aa1184e99388bf3bd6c20ce48173052a466b091bf1b07ef1a92
ripemd-160 915f57cc45661a4607abc21a0b42fdb865daa501

66561688 as geometric shapes

Circle

Radius = n
Diameter 133123376
Circumference 418219420.06267
Area 1.3918695276876E+16

Sphere

Radius = n
Volume 1.2352691365153E+24
Surface area 5.5674781107505E+16
Circumference 418219420.06267

Square

Length = n
Perimeter 266246752
Area 4430458309409344
Diagonal 94132441.904047

Cube

Length = n
Surface area 26582749856456064
Volume 2.9489878368791E+23
Space diagonal 115288225.45355

Equilateral Triangle

Length = n
Perimeter 199685064
Area 1.9184447231782E+15
Altitude 57644112.726774

Triangular Pyramid

Length = n
Surface area 1.9184447231782E+15
Volume 3.4754154951565E+22
Height 31377480.634682