66561937 (number)

66561937 is an odd 8-digits composite number following 66561936 and preceding 66561938. In scientific notation, it is written as 6.6561937 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 61194000 positive integers (up to 66561937) that are relatively prime to 66561937.

Interesting facts

Basic properties

Name

Name sixty-six million five hundred sixty-one thousand nine hundred thirty-seven

Notation

Scientific notation 6.6561937 × 10^7
Engineering notation 6.6561937 × 10^6

Prime Factorization of 66561937

Prime Factorization 13 × 251 × 20399

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66561937
Product of the distinct prime numbers

The prime factorization of 66561937 is 13 × 251 × 20399. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66561937)

Multiplication

n×y
n×2 133123874
n×3 199685811
n×4 266247748
n×5 332809685

Division

n÷y
n÷2 33280968.5
n÷3 22187312.333333
n÷3 16640484.25
n÷5 13312387.4

Exponentiation

ny
n2 4430491457191969
n3 2.9490209325265E+23
n4 1.9629254552251E+31
n5 1.3065612048639E+39

Nth Root

y√n
2√n 8158.5499324328
3√n 405.2676927595
4√n 90.324691709592
5√n 36.698236095893

Divisors of 66561937

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 -66561936
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 66561937 can be divided by 8 positive divisors. The sum of these divisors (counting 66561937) is 1, the average is 0.125.

Base conversion 66561937

Base System Value
2 Binary 11111101111010011110010001
3 Ternary 11122020200210221
4 Quaternary 3331322132101
5 Quinary 114014440222
6 Senary 10334353041
8 Octal 375723621
10 Decimal 66561937
12 Duodecimal 1a35b781
16 Hexadecimal 3f7a791
20 Vigesimal 10g04gh
36 Base36 13mnip

Cryptographic Hash Functions

md5 64da2b51aab6063fa572d3103b14c7e9
sha1 4b45daa96409dc7ce810b792454f9cafe212dcb7
sha256 1d8d843a6b415b482e7305195433416c433e5ccf798381b9b0283ba4be7621a6
sha512 4cce20671797f9abbcdf89c334c3c5e8a1fdd0da6de6ffd05a6ecf654961d41a62d88c56d4fa7ff6b266a3fba6b6fd0bc4e73c036e7759a48338284fc34cfd2c
ripemd-160 8e03df236e50b218f53ba5df72f9a4b4bf1a32fd

66561937 as geometric shapes

Circle

Radius = n
Diameter 133123874
Circumference 418220984.57581
Area 1.3918799413707E+16

Sphere

Radius = n
Volume 1.2352829995877E+24
Surface area 5.5675197654827E+16
Circumference 418220984.57581

Square

Length = n
Perimeter 266247748
Area 4430491457191969
Diagonal 94132794.043224

Cube

Length = n
Surface area 26582948743151814
Volume 2.9490209325265E+23
Space diagonal 115288656.7342

Equilateral Triangle

Length = n
Perimeter 199685811
Area 1.9184590765891E+15
Altitude 57644328.367099

Triangular Pyramid

Length = n
Surface area 1.9184590765891E+15
Volume 3.4754544987509E+22
Height 31377598.014408