66561913 (number)

66561913 is an odd 8-digits composite number following 66561912 and preceding 66561914. In scientific notation, it is written as 6.6561913 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 60461280 positive integers (up to 66561913) that are relatively prime to 66561913.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6561913 × 10^7
Engineering notation 6.6561913 × 10^6

Prime Factorization of 66561913

Prime Factorization 11 × 2777 × 2179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66561913
Product of the distinct prime numbers

The prime factorization of 66561913 is 11 × 2777 × 2179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66561913)

Multiplication

n×y
n×2 133123826
n×3 199685739
n×4 266247652
n×5 332809565

Division

n÷y
n÷2 33280956.5
n÷3 22187304.333333
n÷3 16640478.25
n÷5 13312382.6

Exponentiation

ny
n2 4430488262219569
n3 2.9490177425738E+23
n4 1.9629226241665E+31
n5 1.306558849355E+39

Nth Root

y√n
2√n 8158.5484615831
3√n 405.26764405085
4√n 90.324683567578
5√n 36.698233449462

Divisors of 66561913

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 -66561912
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 66561913 can be divided by 8 positive divisors. The sum of these divisors (counting 66561913) is 1, the average is 0.125.

Base conversion 66561913

Base System Value
2 Binary 11111101111010011101111001
3 Ternary 11122020200210001
4 Quaternary 3331322131321
5 Quinary 114014440123
6 Senary 10334353001
8 Octal 375723571
10 Decimal 66561913
12 Duodecimal 1a35b761
16 Hexadecimal 3f7a779
20 Vigesimal 10g04fd
36 Base36 13mni1

Cryptographic Hash Functions

md5 14feead93ce3f35d4111397d6ef1d4b6
sha1 b2b3e6cd8640428c31585cad65d48bd65c7028ed
sha256 3b53e59696eddf24b4cd8b12b0575d8276c2b9c4b1e79a9ffc0ac6f49b8e3f41
sha512 3e85904325de2717ab0690e15bbd28ce7d4293a61d886194b510fde1138dc40b6b7b09b8af9a0324e5603d70dad82dbf51e983036451cd991ff793a8069cc440
ripemd-160 2e2b7c7e97d098bbc10f576f5c6821476cdf3842

66561913 as geometric shapes

Circle

Radius = n
Diameter 133123826
Circumference 418220833.77937
Area 1.3918789376405E+16

Sphere

Radius = n
Volume 1.2352816633834E+24
Surface area 5.5675157505619E+16
Circumference 418220833.77937

Square

Length = n
Perimeter 266247652
Area 4430488262219569
Diagonal 94132760.102098

Cube

Length = n
Surface area 26582929573317414
Volume 2.9490177425738E+23
Space diagonal 115288615.16498

Equilateral Triangle

Length = n
Perimeter 199685739
Area 1.9184576931255E+15
Altitude 57644307.58249

Triangular Pyramid

Length = n
Surface area 1.9184576931255E+15
Volume 3.4754507393556E+22
Height 31377586.700699