66561618 (number)

66561618 is an even 8-digits composite number following 66561617 and preceding 66561619. In scientific notation, it is written as 6.6561618 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 22102320 positive integers (up to 66561618) that are relatively prime to 66561618.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6561618 × 10^7
Engineering notation 6.6561618 × 10^6

Prime Factorization of 66561618

Prime Factorization 2 × 3 × 263 × 42181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66561618
Product of the distinct prime numbers

The prime factorization of 66561618 is 2 × 3 × 263 × 42181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 47, 24, 863, 708, 216, 6583, 17884, 9571, 184691, 207247, 2642057, 5224042, 75675212, 4430938, 661223339, 225542009, 4991746880, 856670233

Basic calculations (n = 66561618)

Multiplication

n×y
n×2 133123236
n×3 199684854
n×4 266246472
n×5 332808090

Division

n÷y
n÷2 33280809
n÷3 22187206
n÷3 16640404.5
n÷5 13312323.6

Exponentiation

ny
n2 4430448990777924
n3 2.9489785329265E+23
n4 1.9628878259885E+31
n5 1.306529896503E+39

Nth Root

y√n
2√n 8158.5303823667
3√n 405.26704533943
4√n 90.324583488476
5√n 36.698200920355

Divisors of 66561618

1, 2, 3, 6, 263, 526, 789, 1578, 42181, 84362, 126543, 253086, 11093603, 22187206, 33280809, 66561618

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66561617
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66561618 can be divided by 16 positive divisors. The sum of these divisors (counting 66561618) is 1, the average is 0.0625.

Base conversion 66561618

Base System Value
2 Binary 11111101111010011001010010
3 Ternary 11122020200101010
4 Quaternary 3331322121102
5 Quinary 114014432433
6 Senary 10334351350
8 Octal 375723122
10 Decimal 66561618
12 Duodecimal 1a35b556
16 Hexadecimal 3f7a652
20 Vigesimal 10g040i
36 Base36 13mn9u

Cryptographic Hash Functions

md5 f4f659314856c6b0272a5e94a198a28f
sha1 410a5c88b8790410d87672e02e1e6b30bb6da472
sha256 9ae7d7de24dcc1f180079416417a4dd74b4d2ca8b2095636a49377a69818b2b7
sha512 9bcb502982d766cd458288adbbd2b2bc9c8e831b62aba94a56cde4f05ddd907aba8b46bd596cb713a7786504089b0745f7b17bf690a3a16f6aeddf819abaabf9
ripemd-160 294e4769086e25697eaa41161a9b705d5fec04b5

66561618 as geometric shapes

Circle

Radius = n
Diameter 133123236
Circumference 418218980.2397
Area 1.3918666001532E+16

Sphere

Radius = n
Volume 1.2352652392848E+24
Surface area 5.5674664006129E+16
Circumference 418218980.2397

Square

Length = n
Perimeter 266246472
Area 4430448990777924
Diagonal 94132342.909097

Cube

Length = n
Surface area 26582693944667544
Volume 2.9489785329265E+23
Space diagonal 115288104.20999

Equilateral Triangle

Length = n
Perimeter 199684854
Area 1.9184406880924E+15
Altitude 57644052.104996

Triangular Pyramid

Length = n
Surface area 1.9184406880924E+15
Volume 3.4754045303431E+22
Height 31377447.636366