66561664 (number)

66561664 is an even 8-digits composite number following 66561663 and preceding 66561665. In scientific notation, it is written as 6.6561664 × 10^7. The sum of its digits is 40. It has a total of 10 prime factors and 64 positive divisors. There are 28753920 positive integers (up to 66561664) that are relatively prime to 66561664.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6561664 × 10^7
Engineering notation 6.6561664 × 10^6

Prime Factorization of 66561664

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 17 × 169 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 1040026
Product of the distinct prime numbers

The prime factorization of 66561664 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 17 × 169 × 181. Since it has a total of 10 prime factors.

Most popular turbo-numbers

5, 9, 94, 20, 279, 571, 3575, 4683, 40962, 95122, 244490, 736651, 6916103, 8543650, 68421632, 10563257, 738790186, 597357509, 6800237135, 9631031679

Basic calculations (n = 66561664)

Multiplication

n×y
n×2 133123328
n×3 199684992
n×4 266246656
n×5 332808320

Division

n÷y
n÷2 33280832
n÷3 22187221.333333
n÷3 16640416
n÷5 13312332.8

Exponentiation

ny
n2 4430455114448896
n3 2.9489846469503E+23
n4 1.9628932521146E+31
n5 1.3065344111512E+39

Nth Root

y√n
2√n 8158.5332015014
3√n 405.26713869794
4√n 90.324599094053
5√n 36.698205992698

Divisors of 66561664

1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 169, 181, 272, 338, 362, 544, 676, 724, 1088, 1352, 1448, 2176, 2704, 2873, 2896, 3077, 5408, 5746, 5792, 6154, 10816, 11492, 11584, 12308, 21632, 22984, 23168, 24616, 30589, 45968, 49232, 61178, 91936, 98464, 122356, 183872, 196928, 244712, 367744, 393856, 489424, 520013, 978848, 1040026, 1957696, 2080052, 3915392, 4160104, 8320208, 16640416, 33280832, 66561664

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66561663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66561664 can be divided by 64 positive divisors. The sum of these divisors (counting 66561664) is 1, the average is 0.015625.

Base conversion 66561664

Base System Value
2 Binary 11111101111010011010000000
3 Ternary 11122020200102211
4 Quaternary 3331322122000
5 Quinary 114014433124
6 Senary 10334351504
8 Octal 375723200
10 Decimal 66561664
12 Duodecimal 1a35b594
16 Hexadecimal 3f7a680
20 Vigesimal 10g0434
36 Base36 13mnb4

Cryptographic Hash Functions

md5 46f3819e8adb203d239fe79daa9a45a3
sha1 a5c784c406448448bed9d051334a5e3f4fb001b1
sha256 33c4a9b0d80e7f69ef629887290c912f1ae50e5a5e94989012742ffd3449325a
sha512 db0fa773a7c9f5297bae3c80f9a6100c7fdf61927e35456e692fe2819cbed269fa7d98afb11e8c991cc9ce8587b94452cfb708885497b85c6682f62becc47935
ripemd-160 9a72955622852d7cf93a20fec4fc0ef682244bbb

66561664 as geometric shapes

Circle

Radius = n
Diameter 133123328
Circumference 418219269.26622
Area 1.3918685239612E+16

Sphere

Radius = n
Volume 1.2352678003211E+24
Surface area 5.5674740958448E+16
Circumference 418219269.26622

Square

Length = n
Perimeter 266246656
Area 4430455114448896
Diagonal 94132407.962921

Cube

Length = n
Surface area 26582730686693376
Volume 2.9489846469503E+23
Space diagonal 115288183.88433

Equilateral Triangle

Length = n
Perimeter 199684992
Area 1.9184433397197E+15
Altitude 57644091.942164

Triangular Pyramid

Length = n
Surface area 1.9184433397197E+15
Volume 3.4754117357893E+22
Height 31377469.320974