66561912 (number)

66561912 is an even 8-digits composite number following 66561911 and preceding 66561913. In scientific notation, it is written as 6.6561912 × 10^7. The sum of its digits is 36. It has a total of 8 prime factors and 80 positive divisors. There are 21798720 positive integers (up to 66561912) that are relatively prime to 66561912.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6561912 × 10^7
Engineering notation 6.6561912 × 10^6

Prime Factorization of 66561912

Prime Factorization 2 × 2 × 2 × 3 × 3 × 9 × 59 × 1741

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 5546826
Product of the distinct prime numbers

The prime factorization of 66561912 is 2 × 2 × 2 × 3 × 3 × 9 × 59 × 1741. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66561912)

Multiplication

n×y
n×2 133123824
n×3 199685736
n×4 266247648
n×5 332809560

Division

n÷y
n÷2 33280956
n÷3 22187304
n÷3 16640478
n÷5 13312382.4

Exponentiation

ny
n2 4430488129095744
n3 2.9490176096592E+23
n4 1.9629225062058E+31
n5 1.3065587512089E+39

Nth Root

y√n
2√n 8158.5484002977
3√n 405.26764202132
4√n 90.324683228327
5√n 36.698233339194

Divisors of 66561912

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66561911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66561912 can be divided by 80 positive divisors. The sum of these divisors (counting 66561912) is 1, the average is 0.0125.

Base conversion 66561912

Base System Value
2 Binary 11111101111010011101111000
3 Ternary 11122020200210000
4 Quaternary 3331322131320
5 Quinary 114014440122
6 Senary 10334353000
8 Octal 375723570
10 Decimal 66561912
12 Duodecimal 1a35b760
16 Hexadecimal 3f7a778
20 Vigesimal 10g04fc
36 Base36 13mni0

Cryptographic Hash Functions

md5 6aaf8871d93eac8941406269107b681e
sha1 ab70d13ee6c433c9a630cae5442d49fdf1e826f3
sha256 f29e90764288e46a810f452cf45c8a0eb4b45c08780dd8863f72e44f0d23d241
sha512 24198f97df5b25299507d7b8cbf15f5447bcc60dc3560a1170152a8231d2c52ca93d11b3cfa58b358d88ddb306ced59be2fb4ec4bc9c389893a28441fbecd824
ripemd-160 c51020586858c4e49348cfaa4faa4c8f418f2fd7

66561912 as geometric shapes

Circle

Radius = n
Diameter 133123824
Circumference 418220827.49618
Area 1.3918788958184E+16

Sphere

Radius = n
Volume 1.2352816077083E+24
Surface area 5.5675155832736E+16
Circumference 418220827.49618

Square

Length = n
Perimeter 266247648
Area 4430488129095744
Diagonal 94132758.687884

Cube

Length = n
Surface area 26582928774574464
Volume 2.9490176096592E+23
Space diagonal 115288613.43293

Equilateral Triangle

Length = n
Perimeter 199685736
Area 1.9184576354812E+15
Altitude 57644306.716464

Triangular Pyramid

Length = n
Surface area 1.9184576354812E+15
Volume 3.4754505827142E+22
Height 31377586.229295