661618488 (number)

661618488 is an even 9-digits composite number following 661618487 and preceding 661618489. In scientific notation, it is written as 6.61618488 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 16 positive divisors. There are 220539488 positive integers (up to 661618488) that are relatively prime to 661618488.

Interesting facts

Basic properties

Name

Name six hundred sixty-one million six hundred eighteen thousand four hundred eighty-eight

Notation

Scientific notation 6.61618488 × 10^8
Engineering notation 6.61618488 × 10^6

Prime Factorization of 661618488

Prime Factorization 2 × 2 × 2 × 3 × 27567437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 165404622
Product of the distinct prime numbers

The prime factorization of 661618488 is 2 × 2 × 2 × 3 × 27567437. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 661618488)

Multiplication

n×y
n×2 1323236976
n×3 1984855464
n×4 2646473952
n×5 3308092440

Division

n÷y
n÷2 330809244
n÷3 220539496
n÷3 165404622
n÷5 132323697.6

Exponentiation

ny
n2 437739023663406144
n3 2.8961623097478E+26
n4 1.9161545283779E+35
n5 1.2677632618398E+44

Nth Root

y√n
2√n 25721.945649581
3√n 871.36988046643
4√n 160.3806274136
5√n 58.092695271673

Divisors of 661618488

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 -661618487
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 661618488 can be divided by 16 positive divisors. The sum of these divisors (counting 661618488) is 1, the average is 0.0625.

Base conversion 661618488

Base System Value
2 Binary 100111011011110111111100111000
3 Ternary 1201002221200221110
4 Quaternary 213123313330320
5 Quinary 2323333242423
6 Senary 145352440320
8 Octal 4733677470
10 Decimal 661618488
12 Duodecimal 1656a90a0
16 Hexadecimal 276f7f38
20 Vigesimal a6f2648
36 Base36 axws3c

Cryptographic Hash Functions

md5 f38890b16f00efa33171588851c67197
sha1 c3a681b797491aae516ba058a6bf12ddc27955aa
sha256 bcbfcb965158bdd6ab406411fd3ad07dc48b8bb81e00eb1a389c715d3a6a6ccb
sha512 bd4d2322bf0519e6c15f23232994904b59e010dfc0dd7af8047ef50002ade58b8150f478a50db8428455af602149856f10d784f702f99d621e38e8a6eb6c4353
ripemd-160 ef60fef25a3bc67577d53ca644421bbd0cec5193

661618488 as geometric shapes

Circle

Radius = n
Diameter 1323236976
Circumference 4157071562.76
Area 1.3751977009305E+18

Sphere

Radius = n
Volume 1.2131416314543E+27
Surface area 5.5007908037221E+18
Circumference 4157071562.76

Square

Length = n
Perimeter 2646473952
Area 437739023663406144
Diagonal 935669838.84638

Cube

Length = n
Surface area 2626434141980436864
Volume 2.8961623097478E+26
Space diagonal 1145956836.4429

Equilateral Triangle

Length = n
Perimeter 1984855464
Area 1.8954655736015E+17
Altitude 572978418.22145

Triangular Pyramid

Length = n
Surface area 1.8954655736015E+17
Volume 3.4131600143993E+25
Height 311889946.28213