661489730 (number)

661489730 is an even 9-digits composite number following 661489729 and preceding 661489731. In scientific notation, it is written as 6.61489730 × 10^8. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 239595520 positive integers (up to 661489730) that are relatively prime to 661489730.

Interesting facts

Basic properties

Name

Name six hundred sixty-one million four hundred eighty-nine thousand seven hundred thirty

Notation

Scientific notation 6.61489730 × 10^8
Engineering notation 6.61489730 × 10^6

Prime Factorization of 661489730

Prime Factorization 2 × 55 × 257 × 23399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 661489730
Product of the distinct prime numbers

The prime factorization of 661489730 is 2 × 55 × 257 × 23399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 60, 84, 495, 774, 2453, 6483, 20787, 11221, 838555, 284584, 4338565, 844246, 43094410, 97066273, 258722613, 141151330, 8148126176, 3550324101

Basic calculations (n = 661489730)

Multiplication

n×y
n×2 1322979460
n×3 1984469190
n×4 2645958920
n×5 3307448650

Division

n÷y
n÷2 330744865
n÷3 220496576.66667
n÷3 165372432.5
n÷5 132297946

Exponentiation

ny
n2 437568662895472900
n3 2.8944717667519E+26
n4 1.9146633474813E+35
n5 1.2665301407663E+44

Nth Root

y√n
2√n 25719.442645594
3√n 871.31335084799
4√n 160.37282389979
5√n 58.090434004272

Divisors of 661489730

1, 2, 55, 110, 257, 514, 14135, 23399, 28270, 46798, 1286945, 2573890, 6013543, 12027086, 330744865, 661489730

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 -661489729
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 661489730 can be divided by 16 positive divisors. The sum of these divisors (counting 661489730) is 1, the average is 0.0625.

Base conversion 661489730

Base System Value
2 Binary 100111011011011000100001000010
3 Ternary 1201002201011022122
4 Quaternary 213123120201002
5 Quinary 2323320132410
6 Senary 145350004242
8 Octal 4733304102
10 Decimal 661489730
12 Duodecimal 165646682
16 Hexadecimal 276d8842
20 Vigesimal a6e646a
36 Base36 axu0qq

Cryptographic Hash Functions

md5 2cc0254f12d7add05b4988136646006b
sha1 3d8377e046c29c0722a03b738c3936c59f004e1b
sha256 e94e013602126b71346e71f2ff1138d105b66aca2658cd814f396bc06a37b7da
sha512 caf1dd019cbe77aac2efa701a4c1e783ae503082aedeed75947798d984656cc74f54b352b6a554af84d8c289483d8e44f761cd9b661e6b085b0df8c980e612f4
ripemd-160 f521ee58928cd75c18133cf89d1c23ab3bc59244

661489730 as geometric shapes

Circle

Radius = n
Diameter 1322979460
Circumference 4156262552.3862
Area 1.3746624967935E+18

Sphere

Radius = n
Volume 1.2124334984601E+27
Surface area 5.4986499871741E+18
Circumference 4156262552.3862

Square

Length = n
Perimeter 2645958920
Area 437568662895472900
Diagonal 935487747.53652

Cube

Length = n
Surface area 2625411977372837400
Volume 2.8944717667519E+26
Space diagonal 1145733821.045

Equilateral Triangle

Length = n
Perimeter 1984469190
Area 1.8947278898373E+17
Altitude 572866910.52251

Triangular Pyramid

Length = n
Surface area 1.8947278898373E+17
Volume 3.4111676903721E+25
Height 311829249.17884