661749087 (number)

661749087 is an odd 9-digits composite number following 661749086 and preceding 661749088. In scientific notation, it is written as 6.61749087 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 435623232 positive integers (up to 661749087) that are relatively prime to 661749087.

Interesting facts

Basic properties

Name

Name six hundred sixty-one million seven hundred forty-nine thousand eighty-seven

Notation

Scientific notation 6.61749087 × 10^8
Engineering notation 6.61749087 × 10^6

Prime Factorization of 661749087

Prime Factorization 3 × 89 × 1123 × 2207

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 661749087
Product of the distinct prime numbers

The prime factorization of 661749087 is 3 × 89 × 1123 × 2207. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 16, 3, 845, 495, 8945, 3442, 19174, 59673, 590998, 530183, 1632206, 330341, 24125105, 84626317, 787236032, 292271383, 3149406988, 7030468507

Basic calculations (n = 661749087)

Multiplication

n×y
n×2 1323498174
n×3 1985247261
n×4 2646996348
n×5 3308745435

Division

n÷y
n÷2 330874543.5
n÷3 220583029
n÷3 165437271.75
n÷5 132349817.4

Exponentiation

ny
n2 437911854145333569
n3 2.8978776966715E+26
n4 1.91766792001E+35
n5 1.2690149952358E+44

Nth Root

y√n
2√n 25724.48419308
3√n 871.42721086157
4√n 160.38854133971
5√n 58.094988511381

Divisors of 661749087

1, 3, 89, 267, 1123, 2207, 3369, 6621, 99947, 196423, 299841, 589269, 2478461, 7435383, 220583029, 661749087

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 -661749086
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 661749087 can be divided by 16 positive divisors. The sum of these divisors (counting 661749087) is 1, the average is 0.0625.

Base conversion 661749087

Base System Value
2 Binary 100111011100010111110101011111
3 Ternary 1201010012100002110
4 Quaternary 213130113311133
5 Quinary 2323401432322
6 Senary 145355325103
8 Octal 4734276537
10 Decimal 661749087
12 Duodecimal 165750793
16 Hexadecimal 27717d5f
20 Vigesimal a6fice7
36 Base36 axzkv3

Cryptographic Hash Functions

md5 b789b9b19e2963a2ee5a745db697be65
sha1 0b2854b0872a062a1aaae9860db4dec82ccf2a11
sha256 4e5429cd20c86b9befb8a35d423df53e04abaeb51a5620e3b4dacc84e59cf265
sha512 82bf0553543dd4da54820fe9e85b7eadc3baf06bf35287ed9f1cd82e368f606fbe6b0fe1fb0ac2ce449edff97f4ce3cbfc2e2e9bd1fd546cd0deea9dda422ec5
ripemd-160 8b1e495521ea1ee33ce39abcb0b92e50e1414059

661749087 as geometric shapes

Circle

Radius = n
Diameter 1323498174
Circumference 4157892140.4779
Area 1.3757406639029E+18

Sphere

Radius = n
Volume 1.2138601710487E+27
Surface area 5.5029626556115E+18
Circumference 4157892140.4779

Square

Length = n
Perimeter 2646996348
Area 437911854145333569
Diagonal 935854533.72341

Cube

Length = n
Surface area 2627471124872001414
Volume 2.8978776966715E+26
Space diagonal 1146183040.5463

Equilateral Triangle

Length = n
Perimeter 1985247261
Area 1.896213951541E+17
Altitude 573091520.27316

Triangular Pyramid

Length = n
Surface area 1.896213951541E+17
Volume 3.4151816172761E+25
Height 311951511.24114