660991749 (number)

660991749 is an odd 9-digits composite number following 660991748 and preceding 660991750. In scientific notation, it is written as 6.60991749 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 400601040 positive integers (up to 660991749) that are relatively prime to 660991749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.60991749 × 10^8
Engineering notation 6.60991749 × 10^6

Prime Factorization of 660991749

Prime Factorization 3 × 11 × 20030053

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 660991749
Product of the distinct prime numbers

The prime factorization of 660991749 is 3 × 11 × 20030053. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 69, 72, 342, 272, 7748, 3409, 92797, 69313, 980484, 515461, 9920676, 5313342, 3104305, 76230336, 443788422, 354189121, 3616145861, 9809421917

Basic calculations (n = 660991749)

Multiplication

n×y
n×2 1321983498
n×3 1982975247
n×4 2643966996
n×5 3304958745

Division

n÷y
n÷2 330495874.5
n÷3 220330583
n÷3 165247937.25
n÷5 132198349.8

Exponentiation

ny
n2 436910092246079001
n3 2.8879396602949E+26
n4 1.9089042870648E+35
n5 1.2617699833805E+44

Nth Root

y√n
2√n 25709.759800512
3√n 871.09464933155
4√n 160.34263251086
5√n 58.081685071062

Divisors of 660991749

1, 3, 11, 33, 20030053, 60090159, 220330583, 660991749

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -660991748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 660991749 can be divided by 8 positive divisors. The sum of these divisors (counting 660991749) is 1, the average is 0.125.

Base conversion 660991749

Base System Value
2 Binary 100111011001011110111100000101
3 Ternary 1201001202212012220
4 Quaternary 213121132330011
5 Quinary 2323203213444
6 Senary 145331202553
8 Octal 4731367405
10 Decimal 660991749
12 Duodecimal 165446459
16 Hexadecimal 2765ef05
20 Vigesimal a6b3j79
36 Base36 axjchx

Cryptographic Hash Functions

md5 644ef38a72ee09b482eb68aa443534f4
sha1 5e72fb8a3796afd5dd2ba420f8d08b3b0a9388f0
sha256 f0eddcbd6f3cc9d43f8d1925ca6e0f3461205ca9886ad7819a2fa35da873ccc0
sha512 12ad32ad44bb29e5f51529078f618c413cf68727536127096c0052bd27ef2dc2c7e28e6f41e76557efef1f739fadc96d8376278c00a5b506cf5db5056d7cf62f
ripemd-160 f6555e6ce17fcf5864e9acbd95883083a903dd70

660991749 as geometric shapes

Circle

Radius = n
Diameter 1321983498
Circumference 4153133645.4837
Area 1.3725935360795E+18

Sphere

Radius = n
Volume 1.2096973361057E+27
Surface area 5.4903741443181E+18
Circumference 4153133645.4837

Square

Length = n
Perimeter 2643966996
Area 436910092246079001
Diagonal 934783496.05251

Cube

Length = n
Surface area 2621460553476474006
Volume 2.8879396602949E+26
Space diagonal 1144871292.6518

Equilateral Triangle

Length = n
Perimeter 1982975247
Area 1.8918761952745E+17
Altitude 572435646.32591

Triangular Pyramid

Length = n
Surface area 1.8918761952745E+17
Volume 3.4034695290868E+25
Height 311594498.68417