660991639 (number)

660991639 is an odd 9-digits composite number following 660991638 and preceding 660991640. In scientific notation, it is written as 6.60991639 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 514654560 positive integers (up to 660991639) that are relatively prime to 660991639.

Interesting facts

Basic properties

Name

Name six hundred sixty million nine hundred ninety-one thousand six hundred thirty-nine

Notation

Scientific notation 6.60991639 × 10^8
Engineering notation 6.60991639 × 10^6

Prime Factorization of 660991639

Prime Factorization 7 × 11 × 1709 × 5023

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 660991639
Product of the distinct prime numbers

The prime factorization of 660991639 is 7 × 11 × 1709 × 5023. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 63, 24, 139, 478, 3115, 9055, 83918, 80023, 696666, 679952, 8731852, 1163394, 43984589, 22734115, 960896677, 281355953, 1982186988, 1834378370

Basic calculations (n = 660991639)

Multiplication

n×y
n×2 1321983278
n×3 1982974917
n×4 2643966556
n×5 3304958195

Division

n÷y
n÷2 330495819.5
n÷3 220330546.33333
n÷3 165247909.75
n÷5 132198327.8

Exponentiation

ny
n2 436909946827906321
n3 2.8879382184918E+26
n4 1.9089030163716E+35
n5 1.2617689334835E+44

Nth Root

y√n
2√n 25709.757661246
3√n 871.09460101001
4√n 160.34262583994
5√n 58.081683137911

Divisors of 660991639

1, 7, 11, 77, 1709, 5023, 11963, 18799, 35161, 55253, 131593, 386771, 8584307, 60090149, 94427377, 660991639

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 -660991638
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 660991639 can be divided by 16 positive divisors. The sum of these divisors (counting 660991639) is 1, the average is 0.0625.

Base conversion 660991639

Base System Value
2 Binary 100111011001011110111010010111
3 Ternary 1201001202212001211
4 Quaternary 213121132322113
5 Quinary 2323203213024
6 Senary 145331202251
8 Octal 4731367227
10 Decimal 660991639
12 Duodecimal 165446387
16 Hexadecimal 2765ee97
20 Vigesimal a6b3j1j
36 Base36 axjcev

Cryptographic Hash Functions

md5 7013bc60a5c1ee190785b648b48d81a6
sha1 9dce299736e3b520410d617222c68b78c7c5ff70
sha256 4d78261eb12c62bc5c2c31dd060cedd8ed78bbd5354c9bb940a06aa58c2f84fc
sha512 22ebf51c49c4aa925bd1706525eace3aaa9beb48cc42698ac29f7f24c876b33067b3fe93c81c2be315ef551e23e9d9c24d279da01c8e4595a4db1c87b6ccb315
ripemd-160 13d2f283d651aadef3a25b45154df1d59f08acf9

660991639 as geometric shapes

Circle

Radius = n
Diameter 1321983278
Circumference 4153132954.3334
Area 1.3725930792349E+18

Sphere

Radius = n
Volume 1.2096967321647E+27
Surface area 5.4903723169394E+18
Circumference 4153132954.3334

Square

Length = n
Perimeter 2643966556
Area 436909946827906321
Diagonal 934783340.48902

Cube

Length = n
Surface area 2621459680967437926
Volume 2.8879382184918E+26
Space diagonal 1144871102.1262

Equilateral Triangle

Length = n
Perimeter 1982974917
Area 1.8918755655954E+17
Altitude 572435551.06311

Triangular Pyramid

Length = n
Surface area 1.8918755655954E+17
Volume 3.4034678299056E+25
Height 311594446.82967