660993985 (number)

660993985 is an odd 9-digits composite number following 660993984 and preceding 660993986. In scientific notation, it is written as 6.60993985 × 10^8. The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors. There are 522547200 positive integers (up to 660993985) that are relatively prime to 660993985.

Interesting facts

Basic properties

Name

Name six hundred sixty million nine hundred ninety-three thousand nine hundred eighty-five

Notation

Scientific notation 6.60993985 × 10^8
Engineering notation 6.60993985 × 10^6

Prime Factorization of 660993985

Prime Factorization 5 × 433 × 109 × 2801

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 660993985
Product of the distinct prime numbers

The prime factorization of 660993985 is 5 × 433 × 109 × 2801. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 660993985)

Multiplication

n×y
n×2 1321987970
n×3 1982981955
n×4 2643975940
n×5 3304969925

Division

n÷y
n÷2 330496992.5
n÷3 220331328.33333
n÷3 165248496.25
n÷5 132198797

Exponentiation

ny
n2 436913048206180225
n3 2.887968968323E+26
n4 1.9089301169282E+35
n5 1.2617913250749E+44

Nth Root

y√n
2√n 25709.803285906
3√n 871.0956315755
4√n 160.34276811227
5√n 58.081724366703

Divisors of 660993985

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 -660993984
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 660993985 can be divided by 16 positive divisors. The sum of these divisors (counting 660993985) is 1, the average is 0.0625.

Base conversion 660993985

Base System Value
2 Binary 100111011001011111011111000001
3 Ternary 1201001202222021201
4 Quaternary 213121133133001
5 Quinary 2323203301420
6 Senary 145331221201
8 Octal 4731373701
10 Decimal 660993985
12 Duodecimal 165447801
16 Hexadecimal 2765f7c1
20 Vigesimal a6b44j5
36 Base36 axje81

Cryptographic Hash Functions

md5 0c03c4f8e5f9e9f30ea5ecc4f1c7b3df
sha1 abad5adef668614a56905a7ac52cbe9ff04b5786
sha256 9d9321dde474accf5807a11c18588d35ecbf930c7cdd87d39f9c7798e37943c2
sha512 92cff227e82616d29f2fdda9caa8a472d1b17a992984e8b3f23a07bb26856955eb4dd6d36f21e3b87717c0398e652c24f9e63655dec53050c2c9942aae7b8f88
ripemd-160 ba28f2d84d522b4693b614db32d36b2cc8959715

660993985 as geometric shapes

Circle

Radius = n
Diameter 1321987970
Circumference 4153147694.6861
Area 1.3726028225021E+18

Sphere

Radius = n
Volume 1.2097096126238E+27
Surface area 5.4904112900082E+18
Circumference 4153147694.6861

Square

Length = n
Perimeter 2643975940
Area 436913048206180225
Diagonal 934786658.23404

Cube

Length = n
Surface area 2621478289237081350
Volume 2.887968968323E+26
Space diagonal 1144875165.5174

Equilateral Triangle

Length = n
Perimeter 1982981955
Area 1.8918889949572E+17
Altitude 572437582.75871

Triangular Pyramid

Length = n
Surface area 1.8918889949572E+17
Volume 3.4035040689292E+25
Height 311595552.74468