668702987 (number)

668702987 is an odd 9-digits composite number following 668702986 and preceding 668702988. In scientific notation, it is written as 6.68702987 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 668649696 positive integers (up to 668702987) that are relatively prime to 668702987.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million seven hundred two thousand nine hundred eighty-seven

Notation

Scientific notation 6.68702987 × 10^8
Engineering notation 6.68702987 × 10^6

Prime Factorization of 668702987

Prime Factorization 20219 × 33073

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668702987
Product of the distinct prime numbers

The prime factorization of 668702987 is 20219 × 33073. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 91, 3, 141, 266, 9178, 7287, 87217, 68256, 876654, 809917, 4135582, 1064293, 6395891, 8936135, 317571841, 157912699, 686256404, 3465506607

Basic calculations (n = 668702987)

Multiplication

n×y
n×2 1337405974
n×3 2006108961
n×4 2674811948
n×5 3343514935

Division

n÷y
n÷2 334351493.5
n÷3 222900995.66667
n÷3 167175746.75
n÷5 133740597.4

Exponentiation

ny
n2 447163684822722169
n3 2.9901969171888E+26
n4 1.9995536102423E+35
n5 1.3371074718357E+44

Nth Root

y√n
2√n 25859.292082344
3√n 874.46900550419
4√n 160.80824631325
5√n 58.216575161393

Divisors of 668702987

1, 20219, 33073, 668702987

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668702986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668702987 can be divided by 4 positive divisors. The sum of these divisors (counting 668702987) is 1, the average is 0.25.

Base conversion 668702987

Base System Value
2 Binary 100111110110111001100100001011
3 Ternary 1201121021122001022
4 Quaternary 213312321210023
5 Quinary 2332141443422
6 Senary 150204343055
8 Octal 4766714413
10 Decimal 668702987
12 Duodecimal 167b44a8b
16 Hexadecimal 27db990b
20 Vigesimal a8j7h97
36 Base36 b24miz

Cryptographic Hash Functions

md5 5ee84211ecebff8d4681a5608cf6d292
sha1 ee522d1f4402e8bba27b3d4469d3c158be70f95d
sha256 7fc942a959b18d020eb378f23e59b85b39b3049691e4b343ec8702db6647a120
sha512 d55f5f03dc90b04fba0ad1df923d93c8bf3f487c0881348b4e4ec9c05b563e101598080ec7d1dd20bbff4544fcad1e663a3e0b0b7fb45f36ec8cf10df4b76637
ripemd-160 83b9a55ef99115a5048040a5285e00f490be25ad

668702987 as geometric shapes

Circle

Radius = n
Diameter 1337405974
Circumference 4201584782.7855
Area 1.4048061471912E+18

Sphere

Radius = n
Volume 1.2525307557103E+27
Surface area 5.6192245887648E+18
Circumference 4201584782.7855

Square

Length = n
Perimeter 2674811948
Area 447163684822722169
Diagonal 945688833.4148

Cube

Length = n
Surface area 2682982108936333014
Volume 2.9901969171888E+26
Space diagonal 1158227548.6571

Equilateral Triangle

Length = n
Perimeter 2006108961
Area 1.9362755535317E+17
Altitude 579113774.32854

Triangular Pyramid

Length = n
Surface area 1.9362755535317E+17
Volume 3.5239808620455E+25
Height 315229611.13827