649356987 (number)

649356987 is an odd 9-digits composite number following 649356986 and preceding 649356988. In scientific notation, it is written as 6.49356987 × 10^8. The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors. There are 429789960 positive integers (up to 649356987) that are relatively prime to 649356987.

Interesting facts

Basic properties

Name

Name six hundred forty-nine million three hundred fifty-six thousand nine hundred eighty-seven

Notation

Scientific notation 6.49356987 × 10^8
Engineering notation 6.49356987 × 10^6

Prime Factorization of 649356987

Prime Factorization 3 × 139 × 1557211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 649356987
Product of the distinct prime numbers

The prime factorization of 649356987 is 3 × 139 × 1557211. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 649356987)

Multiplication

n×y
n×2 1298713974
n×3 1948070961
n×4 2597427948
n×5 3246784935

Division

n÷y
n÷2 324678493.5
n÷3 216452329
n÷3 162339246.75
n÷5 129871397.4

Exponentiation

ny
n2 421664496565718169
n3 2.7381078701479E+26
n4 1.7780094766402E+35
n5 1.1545628766085E+44

Nth Root

y√n
2√n 25482.483925238
3√n 865.95336853129
4√n 159.63233984766
5√n 57.87575953821

Divisors of 649356987

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 -649356986
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 649356987 can be divided by 8 positive divisors. The sum of these divisors (counting 649356987) is 1, the average is 0.125.

Base conversion 649356987

Base System Value
2 Binary 100110101101000110011010111011
3 Ternary 1200020212202022210
4 Quaternary 212231012122323
5 Quinary 2312213410422
6 Senary 144233550203
8 Octal 4655063273
10 Decimal 649356987
12 Duodecimal 161575363
16 Hexadecimal 26b466bb
20 Vigesimal a2i9c97
36 Base36 aqlz23

Cryptographic Hash Functions

md5 5cb16fcbca32f392a15d927e2fff4560
sha1 fbc8810c2c92306f31f73b5b8ebec980ae1aa2ea
sha256 f3e12d8bbd56045c0f94d07365e2ee05ef1115cf913bcd5c77173440b4d95c4a
sha512 8a7e3af94c8ec837ad01eb8c8ac2dc4ed689f6e5450617ea35ebf1657bf6ea23e7f34903fb803f354294a7df4b7a9ff6864fa77d1e5974160056583fbaed809e
ripemd-160 7688bb30c7a40892ed8a478949602ad97c121d7a

649356987 as geometric shapes

Circle

Radius = n
Diameter 1298713974
Circumference 4080030279.8328
Area 1.3246980846905E+18

Sphere

Radius = n
Volume 1.1469359426124E+27
Surface area 5.298792338762E+18
Circumference 4080030279.8328

Square

Length = n
Perimeter 2597427948
Area 421664496565718169
Diagonal 918329457.83713

Cube

Length = n
Surface area 2529986979394309014
Volume 2.7381078701479E+26
Space diagonal 1124719293.7338

Equilateral Triangle

Length = n
Perimeter 1948070961
Area 1.8258608294994E+17
Altitude 562359646.86692

Triangular Pyramid

Length = n
Surface area 1.8258608294994E+17
Volume 3.226891071003E+25
Height 306109819.27904