649804921 (number)

649804921 is an odd 9-digits composite number following 649804920 and preceding 649804922. In scientific notation, it is written as 6.49804921 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 615604644 positive integers (up to 649804921) that are relatively prime to 649804921.

Interesting facts

Basic properties

Name

Name six hundred forty-nine million eight hundred four thousand nine hundred twenty-one

Notation

Scientific notation 6.49804921 × 10^8
Engineering notation 6.49804921 × 10^6

Prime Factorization of 649804921

Prime Factorization 19 × 34200259

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 649804921
Product of the distinct prime numbers

The prime factorization of 649804921 is 19 × 34200259. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 97, 91, 43, 779, 4442, 4985, 36842, 43761, 600657, 868032, 6779931, 952861, 58743342, 34331976, 938866984, 866703455, 630131624, 8281866062

Basic calculations (n = 649804921)

Multiplication

n×y
n×2 1299609842
n×3 1949414763
n×4 2599219684
n×5 3249024605

Division

n÷y
n÷2 324902460.5
n÷3 216601640.33333
n÷3 162451230.25
n÷5 129960984.2

Exponentiation

ny
n2 422246435355816241
n3 2.7437781156892E+26
n4 1.7829205217069E+35
n5 1.1585505287571E+44

Nth Root

y√n
2√n 25491.271466916
3√n 866.15243766572
4√n 159.65986179036
5√n 57.883742010328

Divisors of 649804921

1, 19, 34200259, 649804921

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 -649804920
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 649804921 can be divided by 4 positive divisors. The sum of these divisors (counting 649804921) is 1, the average is 0.25.

Base conversion 649804921

Base System Value
2 Binary 100110101110110011110001111001
3 Ternary 1200021201111202221
4 Quaternary 212232303301321
5 Quinary 2312322224141
6 Senary 144251324041
8 Octal 4656636171
10 Decimal 649804921
12 Duodecimal 161750621
16 Hexadecimal 26bb3c79
20 Vigesimal a315c61
36 Base36 aqvkop

Cryptographic Hash Functions

md5 539c37d28ad2f05ff2de43ba8d985a15
sha1 86c71ff008e51f48a3e6c78482c44676166482eb
sha256 6b7db669fff8c623ddea4d88c486683c9968a9e0a6a4c24dac66bef6b1788691
sha512 69763083f3f0520f0bb575352e0fa7045cc4e0ace33eedcba80e4f785ff7527b2a08c2896a8afceabff39e125291b6fe6af53566f01cc3c044cc74477f9015a2
ripemd-160 ed78d268d77272c0da2d49ddc25c51576675da0f

649804921 as geometric shapes

Circle

Radius = n
Diameter 1299609842
Circumference 4082844732.1602
Area 1.3265262993183E+18

Sphere

Radius = n
Volume 1.1493110895106E+27
Surface area 5.3061051972732E+18
Circumference 4082844732.1602

Square

Length = n
Perimeter 2599219684
Area 422246435355816241
Diagonal 918962932.17498

Cube

Length = n
Surface area 2533478612134897446
Volume 2.7437781156892E+26
Space diagonal 1125495138.1803

Equilateral Triangle

Length = n
Perimeter 1949414763
Area 1.8283806983778E+17
Altitude 562747569.09014

Triangular Pyramid

Length = n
Surface area 1.8283806983778E+17
Volume 3.2335735194584E+25
Height 306320977.39166