645048909 (number)

645048909 is an odd 9-digits composite number following 645048908 and preceding 645048910. In scientific notation, it is written as 6.45048909 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 429421824 positive integers (up to 645048909) that are relatively prime to 645048909.

Interesting facts

Basic properties

Name

Name six hundred forty-five million forty-eight thousand nine hundred nine

Notation

Scientific notation 6.45048909 × 10^8
Engineering notation 6.45048909 × 10^6

Prime Factorization of 645048909

Prime Factorization 3 × 3 × 709 × 101089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 215016303
Product of the distinct prime numbers

The prime factorization of 645048909 is 3 × 3 × 709 × 101089. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 39, 30, 350, 83, 1756, 6714, 96405, 1767, 15928, 52712, 1441211, 6172967, 37561046, 28456595, 530706777, 264796342, 6710094583, 1013885370

Basic calculations (n = 645048909)

Multiplication

n×y
n×2 1290097818
n×3 1935146727
n×4 2580195636
n×5 3225244545

Division

n÷y
n÷2 322524454.5
n÷3 215016303
n÷3 161262227.25
n÷5 129009781.8

Exponentiation

ny
n2 416088095002090281
n3 2.6839717172899E+26
n4 1.7312930280247E+35
n5 1.1167686788866E+44

Nth Root

y√n
2√n 25397.813075145
3√n 864.03409796628
4√n 159.36691336393
5√n 57.79876102867

Divisors of 645048909

1, 3, 9, 709, 2127, 6381, 101089, 303267, 909801, 71672101, 215016303, 645048909

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -645048908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 645048909 can be divided by 12 positive divisors. The sum of these divisors (counting 645048909) is 1, the average is 0.083333333333333.

Base conversion 645048909

Base System Value
2 Binary 100110011100101010101001001101
3 Ternary 1122221202212202100
4 Quaternary 212130222221031
5 Quinary 2310113031114
6 Senary 144001345313
8 Octal 4634525115
10 Decimal 645048909
12 Duodecimal 160038239
16 Hexadecimal 2672aa4d
20 Vigesimal a1bb259
36 Base36 ao1mx9

Cryptographic Hash Functions

md5 e87f046511839a8a55ed0049469bb5b4
sha1 01fe5e2da9b6238c33822a7ad027a7b23d844273
sha256 f4092037d34e12a3242c9c2822eeacb12c5f6a0d219f1615df52b577f98f4f61
sha512 5e1e01c37203840c098e165c71d7f6be0daf75f04f527f655311310e0144f316e288ee668c3bb20581b80cb51db5224f8da282fbff1cbe33fce3c5d58dc10747
ripemd-160 97a874f1facb68e93e2fbf1e9629c126535616c4

645048909 as geometric shapes

Circle

Radius = n
Diameter 1290097818
Circumference 4052961827.441
Area 1.3071793025047E+18

Sphere

Radius = n
Volume 1.1242594439308E+27
Surface area 5.228717210019E+18
Circumference 4052961827.441

Square

Length = n
Perimeter 2580195636
Area 416088095002090281
Diagonal 912236915.50177

Cube

Length = n
Surface area 2496528570012541686
Volume 2.6839717172899E+26
Space diagonal 1117257483.7549

Equilateral Triangle

Length = n
Perimeter 1935146727
Area 1.8017143024204E+17
Altitude 558628741.87744

Triangular Pyramid

Length = n
Surface area 1.8017143024204E+17
Volume 3.1630910030143E+25
Height 304078971.83392