245640909 (number)

245640909 is an odd 9-digits composite number following 245640908 and preceding 245640910. In scientific notation, it is written as 2.45640909 × 10^8. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 163760604 positive integers (up to 245640909) that are relatively prime to 245640909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.45640909 × 10^8
Engineering notation 2.45640909 × 10^6

Prime Factorization of 245640909

Prime Factorization 3 × 81880303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 245640909
Product of the distinct prime numbers

The prime factorization of 245640909 is 3 × 81880303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 245640909)

Multiplication

n×y
n×2 491281818
n×3 736922727
n×4 982563636
n×5 1228204545

Division

n÷y
n÷2 122820454.5
n÷3 81880303
n÷3 61410227.25
n÷5 49128181.8

Exponentiation

ny
n2 60339456174346281
n3 1.4821838863232E+25
n4 3.6408499714159E+33
n5 8.9434169651121E+41

Nth Root

y√n
2√n 15672.935557833
3√n 626.27762883034
4√n 125.19159539615
5√n 47.649696541512

Divisors of 245640909

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 -245640908
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 245640909 can be divided by 4 positive divisors. The sum of these divisors (counting 245640909) is 1, the average is 0.25.

Base conversion 245640909

Base System Value
2 Binary 1110101001000010111011001101
3 Ternary 122010012211222110
4 Quaternary 32221002323031
5 Quinary 1000341002114
6 Senary 40212534233
8 Octal 1651027315
10 Decimal 245640909
12 Duodecimal 6a321379
16 Hexadecimal ea42ecd
20 Vigesimal 3gf5259
36 Base36 428xql

Cryptographic Hash Functions

md5 1f77b605e990b7b2795d85a67f59d589
sha1 587e946f8931463b9447510c340fb55fcf9ca46b
sha256 f6e3d006fb5c1b2883269128476f85e33a5941bfa137977dfe6a0eded07e20c5
sha512 97dae4b498176aa81a01e193ff5fcfb665e61eaab7f0bab2845ab83bc8b1e39dc7ddbe427d34237770076cd33f870ad8e2096b268706bb8ec705e617e9f0d022
ripemd-160 8fb9c09d34e35f966edcca5b8ee83e217f9cc47c

245640909 as geometric shapes

Circle

Radius = n
Diameter 491281818
Circumference 1543407350.271
Area 1.8956199223893E+17

Sphere

Radius = n
Volume 6.2085573447229E+25
Surface area 7.5824796895572E+17
Circumference 1543407350.271

Square

Length = n
Perimeter 982563636
Area 60339456174346281
Diagonal 347388704.98146

Cube

Length = n
Surface area 362036737046077686
Volume 1.4821838863232E+25
Space diagonal 425462534.8054

Equilateral Triangle

Length = n
Perimeter 736922727
Area 2.6127750948761E+16
Altitude 212731267.4027

Triangular Pyramid

Length = n
Surface area 2.6127750948761E+16
Volume 1.746770461641E+24
Height 115796234.99382