813305945 (number)

813305945 is an odd 9-digits composite number following 813305944 and preceding 813305946. In scientific notation, it is written as 8.13305945 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 650644752 positive integers (up to 813305945) that are relatively prime to 813305945.

Interesting facts

Basic properties

Name

Name eight hundred thirteen million three hundred five thousand nine hundred forty-five

Notation

Scientific notation 8.13305945 × 10^8
Engineering notation 8.13305945 × 10^6

Prime Factorization of 813305945

Prime Factorization 5 × 162661189

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 813305945
Product of the distinct prime numbers

The prime factorization of 813305945 is 5 × 162661189. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 61, 6, 476, 240, 7465, 6547, 76995, 20422, 927723, 387461, 9287919, 8610796, 17840438, 32786507, 358906653, 891017331, 3958443886, 8772921225

Basic calculations (n = 813305945)

Multiplication

n×y
n×2 1626611890
n×3 2439917835
n×4 3253223780
n×5 4066529725

Division

n÷y
n÷2 406652972.5
n÷3 271101981.66667
n÷3 203326486.25
n÷5 162661189

Exponentiation

ny
n2 661466560172343025
n3 5.3797468580687E+26
n4 4.3753801022623E+35
n5 3.5585226488047E+44

Nth Root

y√n
2√n 28518.519333935
3√n 933.43622044625
4√n 168.87427078728
5√n 60.541167160315

Divisors of 813305945

1, 5, 162661189, 813305945

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 -813305944
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 813305945 can be divided by 4 positive divisors. The sum of these divisors (counting 813305945) is 1, the average is 0.25.

Base conversion 813305945

Base System Value
2 Binary 110000011110100001000001011001
3 Ternary 2002200101020000102
4 Quaternary 300132201001121
5 Quinary 3131201242240
6 Senary 212411545145
8 Octal 6036410131
10 Decimal 813305945
12 Duodecimal 1a845b1b5
16 Hexadecimal 307a1059
20 Vigesimal ce334h5
36 Base36 dg7yvt

Cryptographic Hash Functions

md5 e8ab46bdadbb3f88addc210fec7ca11e
sha1 8a5f0918e0cee6eea76a48b87913bed400e48ca9
sha256 624fe3677f5176a8119782bc233ef3231fe13842b5c1f2d20aa73fd296523933
sha512 a47057eac9299af7f9cb2cef98a382d06ee8ee771ecc02b9704919266cd1e9c723eb1769395e2edec0785871fb227b7c8897022d724a0360fc04090dd2052287
ripemd-160 34f5823985e31f9e755b915936fcb7fe5577ef43

813305945 as geometric shapes

Circle

Radius = n
Diameter 1626611890
Circumference 5110151963.8658
Area 2.0780584860327E+18

Sphere

Radius = n
Volume 2.2534630943308E+27
Surface area 8.312233944131E+18
Circumference 5110151963.8658

Square

Length = n
Perimeter 3253223780
Area 661466560172343025
Diagonal 1150188297.7777

Cube

Length = n
Surface area 3968799361034058150
Volume 5.3797468580687E+26
Space diagonal 1408687218.8378

Equilateral Triangle

Length = n
Perimeter 2439917835
Area 2.8642342243158E+17
Altitude 704343609.41891

Triangular Pyramid

Length = n
Surface area 2.8642342243158E+17
Volume 6.3400924740123E+25
Height 383396099.25922