13018905 (number)

13018905 is an odd 8-digits composite number following 13018904 and preceding 13018906. In scientific notation, it is written as 1.3018905 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 6943392 positive integers (up to 13018905) that are relatively prime to 13018905.

Interesting facts

Basic properties

Name

Name thirteen million eighteen thousand nine hundred five

Notation

Scientific notation 1.3018905 × 10^7
Engineering notation 1.3018905 × 10^6

Prime Factorization of 13018905

Prime Factorization 3 × 3 × 5 × 289309

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4339635
Product of the distinct prime numbers

The prime factorization of 13018905 is 3 × 3 × 5 × 289309. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13018905)

Multiplication

n×y
n×2 26037810
n×3 39056715
n×4 52075620
n×5 65094525

Division

n÷y
n÷2 6509452.5
n÷3 4339635
n÷3 3254726.25
n÷5 2603781

Exponentiation

ny
n2 169491887399025
n3 2.2065987803186E+21
n4 2.8727499894084E+28
n5 3.7400059200859E+35

Nth Root

y√n
2√n 3608.1719748371
3√n 235.24739300759
4√n 60.068061187599
5√n 26.479811645684

Divisors of 13018905

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 -13018904
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 13018905 can be divided by 12 positive divisors. The sum of these divisors (counting 13018905) is 1, the average is 0.083333333333333.

Base conversion 13018905

Base System Value
2 Binary 110001101010011100011001
3 Ternary 220111102120200
4 Quaternary 301222130121
5 Quinary 11313101110
6 Senary 1143012413
8 Octal 61523431
10 Decimal 13018905
12 Duodecimal 443a109
16 Hexadecimal c6a719
20 Vigesimal 417755
36 Base36 7r1g9

Cryptographic Hash Functions

md5 bc889505212c3558817bc5711c4b13c2
sha1 f7ad64882ee96d5e68ed4b1a52d8c166dad67957
sha256 a43bbac32b67fe7fc58911a5e3713821e13419c0dd13d7b15c5cf8ac63c87ddb
sha512 2c8a38aefcd8e0c7b1018c5fba05653fe4ef3ad6baa4e87ea24ad49ee2ac5cebb9683c8bf35e8f4ed7e55adc6dfc5c809c2c929a46f5c96af966ec9cde9224cb
ripemd-160 e663322838285582841fe59e7acf19de8a038d6c

13018905 as geometric shapes

Circle

Radius = n
Diameter 26037810
Circumference 81800192.611567
Area 5.3247446829585E+14

Sphere

Radius = n
Volume 9.2429793568922E+21
Surface area 2.1298978731834E+15
Circumference 81800192.611567

Square

Length = n
Perimeter 52075620
Area 169491887399025
Diagonal 18411512.018247

Cube

Length = n
Surface area 1016951324394150
Volume 2.2065987803186E+21
Space diagonal 22549404.918912

Equilateral Triangle

Length = n
Perimeter 39056715
Area 73392140111464
Altitude 11274702.459456

Triangular Pyramid

Length = n
Surface area 73392140111464
Volume 2.6005016015354E+20
Height 6137170.672749