13012905 (number)

13012905 is an odd 8-digits composite number following 13012904 and preceding 13012906. In scientific notation, it is written as 1.3012905 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 6531840 positive integers (up to 13012905) that are relatively prime to 13012905.

Interesting facts

Basic properties

Name

Name thirteen million twelve thousand nine hundred five

Notation

Scientific notation 1.3012905 × 10^7
Engineering notation 1.3012905 × 10^6

Prime Factorization of 13012905

Prime Factorization 85 × 3 × 51031

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 13012905
Product of the distinct prime numbers

The prime factorization of 13012905 is 85 × 3 × 51031. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13012905)

Multiplication

n×y
n×2 26025810
n×3 39038715
n×4 52051620
n×5 65064525

Division

n÷y
n÷2 6506452.5
n÷3 4337635
n÷3 3253226.25
n÷5 2602581

Exponentiation

ny
n2 169335696539025
n3 2.2035493321712E+21
n4 2.8674578122357E+28
n5 3.7313956102131E+35

Nth Root

y√n
2√n 3607.3404330615
3√n 235.21124810268
4√n 60.061139125573
5√n 26.47737045471

Divisors of 13012905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -13012904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 13012905 can be divided by 8 positive divisors. The sum of these divisors (counting 13012905) is 1, the average is 0.125.

Base conversion 13012905

Base System Value
2 Binary 110001101000111110101001
3 Ternary 220111010100110
4 Quaternary 301220332221
5 Quinary 11312403110
6 Senary 1142524533
8 Octal 61507651
10 Decimal 13012905
12 Duodecimal 4436749
16 Hexadecimal c68fa9
20 Vigesimal 416c55
36 Base36 7qwtl

Cryptographic Hash Functions

md5 a6d69eb1ca7fc1804f7855591e6caef6
sha1 a4dccbbb4f788978bec3fd12a093a408aa8b340f
sha256 efbaa952e0392c4686f1542020963bc9df2fde21dbc10a90dc498a48527e9d1f
sha512 a71d1feb016f883aa6baba29563e1b852197997195ee83a6377d11c636d7a25edd0e93233a29350902c350934f90dfb12d781041ad18a84c238ee54df3f22d32
ripemd-160 975bda8b267f28b1ce7ab3d49704aa4b5b182b67

13012905 as geometric shapes

Circle

Radius = n
Diameter 26025810
Circumference 81762493.499724
Area 5.3198378023751E+14

Sphere

Radius = n
Volume 9.2302058583622E+21
Surface area 2.12793512095E+15
Circumference 81762493.499724

Square

Length = n
Perimeter 52051620
Area 169335696539025
Diagonal 18403026.736873

Cube

Length = n
Surface area 1016014179234150
Volume 2.2035493321712E+21
Space diagonal 22539012.614067

Equilateral Triangle

Length = n
Perimeter 39038715
Area 73324507485164
Altitude 11269506.307034

Triangular Pyramid

Length = n
Surface area 73324507485164
Volume 2.5969077924289E+20
Height 6134342.2456242