12805989 (number)

12805989 is an odd 8-digits composite number following 12805988 and preceding 12805990. In scientific notation, it is written as 1.2805989 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 7317696 positive integers (up to 12805989) that are relatively prime to 12805989.

Interesting facts

Basic properties

Name

Name twelve million eight hundred five thousand nine hundred eighty-nine

Notation

Scientific notation 1.2805989 × 10^7
Engineering notation 1.2805989 × 10^6

Prime Factorization of 12805989

Prime Factorization 7 × 3 × 609809

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12805989
Product of the distinct prime numbers

The prime factorization of 12805989 is 7 × 3 × 609809. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12805989)

Multiplication

n×y
n×2 25611978
n×3 38417967
n×4 51223956
n×5 64029945

Division

n÷y
n÷2 6402994.5
n÷3 4268663
n÷3 3201497.25
n÷5 2561197.8

Exponentiation

ny
n2 163993354268121
n3 2.1000970908307E+21
n4 2.6893820244109E+28
n5 3.4440196621404E+35

Nth Root

y√n
2√n 3578.5456543127
3√n 233.95789658144
4√n 59.820946618326
5√n 26.392627294922

Divisors of 12805989

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 -12805988
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 12805989 can be divided by 8 positive divisors. The sum of these divisors (counting 12805989) is 1, the average is 0.125.

Base conversion 12805989

Base System Value
2 Binary 110000110110011101100101
3 Ternary 220002121111220
4 Quaternary 300312131211
5 Quinary 11234242424
6 Senary 1134250553
8 Octal 60663545
10 Decimal 12805989
12 Duodecimal 4356a59
16 Hexadecimal c36765
20 Vigesimal 400ej9
36 Base36 7mh5x

Cryptographic Hash Functions

md5 44be994f52e8c7e5f0171f3d8b7f285f
sha1 b82a3ed3f50d74780e94e8a86c6cb016426bf989
sha256 38ed93996e06dd7100ec43684f2099f80f85169e227e47e34443e278fe29df93
sha512 75a6627faba1e31c7939be1ef614b664220e5e6c2290d9a4052db3f2c32aa28b03b39b1b0739d450fa99356bd9a7e7117f8ca832d5f2ecdb5d5089612010c50d
ripemd-160 c4b73ef1e5056c47f4006ad80f186fd61f02ae8c

12805989 as geometric shapes

Circle

Radius = n
Diameter 25611978
Circumference 80462401.928703
Area 5.1520031700628E+14

Sphere

Radius = n
Volume 8.7968661231719E+21
Surface area 2.0608012680251E+15
Circumference 80462401.928703

Square

Length = n
Perimeter 51223956
Area 163993354268121
Diagonal 18110403.323401

Cube

Length = n
Surface area 983960125608726
Volume 2.1000970908307E+21
Space diagonal 22180623.589168

Equilateral Triangle

Length = n
Perimeter 38417967
Area 71011205424007
Altitude 11090311.794584

Triangular Pyramid

Length = n
Surface area 71011205424007
Volume 2.4749881567942E+20
Height 6036801.1078002