20391012 (number)

20391012 is an even 8-digits composite number following 20391011 and preceding 20391013. In scientific notation, it is written as 2.0391012 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 6796992 positive integers (up to 20391012) that are relatively prime to 20391012.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-one thousand twelve

Notation

Scientific notation 2.0391012 × 10^7
Engineering notation 2.0391012 × 10^6

Prime Factorization of 20391012

Prime Factorization 2 × 2 × 9 × 566417

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10195506
Product of the distinct prime numbers

The prime factorization of 20391012 is 2 × 2 × 9 × 566417. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20391012)

Multiplication

n×y
n×2 40782024
n×3 61173036
n×4 81564048
n×5 101955060

Division

n÷y
n÷2 10195506
n÷3 6797004
n÷3 5097753
n÷5 4078202.4

Exponentiation

ny
n2 415793370384144
n3 8.4784476050235E+21
n4 1.7288412685541E+29
n5 3.5252823053181E+36

Nth Root

y√n
2√n 4515.6408183114
3√n 273.19930702013
4√n 67.198517977046
5√n 28.965948623621

Divisors of 20391012

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 -20391011
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 20391012 can be divided by 12 positive divisors. The sum of these divisors (counting 20391012) is 1, the average is 0.083333333333333.

Base conversion 20391012

Base System Value
2 Binary 1001101110010010001100100
3 Ternary 1102100222012200
4 Quaternary 1031302101210
5 Quinary 20210003022
6 Senary 2005014500
8 Octal 115622144
10 Decimal 20391012
12 Duodecimal 69b4430
16 Hexadecimal 1372464
20 Vigesimal 678hac
36 Base36 c51t0

Cryptographic Hash Functions

md5 f8df01602642969eeb61c6a95cbac449
sha1 a3658ac34454a5143028a36d5267c8f4e613315f
sha256 78ec667d64e2b2e9e184c207f25c24244a9747bc9df62387ff0e23555e945453
sha512 eba4011ccbac79e8a75e25f5fb3a2801ec931e48fe02687a84b975ebfa3beec65f7d139c90dda78b3618a91f74ff28c5c059008aba40c20d4301f0c7dc456860
ripemd-160 8fb7785d8ec0c81618714cd5e15cba294bdfe36c

20391012 as geometric shapes

Circle

Radius = n
Diameter 40782024
Circumference 128120506.99692
Area 1.3062533978102E+15

Sphere

Radius = n
Volume 3.5514438279717E+22
Surface area 5.2250135912407E+15
Circumference 128120506.99692

Square

Length = n
Perimeter 81564048
Area 415793370384144
Diagonal 28837245.720913

Cube

Length = n
Surface area 2494760222304864
Volume 8.4784476050235E+21
Space diagonal 35318268.801747

Equilateral Triangle

Length = n
Perimeter 61173036
Area 1.8004381073891E+14
Altitude 17659134.400873

Triangular Pyramid

Length = n
Surface area 1.8004381073891E+14
Volume 9.991946325745E+20
Height 9612415.2403042