20391013 (number)

20391013 is an odd 8-digits composite number following 20391012 and preceding 20391014. In scientific notation, it is written as 2.0391013 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20192940 positive integers (up to 20391013) that are relatively prime to 20391013.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-one thousand thirteen

Notation

Scientific notation 2.0391013 × 10^7
Engineering notation 2.0391013 × 10^6

Prime Factorization of 20391013

Prime Factorization 103 × 197971

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20391013
Product of the distinct prime numbers

The prime factorization of 20391013 is 103 × 197971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20391013)

Multiplication

n×y
n×2 40782026
n×3 61173039
n×4 81564052
n×5 101955065

Division

n÷y
n÷2 10195506.5
n÷3 6797004.3333333
n÷3 5097753.25
n÷5 4078202.6

Exponentiation

ny
n2 415793411166169
n3 8.4784488524037E+21
n4 1.728841607692E+29
n5 3.5252831697388E+36

Nth Root

y√n
2√n 4515.6409290376
3√n 273.19931148614
4√n 67.19851880092
5√n 28.965948907726

Divisors of 20391013

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 -20391012
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 20391013 can be divided by 4 positive divisors. The sum of these divisors (counting 20391013) is 1, the average is 0.25.

Base conversion 20391013

Base System Value
2 Binary 1001101110010010001100101
3 Ternary 1102100222012201
4 Quaternary 1031302101211
5 Quinary 20210003023
6 Senary 2005014501
8 Octal 115622145
10 Decimal 20391013
12 Duodecimal 69b4431
16 Hexadecimal 1372465
20 Vigesimal 678had
36 Base36 c51t1

Cryptographic Hash Functions

md5 1e4c3263906a79bef5ebba38c85cd076
sha1 9e4c28ca7fe2dc69c1c5555b0f37d3b9b06f73c5
sha256 f062e3ac3a022e3336ab49e140d46548439cd2961efd0fde79a12c2f7a3911f1
sha512 7f0eb821080ffba999f03164ced476169b4156416e7ea3e52e0a414f18defe081c14144d38341a27271326eef28961daaa0b136f717c3f5d7d50d73ee1e28093
ripemd-160 3b50aefd3c1ce083bf580446e2129f0e82e66e76

20391013 as geometric shapes

Circle

Radius = n
Diameter 40782026
Circumference 128120513.28011
Area 1.3062535259307E+15

Sphere

Radius = n
Volume 3.5514443504731E+22
Surface area 5.2250141037227E+15
Circumference 128120513.28011

Square

Length = n
Perimeter 81564052
Area 415793411166169
Diagonal 28837247.135126

Cube

Length = n
Surface area 2494760466997014
Volume 8.4784488524037E+21
Space diagonal 35318270.533797

Equilateral Triangle

Length = n
Perimeter 61173039
Area 1.8004382839805E+14
Altitude 17659135.266899

Triangular Pyramid

Length = n
Surface area 1.8004382839805E+14
Volume 9.9919477957966E+20
Height 9612415.7117087