20391321 (number)

20391321 is an odd 8-digits composite number following 20391320 and preceding 20391322. In scientific notation, it is written as 2.0391321 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13125392 positive integers (up to 20391321) that are relatively prime to 20391321.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-one thousand three hundred twenty-one

Notation

Scientific notation 2.0391321 × 10^7
Engineering notation 2.0391321 × 10^6

Prime Factorization of 20391321

Prime Factorization 3 × 29 × 234383

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20391321
Product of the distinct prime numbers

The prime factorization of 20391321 is 3 × 29 × 234383. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20391321)

Multiplication

n×y
n×2 40782642
n×3 61173963
n×4 81565284
n×5 101956605

Division

n÷y
n÷2 10195660.5
n÷3 6797107
n÷3 5097830.25
n÷5 4078264.2

Exponentiation

ny
n2 415805972125041
n3 8.4788330513188E+21
n4 1.7289460645485E+29
n5 3.5255494193895E+36

Nth Root

y√n
2√n 4515.6750325948
3√n 273.20068700983
4√n 67.198772552739
5√n 28.966036411553

Divisors of 20391321

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 -20391320
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 20391321 can be divided by 8 positive divisors. The sum of these divisors (counting 20391321) is 1, the average is 0.125.

Base conversion 20391321

Base System Value
2 Binary 1001101110010010110011001
3 Ternary 1102100222122010
4 Quaternary 1031302112121
5 Quinary 20210010241
6 Senary 2005020133
8 Octal 115622631
10 Decimal 20391321
12 Duodecimal 69b4649
16 Hexadecimal 1372599
20 Vigesimal 678i61
36 Base36 c521l

Cryptographic Hash Functions

md5 883cc69c678a34ed5cc66ac017e33f64
sha1 eabbf173d7d558ffeb17d61e5d6daf93366c8f23
sha256 9937fa3a50122e7f1e82e206256174a7f19b88f8e5b1a9fa90da67ebd2948fa4
sha512 8b662177dad50ca3cde28726a1e5e2e1c6df8a9dc1e745623ecefed7cffb200e7edc7caa7e186e2880680ceb3380a438827cd63d8a37ab3cc6732998f056d184
ripemd-160 3caa686632774bf503c9bbf010e998cc4606d03d

20391321 as geometric shapes

Circle

Radius = n
Diameter 40782642
Circumference 128122448.50118
Area 1.3062929873468E+15

Sphere

Radius = n
Volume 3.5516052833383E+22
Surface area 5.2251719493872E+15
Circumference 128122448.50118

Square

Length = n
Perimeter 81565284
Area 415805972125041
Diagonal 28837682.712903

Cube

Length = n
Surface area 2494835832750246
Volume 8.4788330513188E+21
Space diagonal 35318804.005446

Equilateral Triangle

Length = n
Perimeter 61173963
Area 1.8004926745278E+14
Altitude 17659402.002723

Triangular Pyramid

Length = n
Surface area 1.8004926745278E+14
Volume 9.9924005785602E+20
Height 9612560.9043011