20512389 (number)

20512389 is an odd 8-digits composite number following 20512388 and preceding 20512390. In scientific notation, it is written as 2.0512389 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 13028928 positive integers (up to 20512389) that are relatively prime to 20512389.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand three hundred eighty-nine

Notation

Scientific notation 2.0512389 × 10^7
Engineering notation 2.0512389 × 10^6

Prime Factorization of 20512389

Prime Factorization 3 × 23 × 373 × 797

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20512389
Product of the distinct prime numbers

The prime factorization of 20512389 is 3 × 23 × 373 × 797. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 44, 11, 420, 501, 4302, 8813, 33489, 20316, 597353, 711135, 3911082, 9584067, 55843811, 16027480, 725005590, 174490042, 6687232612, 7918106726

Basic calculations (n = 20512389)

Multiplication

n×y
n×2 41024778
n×3 61537167
n×4 82049556
n×5 102561945

Division

n÷y
n÷2 10256194.5
n÷3 6837463
n÷3 5128097.25
n÷5 4102477.8

Exponentiation

ny
n2 420758102487321
n3 8.6307538731218E+21
n4 1.7703738080873E+29
n5 3.6314596226898E+36

Nth Root

y√n
2√n 4529.0604986023
3√n 273.74030573873
4√n 67.298294916011
5√n 29.000350630093

Divisors of 20512389

1, 3, 23, 69, 373, 797, 1119, 2391, 8579, 18331, 25737, 54993, 297281, 891843, 6837463, 20512389

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20512388
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20512389 can be divided by 16 positive divisors. The sum of these divisors (counting 20512389) is 1, the average is 0.0625.

Base conversion 20512389

Base System Value
2 Binary 1001110001111111010000101
3 Ternary 1102121010201010
4 Quaternary 1032033322011
5 Quinary 20222344024
6 Senary 2011352433
8 Octal 116177205
10 Decimal 20512389
12 Duodecimal 6a52719
16 Hexadecimal 138fe85
20 Vigesimal 6840j9
36 Base36 c7ngl

Cryptographic Hash Functions

md5 14002c762bceb02a2d13ce60c925603c
sha1 07e2586c8b3a6f3759115f2226e6c137c0f55881
sha256 df03ca914acca273bcd8b2f5e4eee4eb2ede7850e7958454b0d282ce128d30c0
sha512 539f6c84cc9f724f822299d1ab0b00635a85469a157669f8842b0606b713bca36c5bc380a3e19108a847a7ce0db64b6ae63f386f362b46ca7528d0e85d4181ab
ripemd-160 dfbceceb9c961e2fdd696cabd0384f90be97e68e

20512389 as geometric shapes

Circle

Radius = n
Diameter 41024778
Circumference 128883141.17995
Area 1.3218505637125E+15

Sphere

Radius = n
Volume 3.6152417283655E+22
Surface area 5.2874022548502E+15
Circumference 128883141.17995

Square

Length = n
Perimeter 82049556
Area 420758102487321
Diagonal 29008898.720473

Cube

Length = n
Surface area 2524548614923926
Volume 8.6307538731218E+21
Space diagonal 35528499.932617

Equilateral Triangle

Length = n
Perimeter 61537167
Area 1.8219360280108E+14
Altitude 17764249.966308

Triangular Pyramid

Length = n
Surface area 1.8219360280108E+14
Volume 1.0171440984061E+21
Height 9669632.9068242